From b29dfea9e09d6852caf78eacdc45a7feb0c79370 Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot <yoshi-automation@google.com>
Date: Wed, 5 May 2021 08:54:03 -0700
Subject: [PATCH] feat: Expose supported languages of the agent (#205)

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PiperOrigin-RevId: 370928139
Source-Link: https://github.com/googleapis/googleapis/commit/0fa726c5d8e4b8442f49974abc875db1af432316
PiperOrigin-RevId: 370860251
Source-Link: https://github.com/googleapis/googleapis/commit/ef119e7aa2eee147ecf854e5154c93351ed7de25

feat: add export / import flow API
docs: Update docs on Pages, Session, Version, etc.
---
 .../cloud/dialogflow/cx/v3/AgentsClient.java  |    9 +
 .../cloud/dialogflow/cx/v3/FlowsClient.java   |  155 ++
 .../cloud/dialogflow/cx/v3/FlowsSettings.java |   44 +
 .../dialogflow/cx/v3/VersionsClient.java      |   14 +-
 .../dialogflow/cx/v3/gapic_metadata.json      |    6 +
 .../dialogflow/cx/v3/stub/FlowsStub.java      |   22 +
 .../cx/v3/stub/FlowsStubSettings.java         |  140 +-
 .../dialogflow/cx/v3/stub/GrpcFlowsStub.java  |   92 ++
 .../dialogflow/cx/v3beta1/AgentsClient.java   |    9 +
 .../dialogflow/cx/v3beta1/FlowsClient.java    |  155 ++
 .../dialogflow/cx/v3beta1/FlowsSettings.java  |   44 +
 .../dialogflow/cx/v3beta1/VersionsClient.java |   14 +-
 .../dialogflow/cx/v3beta1/gapic_metadata.json |    6 +
 .../dialogflow/cx/v3beta1/stub/FlowsStub.java |   22 +
 .../cx/v3beta1/stub/FlowsStubSettings.java    |  140 +-
 .../cx/v3beta1/stub/GrpcFlowsStub.java        |   92 ++
 .../dialogflow/cx/v3/AgentsClientTest.java    |   12 +
 .../dialogflow/cx/v3/FlowsClientTest.java     |  111 ++
 .../cloud/dialogflow/cx/v3/MockFlowsImpl.java |   40 +
 .../cx/v3beta1/AgentsClientTest.java          |   12 +
 .../cx/v3beta1/FlowsClientTest.java           |  111 ++
 .../dialogflow/cx/v3beta1/MockFlowsImpl.java  |   40 +
 .../cloud/dialogflow/cx/v3/FlowsGrpc.java     |  224 +++
 .../cloud/dialogflow/cx/v3/SessionsGrpc.java  |   65 +-
 .../cloud/dialogflow/cx/v3/VersionsGrpc.java  |    8 +-
 .../dialogflow/cx/v3beta1/FlowsGrpc.java      |  230 +++
 .../dialogflow/cx/v3beta1/SessionsGrpc.java   |   65 +-
 .../dialogflow/cx/v3beta1/VersionsGrpc.java   |    8 +-
 .../google/cloud/dialogflow/cx/v3/Agent.java  |  296 ++++
 .../dialogflow/cx/v3/AgentOrBuilder.java      |   55 +
 .../cloud/dialogflow/cx/v3/AgentProto.java    |  223 +--
 .../cloud/dialogflow/cx/v3/AudioInput.java    |   20 +-
 .../dialogflow/cx/v3/AudioInputOrBuilder.java |    5 +-
 .../dialogflow/cx/v3/CreateFlowRequest.java   |   14 +
 .../cx/v3/CreateFlowRequestOrBuilder.java     |    4 +
 .../dialogflow/cx/v3/CreatePageRequest.java   |   70 +-
 .../cx/v3/CreatePageRequestOrBuilder.java     |   20 +-
 .../v3/CreateTransitionRouteGroupRequest.java |   49 +-
 ...eTransitionRouteGroupRequestOrBuilder.java |   14 +-
 .../cx/v3/DetectIntentResponse.java           |   24 +-
 .../cx/v3/DetectIntentResponseOrBuilder.java  |    6 +-
 .../cloud/dialogflow/cx/v3/Experiment.java    |   18 +-
 .../dialogflow/cx/v3/ExportAgentRequest.java  |  207 +++
 .../cx/v3/ExportAgentRequestOrBuilder.java    |   33 +
 .../dialogflow/cx/v3/ExportFlowRequest.java   |  954 +++++++++++
 .../cx/v3/ExportFlowRequestOrBuilder.java     |  102 ++
 .../dialogflow/cx/v3/ExportFlowResponse.java  |  914 +++++++++++
 .../cx/v3/ExportFlowResponseOrBuilder.java    |   92 ++
 .../cloud/dialogflow/cx/v3/FlowProto.java     |  165 +-
 .../cx/v3/FulfillIntentResponse.java          |   24 +-
 .../cx/v3/FulfillIntentResponseOrBuilder.java |    6 +-
 .../dialogflow/cx/v3/GetFlowRequest.java      |   14 +
 .../cx/v3/GetFlowRequestOrBuilder.java        |    4 +
 .../dialogflow/cx/v3/GetPageRequest.java      |   70 +-
 .../cx/v3/GetPageRequestOrBuilder.java        |   20 +-
 .../cx/v3/GetTransitionRouteGroupRequest.java |   56 +-
 ...tTransitionRouteGroupRequestOrBuilder.java |   16 +-
 .../dialogflow/cx/v3/ImportFlowRequest.java   | 1452 ++++++++++++++++
 .../cx/v3/ImportFlowRequestOrBuilder.java     |  151 ++
 .../dialogflow/cx/v3/ImportFlowResponse.java  |  650 ++++++++
 .../cx/v3/ImportFlowResponseOrBuilder.java    |   54 +
 .../dialogflow/cx/v3/ListFlowsRequest.java    |   14 +
 .../cx/v3/ListFlowsRequestOrBuilder.java      |    4 +
 .../dialogflow/cx/v3/ListPagesRequest.java    |   70 +-
 .../cx/v3/ListPagesRequestOrBuilder.java      |   20 +-
 .../v3/ListTransitionRouteGroupsRequest.java  |   56 +-
 ...TransitionRouteGroupsRequestOrBuilder.java |   16 +-
 .../dialogflow/cx/v3/LoadVersionRequest.java  |   46 +-
 .../cx/v3/LoadVersionRequestOrBuilder.java    |   12 +-
 .../google/cloud/dialogflow/cx/v3/Match.java  |   84 +-
 .../dialogflow/cx/v3/MatchIntentResponse.java |  213 +--
 .../cx/v3/MatchIntentResponseOrBuilder.java   |   66 +-
 .../dialogflow/cx/v3/MatchOrBuilder.java      |   21 +-
 .../dialogflow/cx/v3/QueryParameters.java     |  230 ++-
 .../cx/v3/QueryParametersOrBuilder.java       |   61 +-
 .../cloud/dialogflow/cx/v3/QueryResult.java   |  536 +++---
 .../cx/v3/QueryResultOrBuilder.java           |  143 +-
 .../cloud/dialogflow/cx/v3/SessionProto.java  |   30 +-
 .../cx/v3/StreamingDetectIntentRequest.java   |   54 +-
 .../cx/v3/StreamingDetectIntentResponse.java  |   14 +-
 .../cx/v3/StreamingRecognitionResult.java     |   77 +-
 .../StreamingRecognitionResultOrBuilder.java  |   15 +-
 .../cloud/dialogflow/cx/v3/TextInput.java     |   28 +-
 .../dialogflow/cx/v3/TextInputOrBuilder.java  |    8 +-
 .../dialogflow/cx/v3/UpdateFlowRequest.java   |   14 +
 .../cx/v3/UpdateFlowRequestOrBuilder.java     |    4 +
 .../dialogflow/cx/v3/UpdatePageRequest.java   |   70 +-
 .../cx/v3/UpdatePageRequestOrBuilder.java     |   20 +-
 .../v3/UpdateTransitionRouteGroupRequest.java |   49 +-
 ...eTransitionRouteGroupRequestOrBuilder.java |   14 +-
 .../google/cloud/dialogflow/cx/v3/agent.proto |   15 +
 .../cloud/dialogflow/cx/v3/experiment.proto   |    2 +-
 .../google/cloud/dialogflow/cx/v3/flow.proto  |  122 ++
 .../google/cloud/dialogflow/cx/v3/page.proto  |   40 +-
 .../cloud/dialogflow/cx/v3/session.proto      |  202 ++-
 .../cx/v3/transition_route_group.proto        |   35 +-
 .../cloud/dialogflow/cx/v3/version.proto      |   12 +-
 .../cloud/dialogflow/cx/v3beta1/Agent.java    |  296 ++++
 .../dialogflow/cx/v3beta1/AgentOrBuilder.java |   55 +
 .../dialogflow/cx/v3beta1/AgentProto.java     |  218 +--
 .../dialogflow/cx/v3beta1/AudioInput.java     |   20 +-
 .../cx/v3beta1/AudioInputOrBuilder.java       |    5 +-
 .../cx/v3beta1/CreateFlowRequest.java         |   14 +
 .../v3beta1/CreateFlowRequestOrBuilder.java   |    4 +
 .../cx/v3beta1/CreatePageRequest.java         |   70 +-
 .../v3beta1/CreatePageRequestOrBuilder.java   |   20 +-
 .../CreateTransitionRouteGroupRequest.java    |   49 +-
 ...eTransitionRouteGroupRequestOrBuilder.java |   14 +-
 .../cx/v3beta1/DetectIntentResponse.java      |   24 +-
 .../DetectIntentResponseOrBuilder.java        |    6 +-
 .../dialogflow/cx/v3beta1/Experiment.java     |   18 +-
 .../cx/v3beta1/ExportAgentRequest.java        |  207 +++
 .../v3beta1/ExportAgentRequestOrBuilder.java  |   33 +
 .../cx/v3beta1/ExportFlowRequest.java         |  955 +++++++++++
 .../v3beta1/ExportFlowRequestOrBuilder.java   |  102 ++
 .../cx/v3beta1/ExportFlowResponse.java        |  915 +++++++++++
 .../v3beta1/ExportFlowResponseOrBuilder.java  |   92 ++
 .../dialogflow/cx/v3beta1/FlowProto.java      |  170 +-
 .../cx/v3beta1/FulfillIntentResponse.java     |   24 +-
 .../FulfillIntentResponseOrBuilder.java       |    6 +-
 .../dialogflow/cx/v3beta1/GetFlowRequest.java |   14 +
 .../cx/v3beta1/GetFlowRequestOrBuilder.java   |    4 +
 .../dialogflow/cx/v3beta1/GetPageRequest.java |   70 +-
 .../cx/v3beta1/GetPageRequestOrBuilder.java   |   20 +-
 .../GetTransitionRouteGroupRequest.java       |   56 +-
 ...tTransitionRouteGroupRequestOrBuilder.java |   16 +-
 .../cx/v3beta1/ImportFlowRequest.java         | 1462 +++++++++++++++++
 .../v3beta1/ImportFlowRequestOrBuilder.java   |  153 ++
 .../cx/v3beta1/ImportFlowResponse.java        |  651 ++++++++
 .../v3beta1/ImportFlowResponseOrBuilder.java  |   54 +
 .../cx/v3beta1/ListFlowsRequest.java          |   14 +
 .../cx/v3beta1/ListFlowsRequestOrBuilder.java |    4 +
 .../cx/v3beta1/ListPagesRequest.java          |   70 +-
 .../cx/v3beta1/ListPagesRequestOrBuilder.java |   20 +-
 .../ListTransitionRouteGroupsRequest.java     |   56 +-
 ...TransitionRouteGroupsRequestOrBuilder.java |   16 +-
 .../cx/v3beta1/LoadVersionRequest.java        |   46 +-
 .../v3beta1/LoadVersionRequestOrBuilder.java  |   12 +-
 .../cloud/dialogflow/cx/v3beta1/Match.java    |   84 +-
 .../cx/v3beta1/MatchIntentResponse.java       |  249 +--
 .../v3beta1/MatchIntentResponseOrBuilder.java |   78 +-
 .../dialogflow/cx/v3beta1/MatchOrBuilder.java |   21 +-
 .../cx/v3beta1/QueryParameters.java           |  209 ++-
 .../cx/v3beta1/QueryParametersOrBuilder.java  |   55 +-
 .../dialogflow/cx/v3beta1/QueryResult.java    |  572 ++++---
 .../cx/v3beta1/QueryResultOrBuilder.java      |  155 +-
 .../dialogflow/cx/v3beta1/SessionProto.java   |   32 +-
 .../v3beta1/StreamingDetectIntentRequest.java |   54 +-
 .../StreamingDetectIntentResponse.java        |   14 +-
 .../v3beta1/StreamingRecognitionResult.java   |   77 +-
 .../StreamingRecognitionResultOrBuilder.java  |   15 +-
 .../dialogflow/cx/v3beta1/TextInput.java      |   28 +-
 .../cx/v3beta1/TextInputOrBuilder.java        |    8 +-
 .../cx/v3beta1/UpdateFlowRequest.java         |   14 +
 .../v3beta1/UpdateFlowRequestOrBuilder.java   |    4 +
 .../cx/v3beta1/UpdatePageRequest.java         |   70 +-
 .../v3beta1/UpdatePageRequestOrBuilder.java   |   20 +-
 .../UpdateTransitionRouteGroupRequest.java    |   49 +-
 ...eTransitionRouteGroupRequestOrBuilder.java |   14 +-
 .../cloud/dialogflow/cx/v3beta1/agent.proto   |   14 +
 .../dialogflow/cx/v3beta1/experiment.proto    |    2 +-
 .../cloud/dialogflow/cx/v3beta1/flow.proto    |  122 ++
 .../cloud/dialogflow/cx/v3beta1/page.proto    |   40 +-
 .../cloud/dialogflow/cx/v3beta1/session.proto |  207 ++-
 .../cx/v3beta1/transition_route_group.proto   |   34 +-
 .../cloud/dialogflow/cx/v3beta1/version.proto |   12 +-
 synth.metadata                                |   24 +-
 167 files changed, 16113 insertions(+), 2328 deletions(-)
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequest.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequestOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponse.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponseOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequest.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequestOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponse.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponseOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequest.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequestOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponse.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponseOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequest.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequestOrBuilder.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponse.java
 create mode 100644 proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponseOrBuilder.java

diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
index 00e1ebacf..9ea9ad2b2 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
@@ -661,6 +661,9 @@ public final UnaryCallable<DeleteAgentRequest, Empty> deleteAgentCallable() {
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   ExportAgentResponse response = agentsClient.exportAgentAsync(request).get();
    * }
@@ -686,6 +689,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   OperationFuture<ExportAgentResponse, Struct> future =
    *       agentsClient.exportAgentOperationCallable().futureCall(request);
@@ -711,6 +717,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   ApiFuture<Operation> future = agentsClient.exportAgentCallable().futureCall(request);
    *   // Do something.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
index b9f3cac61..fb56c65c4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
@@ -934,6 +934,161 @@ public final FlowValidationResult getFlowValidationResult(
     return stub.getFlowValidationResultCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   ImportFlowResponse response = flowsClient.importFlowAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
+      ImportFlowRequest request) {
+    return importFlowOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   OperationFuture<ImportFlowResponse, Struct> future =
+   *       flowsClient.importFlowOperationCallable().futureCall(request);
+   *   // Do something.
+   *   ImportFlowResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    return stub.importFlowOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   ApiFuture<Operation> future = flowsClient.importFlowCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    return stub.importFlowCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   ExportFlowResponse response = flowsClient.exportFlowAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
+      ExportFlowRequest request) {
+    return exportFlowOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   OperationFuture<ExportFlowResponse, Struct> future =
+   *       flowsClient.exportFlowOperationCallable().futureCall(request);
+   *   // Do something.
+   *   ExportFlowResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    return stub.exportFlowOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   ApiFuture<Operation> future = flowsClient.exportFlowCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    return stub.exportFlowCallable();
+  }
+
   @Override
   public final void close() {
     stub.close();
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
index bb3eceaa4..58ed6f0ef 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
@@ -119,6 +119,28 @@ public UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlow
     return ((FlowsStubSettings) getStubSettings()).getFlowValidationResultSettings();
   }
 
+  /** Returns the object with the settings used for calls to importFlow. */
+  public UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings() {
+    return ((FlowsStubSettings) getStubSettings()).importFlowSettings();
+  }
+
+  /** Returns the object with the settings used for calls to importFlow. */
+  public OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings() {
+    return ((FlowsStubSettings) getStubSettings()).importFlowOperationSettings();
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings() {
+    return ((FlowsStubSettings) getStubSettings()).exportFlowSettings();
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings() {
+    return ((FlowsStubSettings) getStubSettings()).exportFlowOperationSettings();
+  }
+
   public static final FlowsSettings create(FlowsStubSettings stub) throws IOException {
     return new FlowsSettings.Builder(stub.toBuilder()).build();
   }
@@ -265,6 +287,28 @@ public UnaryCallSettings.Builder<TrainFlowRequest, Operation> trainFlowSettings(
       return getStubSettingsBuilder().getFlowValidationResultSettings();
     }
 
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings() {
+      return getStubSettingsBuilder().importFlowSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings() {
+      return getStubSettingsBuilder().importFlowOperationSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings() {
+      return getStubSettingsBuilder().exportFlowSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings() {
+      return getStubSettingsBuilder().exportFlowOperationSettings();
+    }
+
     @Override
     public FlowsSettings build() throws IOException {
       return new FlowsSettings(this);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
index e0d558a6f..6f5a60d26 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
@@ -723,7 +723,7 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -736,7 +736,7 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
    * }</pre>
    *
    * @param name Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to
-   *     draft version. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   *     draft flow. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
    *     ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -748,7 +748,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -761,7 +761,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
    * }</pre>
    *
    * @param name Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to
-   *     draft version. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   *     draft flow. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
    *     ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -772,7 +772,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(String name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -798,7 +798,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(LoadVersionRequest
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -824,7 +824,7 @@ public final OperationCallable<LoadVersionRequest, Empty, Struct> loadVersionOpe
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/gapic_metadata.json b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/gapic_metadata.json
index 0f9015bdc..0f02c3f2c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/gapic_metadata.json
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/gapic_metadata.json
@@ -133,12 +133,18 @@
             "DeleteFlow": {
               "methods": ["deleteFlow", "deleteFlow", "deleteFlow", "deleteFlowCallable"]
             },
+            "ExportFlow": {
+              "methods": ["exportFlowAsync", "exportFlowOperationCallable", "exportFlowCallable"]
+            },
             "GetFlow": {
               "methods": ["getFlow", "getFlow", "getFlow", "getFlowCallable"]
             },
             "GetFlowValidationResult": {
               "methods": ["getFlowValidationResult", "getFlowValidationResult", "getFlowValidationResult", "getFlowValidationResultCallable"]
             },
+            "ImportFlow": {
+              "methods": ["importFlowAsync", "importFlowOperationCallable", "importFlowCallable"]
+            },
             "ListFlows": {
               "methods": ["listFlows", "listFlows", "listFlows", "listFlowsPagedCallable", "listFlowsCallable"]
             },
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
index c9101ff7c..df49aab9b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
@@ -23,10 +23,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.Flow;
 import com.google.cloud.dialogflow.cx.v3.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3.TrainFlowRequest;
@@ -92,6 +96,24 @@ public UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCall
     throw new UnsupportedOperationException("Not implemented: getFlowValidationResultCallable()");
   }
 
+  public OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: importFlowOperationCallable()");
+  }
+
+  public UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    throw new UnsupportedOperationException("Not implemented: importFlowCallable()");
+  }
+
+  public OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: exportFlowOperationCallable()");
+  }
+
+  public UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    throw new UnsupportedOperationException("Not implemented: exportFlowCallable()");
+  }
+
   @Override
   public abstract void close();
 }
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
index 666c70776..ec88ab327 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
@@ -46,10 +46,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.Flow;
 import com.google.cloud.dialogflow.cx.v3.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3.TrainFlowRequest;
@@ -118,6 +122,12 @@ public class FlowsStubSettings extends StubSettings<FlowsStubSettings> {
   private final UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlowSettings;
   private final UnaryCallSettings<GetFlowValidationResultRequest, FlowValidationResult>
       getFlowValidationResultSettings;
+  private final UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings;
+  private final OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings;
+  private final UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings;
+  private final OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings;
 
   private static final PagedListDescriptor<ListFlowsRequest, ListFlowsResponse, Flow>
       LIST_FLOWS_PAGE_STR_DESC =
@@ -219,6 +229,28 @@ public UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlow
     return getFlowValidationResultSettings;
   }
 
+  /** Returns the object with the settings used for calls to importFlow. */
+  public UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings() {
+    return importFlowSettings;
+  }
+
+  /** Returns the object with the settings used for calls to importFlow. */
+  public OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings() {
+    return importFlowOperationSettings;
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings() {
+    return exportFlowSettings;
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings() {
+    return exportFlowOperationSettings;
+  }
+
   @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public FlowsStub createStub() throws IOException {
     if (getTransportChannelProvider()
@@ -296,6 +328,10 @@ protected FlowsStubSettings(Builder settingsBuilder) throws IOException {
     trainFlowOperationSettings = settingsBuilder.trainFlowOperationSettings().build();
     validateFlowSettings = settingsBuilder.validateFlowSettings().build();
     getFlowValidationResultSettings = settingsBuilder.getFlowValidationResultSettings().build();
+    importFlowSettings = settingsBuilder.importFlowSettings().build();
+    importFlowOperationSettings = settingsBuilder.importFlowOperationSettings().build();
+    exportFlowSettings = settingsBuilder.exportFlowSettings().build();
+    exportFlowOperationSettings = settingsBuilder.exportFlowOperationSettings().build();
   }
 
   /** Builder for FlowsStubSettings. */
@@ -315,6 +351,12 @@ public static class Builder extends StubSettings.Builder<FlowsStubSettings, Buil
         validateFlowSettings;
     private final UnaryCallSettings.Builder<GetFlowValidationResultRequest, FlowValidationResult>
         getFlowValidationResultSettings;
+    private final UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings;
+    private final OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings;
+    private final UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings;
+    private final OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings;
     private static final ImmutableMap<String, ImmutableSet<StatusCode.Code>>
         RETRYABLE_CODE_DEFINITIONS;
 
@@ -362,6 +404,10 @@ protected Builder(ClientContext clientContext) {
       trainFlowOperationSettings = OperationCallSettings.newBuilder();
       validateFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       getFlowValidationResultSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      importFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      importFlowOperationSettings = OperationCallSettings.newBuilder();
+      exportFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      exportFlowOperationSettings = OperationCallSettings.newBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -372,7 +418,9 @@ protected Builder(ClientContext clientContext) {
               updateFlowSettings,
               trainFlowSettings,
               validateFlowSettings,
-              getFlowValidationResultSettings);
+              getFlowValidationResultSettings,
+              importFlowSettings,
+              exportFlowSettings);
       initDefaults(this);
     }
 
@@ -388,6 +436,10 @@ protected Builder(FlowsStubSettings settings) {
       trainFlowOperationSettings = settings.trainFlowOperationSettings.toBuilder();
       validateFlowSettings = settings.validateFlowSettings.toBuilder();
       getFlowValidationResultSettings = settings.getFlowValidationResultSettings.toBuilder();
+      importFlowSettings = settings.importFlowSettings.toBuilder();
+      importFlowOperationSettings = settings.importFlowOperationSettings.toBuilder();
+      exportFlowSettings = settings.exportFlowSettings.toBuilder();
+      exportFlowOperationSettings = settings.exportFlowOperationSettings.toBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -398,7 +450,9 @@ protected Builder(FlowsStubSettings settings) {
               updateFlowSettings,
               trainFlowSettings,
               validateFlowSettings,
-              getFlowValidationResultSettings);
+              getFlowValidationResultSettings,
+              importFlowSettings,
+              exportFlowSettings);
     }
 
     private static Builder createDefault() {
@@ -453,6 +507,16 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .importFlowSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .exportFlowSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       builder
           .trainFlowOperationSettings()
           .setInitialCallSettings(
@@ -476,6 +540,52 @@ private static Builder initDefaults(Builder builder) {
                       .setTotalTimeout(Duration.ofMillis(300000L))
                       .build()));
 
+      builder
+          .importFlowOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings.<ImportFlowRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(ImportFlowResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(Struct.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
+      builder
+          .exportFlowOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings.<ExportFlowRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(ExportFlowResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(Struct.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
       return builder;
     }
 
@@ -546,6 +656,32 @@ public UnaryCallSettings.Builder<TrainFlowRequest, Operation> trainFlowSettings(
       return getFlowValidationResultSettings;
     }
 
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings() {
+      return importFlowSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to importFlow. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings() {
+      return importFlowOperationSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings() {
+      return exportFlowSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings() {
+      return exportFlowOperationSettings;
+    }
+
     @Override
     public FlowsStubSettings build() throws IOException {
       return new FlowsStubSettings(this);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
index 5bba73ea7..2d1b4919e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
@@ -28,10 +28,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.Flow;
 import com.google.cloud.dialogflow.cx.v3.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3.TrainFlowRequest;
@@ -127,6 +131,22 @@ public class GrpcFlowsStub extends FlowsStub {
                   ProtoUtils.marshaller(FlowValidationResult.getDefaultInstance()))
               .build();
 
+  private static final MethodDescriptor<ImportFlowRequest, Operation> importFlowMethodDescriptor =
+      MethodDescriptor.<ImportFlowRequest, Operation>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.cloud.dialogflow.cx.v3.Flows/ImportFlow")
+          .setRequestMarshaller(ProtoUtils.marshaller(ImportFlowRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .build();
+
+  private static final MethodDescriptor<ExportFlowRequest, Operation> exportFlowMethodDescriptor =
+      MethodDescriptor.<ExportFlowRequest, Operation>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.cloud.dialogflow.cx.v3.Flows/ExportFlow")
+          .setRequestMarshaller(ProtoUtils.marshaller(ExportFlowRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .build();
+
   private final UnaryCallable<CreateFlowRequest, Flow> createFlowCallable;
   private final UnaryCallable<DeleteFlowRequest, Empty> deleteFlowCallable;
   private final UnaryCallable<ListFlowsRequest, ListFlowsResponse> listFlowsCallable;
@@ -138,6 +158,12 @@ public class GrpcFlowsStub extends FlowsStub {
   private final UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCallable;
   private final UnaryCallable<GetFlowValidationResultRequest, FlowValidationResult>
       getFlowValidationResultCallable;
+  private final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable;
+  private final OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable;
+  private final UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable;
+  private final OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable;
 
   private final BackgroundResource backgroundResources;
   private final GrpcOperationsStub operationsStub;
@@ -283,6 +309,32 @@ public Map<String, String> extract(GetFlowValidationResultRequest request) {
                       }
                     })
                 .build();
+    GrpcCallSettings<ImportFlowRequest, Operation> importFlowTransportSettings =
+        GrpcCallSettings.<ImportFlowRequest, Operation>newBuilder()
+            .setMethodDescriptor(importFlowMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ImportFlowRequest>() {
+                  @Override
+                  public Map<String, String> extract(ImportFlowRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
+            .build();
+    GrpcCallSettings<ExportFlowRequest, Operation> exportFlowTransportSettings =
+        GrpcCallSettings.<ExportFlowRequest, Operation>newBuilder()
+            .setMethodDescriptor(exportFlowMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ExportFlowRequest>() {
+                  @Override
+                  public Map<String, String> extract(ExportFlowRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
+            .build();
 
     this.createFlowCallable =
         callableFactory.createUnaryCallable(
@@ -319,6 +371,24 @@ public Map<String, String> extract(GetFlowValidationResultRequest request) {
             getFlowValidationResultTransportSettings,
             settings.getFlowValidationResultSettings(),
             clientContext);
+    this.importFlowCallable =
+        callableFactory.createUnaryCallable(
+            importFlowTransportSettings, settings.importFlowSettings(), clientContext);
+    this.importFlowOperationCallable =
+        callableFactory.createOperationCallable(
+            importFlowTransportSettings,
+            settings.importFlowOperationSettings(),
+            clientContext,
+            operationsStub);
+    this.exportFlowCallable =
+        callableFactory.createUnaryCallable(
+            exportFlowTransportSettings, settings.exportFlowSettings(), clientContext);
+    this.exportFlowOperationCallable =
+        callableFactory.createOperationCallable(
+            exportFlowTransportSettings,
+            settings.exportFlowOperationSettings(),
+            clientContext,
+            operationsStub);
 
     this.backgroundResources =
         new BackgroundResourceAggregation(clientContext.getBackgroundResources());
@@ -379,6 +449,28 @@ public UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCall
     return getFlowValidationResultCallable;
   }
 
+  @Override
+  public UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    return importFlowCallable;
+  }
+
+  @Override
+  public OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    return importFlowOperationCallable;
+  }
+
+  @Override
+  public UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    return exportFlowCallable;
+  }
+
+  @Override
+  public OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    return exportFlowOperationCallable;
+  }
+
   @Override
   public final void close() {
     shutdown();
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
index e8a78d4e4..a5b0ffe1b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
@@ -662,6 +662,9 @@ public final UnaryCallable<DeleteAgentRequest, Empty> deleteAgentCallable() {
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   ExportAgentResponse response = agentsClient.exportAgentAsync(request).get();
    * }
@@ -687,6 +690,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   OperationFuture<ExportAgentResponse, Struct> future =
    *       agentsClient.exportAgentOperationCallable().futureCall(request);
@@ -712,6 +718,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    *       ExportAgentRequest.newBuilder()
    *           .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
    *           .setAgentUri("agentUri1469149223")
+   *           .setEnvironment(
+   *               EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+   *                   .toString())
    *           .build();
    *   ApiFuture<Operation> future = agentsClient.exportAgentCallable().futureCall(request);
    *   // Do something.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
index 0b7d3a44f..4f408a91e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
@@ -935,6 +935,161 @@ public final FlowValidationResult getFlowValidationResult(
     return stub.getFlowValidationResultCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   ImportFlowResponse response = flowsClient.importFlowAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
+      ImportFlowRequest request) {
+    return importFlowOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   OperationFuture<ImportFlowResponse, Struct> future =
+   *       flowsClient.importFlowOperationCallable().futureCall(request);
+   *   // Do something.
+   *   ImportFlowResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    return stub.importFlowOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Imports the specified flow to the specified agent from a binary file.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ImportFlowRequest request =
+   *       ImportFlowRequest.newBuilder()
+   *           .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .build();
+   *   ApiFuture<Operation> future = flowsClient.importFlowCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    return stub.importFlowCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   ExportFlowResponse response = flowsClient.exportFlowAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
+      ExportFlowRequest request) {
+    return exportFlowOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   OperationFuture<ExportFlowResponse, Struct> future =
+   *       flowsClient.exportFlowOperationCallable().futureCall(request);
+   *   // Do something.
+   *   ExportFlowResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    return stub.exportFlowOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Exports the specified flow to a binary file.
+   *
+   * <p>Note that resources (e.g. intents, entities, webhooks) that the flow references will also be
+   * exported.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (FlowsClient flowsClient = FlowsClient.create()) {
+   *   ExportFlowRequest request =
+   *       ExportFlowRequest.newBuilder()
+   *           .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+   *           .setFlowUri("flowUri-765815458")
+   *           .setIncludeReferencedFlows(true)
+   *           .build();
+   *   ApiFuture<Operation> future = flowsClient.exportFlowCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    return stub.exportFlowCallable();
+  }
+
   @Override
   public final void close() {
     stub.close();
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
index c56da625f..af9330d13 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
@@ -120,6 +120,28 @@ public UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlow
     return ((FlowsStubSettings) getStubSettings()).getFlowValidationResultSettings();
   }
 
+  /** Returns the object with the settings used for calls to importFlow. */
+  public UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings() {
+    return ((FlowsStubSettings) getStubSettings()).importFlowSettings();
+  }
+
+  /** Returns the object with the settings used for calls to importFlow. */
+  public OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings() {
+    return ((FlowsStubSettings) getStubSettings()).importFlowOperationSettings();
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings() {
+    return ((FlowsStubSettings) getStubSettings()).exportFlowSettings();
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings() {
+    return ((FlowsStubSettings) getStubSettings()).exportFlowOperationSettings();
+  }
+
   public static final FlowsSettings create(FlowsStubSettings stub) throws IOException {
     return new FlowsSettings.Builder(stub.toBuilder()).build();
   }
@@ -266,6 +288,28 @@ public UnaryCallSettings.Builder<TrainFlowRequest, Operation> trainFlowSettings(
       return getStubSettingsBuilder().getFlowValidationResultSettings();
     }
 
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings() {
+      return getStubSettingsBuilder().importFlowSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings() {
+      return getStubSettingsBuilder().importFlowOperationSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings() {
+      return getStubSettingsBuilder().exportFlowSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings() {
+      return getStubSettingsBuilder().exportFlowOperationSettings();
+    }
+
     @Override
     public FlowsSettings build() throws IOException {
       return new FlowsSettings(this);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
index 816f76b1b..b86b61190 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
@@ -729,7 +729,7 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -742,7 +742,7 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
    * }</pre>
    *
    * @param name Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to
-   *     draft version. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   *     draft flow. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
    *     ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -754,7 +754,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -767,7 +767,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
    * }</pre>
    *
    * @param name Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to
-   *     draft version. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   *     draft flow. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
    *     ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -778,7 +778,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(String name) {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -804,7 +804,7 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(LoadVersionRequest
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
@@ -830,7 +830,7 @@ public final OperationCallable<LoadVersionRequest, Empty, Struct> loadVersionOpe
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Loads a specified version to draft version.
+   * Loads resources in the specified version to the draft flow.
    *
    * <p>Sample code:
    *
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/gapic_metadata.json b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/gapic_metadata.json
index 59da76066..e402154c2 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/gapic_metadata.json
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/gapic_metadata.json
@@ -133,12 +133,18 @@
             "DeleteFlow": {
               "methods": ["deleteFlow", "deleteFlow", "deleteFlow", "deleteFlowCallable"]
             },
+            "ExportFlow": {
+              "methods": ["exportFlowAsync", "exportFlowOperationCallable", "exportFlowCallable"]
+            },
             "GetFlow": {
               "methods": ["getFlow", "getFlow", "getFlow", "getFlowCallable"]
             },
             "GetFlowValidationResult": {
               "methods": ["getFlowValidationResult", "getFlowValidationResult", "getFlowValidationResult", "getFlowValidationResultCallable"]
             },
+            "ImportFlow": {
+              "methods": ["importFlowAsync", "importFlowOperationCallable", "importFlowCallable"]
+            },
             "ListFlows": {
               "methods": ["listFlows", "listFlows", "listFlows", "listFlowsPagedCallable", "listFlowsCallable"]
             },
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
index acc1ca2a3..8b9a70eb3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
@@ -24,10 +24,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3beta1.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.Flow;
 import com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.TrainFlowRequest;
@@ -94,6 +98,24 @@ public UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCall
     throw new UnsupportedOperationException("Not implemented: getFlowValidationResultCallable()");
   }
 
+  public OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: importFlowOperationCallable()");
+  }
+
+  public UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    throw new UnsupportedOperationException("Not implemented: importFlowCallable()");
+  }
+
+  public OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: exportFlowOperationCallable()");
+  }
+
+  public UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    throw new UnsupportedOperationException("Not implemented: exportFlowCallable()");
+  }
+
   @Override
   public abstract void close();
 }
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
index c01342e0e..ef63bdb25 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
@@ -46,10 +46,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3beta1.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.Flow;
 import com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.TrainFlowRequest;
@@ -119,6 +123,12 @@ public class FlowsStubSettings extends StubSettings<FlowsStubSettings> {
   private final UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlowSettings;
   private final UnaryCallSettings<GetFlowValidationResultRequest, FlowValidationResult>
       getFlowValidationResultSettings;
+  private final UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings;
+  private final OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings;
+  private final UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings;
+  private final OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings;
 
   private static final PagedListDescriptor<ListFlowsRequest, ListFlowsResponse, Flow>
       LIST_FLOWS_PAGE_STR_DESC =
@@ -220,6 +230,28 @@ public UnaryCallSettings<ValidateFlowRequest, FlowValidationResult> validateFlow
     return getFlowValidationResultSettings;
   }
 
+  /** Returns the object with the settings used for calls to importFlow. */
+  public UnaryCallSettings<ImportFlowRequest, Operation> importFlowSettings() {
+    return importFlowSettings;
+  }
+
+  /** Returns the object with the settings used for calls to importFlow. */
+  public OperationCallSettings<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationSettings() {
+    return importFlowOperationSettings;
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public UnaryCallSettings<ExportFlowRequest, Operation> exportFlowSettings() {
+    return exportFlowSettings;
+  }
+
+  /** Returns the object with the settings used for calls to exportFlow. */
+  public OperationCallSettings<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationSettings() {
+    return exportFlowOperationSettings;
+  }
+
   @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public FlowsStub createStub() throws IOException {
     if (getTransportChannelProvider()
@@ -297,6 +329,10 @@ protected FlowsStubSettings(Builder settingsBuilder) throws IOException {
     trainFlowOperationSettings = settingsBuilder.trainFlowOperationSettings().build();
     validateFlowSettings = settingsBuilder.validateFlowSettings().build();
     getFlowValidationResultSettings = settingsBuilder.getFlowValidationResultSettings().build();
+    importFlowSettings = settingsBuilder.importFlowSettings().build();
+    importFlowOperationSettings = settingsBuilder.importFlowOperationSettings().build();
+    exportFlowSettings = settingsBuilder.exportFlowSettings().build();
+    exportFlowOperationSettings = settingsBuilder.exportFlowOperationSettings().build();
   }
 
   /** Builder for FlowsStubSettings. */
@@ -316,6 +352,12 @@ public static class Builder extends StubSettings.Builder<FlowsStubSettings, Buil
         validateFlowSettings;
     private final UnaryCallSettings.Builder<GetFlowValidationResultRequest, FlowValidationResult>
         getFlowValidationResultSettings;
+    private final UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings;
+    private final OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings;
+    private final UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings;
+    private final OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings;
     private static final ImmutableMap<String, ImmutableSet<StatusCode.Code>>
         RETRYABLE_CODE_DEFINITIONS;
 
@@ -363,6 +405,10 @@ protected Builder(ClientContext clientContext) {
       trainFlowOperationSettings = OperationCallSettings.newBuilder();
       validateFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       getFlowValidationResultSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      importFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      importFlowOperationSettings = OperationCallSettings.newBuilder();
+      exportFlowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      exportFlowOperationSettings = OperationCallSettings.newBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -373,7 +419,9 @@ protected Builder(ClientContext clientContext) {
               updateFlowSettings,
               trainFlowSettings,
               validateFlowSettings,
-              getFlowValidationResultSettings);
+              getFlowValidationResultSettings,
+              importFlowSettings,
+              exportFlowSettings);
       initDefaults(this);
     }
 
@@ -389,6 +437,10 @@ protected Builder(FlowsStubSettings settings) {
       trainFlowOperationSettings = settings.trainFlowOperationSettings.toBuilder();
       validateFlowSettings = settings.validateFlowSettings.toBuilder();
       getFlowValidationResultSettings = settings.getFlowValidationResultSettings.toBuilder();
+      importFlowSettings = settings.importFlowSettings.toBuilder();
+      importFlowOperationSettings = settings.importFlowOperationSettings.toBuilder();
+      exportFlowSettings = settings.exportFlowSettings.toBuilder();
+      exportFlowOperationSettings = settings.exportFlowOperationSettings.toBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -399,7 +451,9 @@ protected Builder(FlowsStubSettings settings) {
               updateFlowSettings,
               trainFlowSettings,
               validateFlowSettings,
-              getFlowValidationResultSettings);
+              getFlowValidationResultSettings,
+              importFlowSettings,
+              exportFlowSettings);
     }
 
     private static Builder createDefault() {
@@ -454,6 +508,16 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .importFlowSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .exportFlowSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       builder
           .trainFlowOperationSettings()
           .setInitialCallSettings(
@@ -477,6 +541,52 @@ private static Builder initDefaults(Builder builder) {
                       .setTotalTimeout(Duration.ofMillis(300000L))
                       .build()));
 
+      builder
+          .importFlowOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings.<ImportFlowRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(ImportFlowResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(Struct.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
+      builder
+          .exportFlowOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings.<ExportFlowRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(ExportFlowResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(Struct.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
       return builder;
     }
 
@@ -547,6 +657,32 @@ public UnaryCallSettings.Builder<TrainFlowRequest, Operation> trainFlowSettings(
       return getFlowValidationResultSettings;
     }
 
+    /** Returns the builder for the settings used for calls to importFlow. */
+    public UnaryCallSettings.Builder<ImportFlowRequest, Operation> importFlowSettings() {
+      return importFlowSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to importFlow. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<ImportFlowRequest, ImportFlowResponse, Struct>
+        importFlowOperationSettings() {
+      return importFlowOperationSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    public UnaryCallSettings.Builder<ExportFlowRequest, Operation> exportFlowSettings() {
+      return exportFlowSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to exportFlow. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<ExportFlowRequest, ExportFlowResponse, Struct>
+        exportFlowOperationSettings() {
+      return exportFlowOperationSettings;
+    }
+
     @Override
     public FlowsStubSettings build() throws IOException {
       return new FlowsStubSettings(this);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
index d584e4762..bfe3e1a73 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
@@ -29,10 +29,14 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.dialogflow.cx.v3beta1.CreateFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.DeleteFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.Flow;
 import com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.GetFlowValidationResultRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest;
+import com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsRequest;
 import com.google.cloud.dialogflow.cx.v3beta1.ListFlowsResponse;
 import com.google.cloud.dialogflow.cx.v3beta1.TrainFlowRequest;
@@ -129,6 +133,22 @@ public class GrpcFlowsStub extends FlowsStub {
                   ProtoUtils.marshaller(FlowValidationResult.getDefaultInstance()))
               .build();
 
+  private static final MethodDescriptor<ImportFlowRequest, Operation> importFlowMethodDescriptor =
+      MethodDescriptor.<ImportFlowRequest, Operation>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.cloud.dialogflow.cx.v3beta1.Flows/ImportFlow")
+          .setRequestMarshaller(ProtoUtils.marshaller(ImportFlowRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .build();
+
+  private static final MethodDescriptor<ExportFlowRequest, Operation> exportFlowMethodDescriptor =
+      MethodDescriptor.<ExportFlowRequest, Operation>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.cloud.dialogflow.cx.v3beta1.Flows/ExportFlow")
+          .setRequestMarshaller(ProtoUtils.marshaller(ExportFlowRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .build();
+
   private final UnaryCallable<CreateFlowRequest, Flow> createFlowCallable;
   private final UnaryCallable<DeleteFlowRequest, Empty> deleteFlowCallable;
   private final UnaryCallable<ListFlowsRequest, ListFlowsResponse> listFlowsCallable;
@@ -140,6 +160,12 @@ public class GrpcFlowsStub extends FlowsStub {
   private final UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCallable;
   private final UnaryCallable<GetFlowValidationResultRequest, FlowValidationResult>
       getFlowValidationResultCallable;
+  private final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable;
+  private final OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable;
+  private final UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable;
+  private final OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable;
 
   private final BackgroundResource backgroundResources;
   private final GrpcOperationsStub operationsStub;
@@ -285,6 +311,32 @@ public Map<String, String> extract(GetFlowValidationResultRequest request) {
                       }
                     })
                 .build();
+    GrpcCallSettings<ImportFlowRequest, Operation> importFlowTransportSettings =
+        GrpcCallSettings.<ImportFlowRequest, Operation>newBuilder()
+            .setMethodDescriptor(importFlowMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ImportFlowRequest>() {
+                  @Override
+                  public Map<String, String> extract(ImportFlowRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
+            .build();
+    GrpcCallSettings<ExportFlowRequest, Operation> exportFlowTransportSettings =
+        GrpcCallSettings.<ExportFlowRequest, Operation>newBuilder()
+            .setMethodDescriptor(exportFlowMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<ExportFlowRequest>() {
+                  @Override
+                  public Map<String, String> extract(ExportFlowRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
+            .build();
 
     this.createFlowCallable =
         callableFactory.createUnaryCallable(
@@ -321,6 +373,24 @@ public Map<String, String> extract(GetFlowValidationResultRequest request) {
             getFlowValidationResultTransportSettings,
             settings.getFlowValidationResultSettings(),
             clientContext);
+    this.importFlowCallable =
+        callableFactory.createUnaryCallable(
+            importFlowTransportSettings, settings.importFlowSettings(), clientContext);
+    this.importFlowOperationCallable =
+        callableFactory.createOperationCallable(
+            importFlowTransportSettings,
+            settings.importFlowOperationSettings(),
+            clientContext,
+            operationsStub);
+    this.exportFlowCallable =
+        callableFactory.createUnaryCallable(
+            exportFlowTransportSettings, settings.exportFlowSettings(), clientContext);
+    this.exportFlowOperationCallable =
+        callableFactory.createOperationCallable(
+            exportFlowTransportSettings,
+            settings.exportFlowOperationSettings(),
+            clientContext,
+            operationsStub);
 
     this.backgroundResources =
         new BackgroundResourceAggregation(clientContext.getBackgroundResources());
@@ -381,6 +451,28 @@ public UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFlowCall
     return getFlowValidationResultCallable;
   }
 
+  @Override
+  public UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
+    return importFlowCallable;
+  }
+
+  @Override
+  public OperationCallable<ImportFlowRequest, ImportFlowResponse, Struct>
+      importFlowOperationCallable() {
+    return importFlowOperationCallable;
+  }
+
+  @Override
+  public UnaryCallable<ExportFlowRequest, Operation> exportFlowCallable() {
+    return exportFlowCallable;
+  }
+
+  @Override
+  public OperationCallable<ExportFlowRequest, ExportFlowResponse, Struct>
+      exportFlowOperationCallable() {
+    return exportFlowOperationCallable;
+  }
+
   @Override
   public final void close() {
     shutdown();
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
index a946402b6..41f363942 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
@@ -180,6 +180,7 @@ public void getAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -230,6 +231,7 @@ public void getAgentTest2() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -280,6 +282,7 @@ public void createAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -333,6 +336,7 @@ public void createAgentTest2() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -386,6 +390,7 @@ public void updateAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -515,6 +520,9 @@ public void exportAgentTest() throws Exception {
         ExportAgentRequest.newBuilder()
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setAgentUri("agentUri1469149223")
+            .setEnvironment(
+                EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+                    .toString())
             .build();
 
     ExportAgentResponse actualResponse = client.exportAgentAsync(request).get();
@@ -526,6 +534,7 @@ public void exportAgentTest() throws Exception {
 
     Assert.assertEquals(request.getName(), actualRequest.getName());
     Assert.assertEquals(request.getAgentUri(), actualRequest.getAgentUri());
+    Assert.assertEquals(request.getEnvironment(), actualRequest.getEnvironment());
     Assert.assertTrue(
         channelProvider.isHeaderSent(
             ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
@@ -542,6 +551,9 @@ public void exportAgentExceptionTest() throws Exception {
           ExportAgentRequest.newBuilder()
               .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
               .setAgentUri("agentUri1469149223")
+              .setEnvironment(
+                  EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+                      .toString())
               .build();
       client.exportAgentAsync(request).get();
       Assert.fail("No exception raised");
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
index 1d53b0877..3e055ab5a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
@@ -693,4 +693,115 @@ public void getFlowValidationResultExceptionTest2() throws Exception {
       // Expected exception.
     }
   }
+
+  @Test
+  public void importFlowTest() throws Exception {
+    ImportFlowResponse expectedResponse =
+        ImportFlowResponse.newBuilder()
+            .setFlow(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("importFlowTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockFlows.addResponse(resultOperation);
+
+    ImportFlowRequest request =
+        ImportFlowRequest.newBuilder()
+            .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .build();
+
+    ImportFlowResponse actualResponse = client.importFlowAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockFlows.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ImportFlowRequest actualRequest = ((ImportFlowRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getParent(), actualRequest.getParent());
+    Assert.assertEquals(request.getFlowUri(), actualRequest.getFlowUri());
+    Assert.assertEquals(request.getFlowContent(), actualRequest.getFlowContent());
+    Assert.assertEquals(request.getImportOption(), actualRequest.getImportOption());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void importFlowExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockFlows.addException(exception);
+
+    try {
+      ImportFlowRequest request =
+          ImportFlowRequest.newBuilder()
+              .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+              .build();
+      client.importFlowAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void exportFlowTest() throws Exception {
+    ExportFlowResponse expectedResponse = ExportFlowResponse.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("exportFlowTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockFlows.addResponse(resultOperation);
+
+    ExportFlowRequest request =
+        ExportFlowRequest.newBuilder()
+            .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .setFlowUri("flowUri-765815458")
+            .setIncludeReferencedFlows(true)
+            .build();
+
+    ExportFlowResponse actualResponse = client.exportFlowAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockFlows.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ExportFlowRequest actualRequest = ((ExportFlowRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getName(), actualRequest.getName());
+    Assert.assertEquals(request.getFlowUri(), actualRequest.getFlowUri());
+    Assert.assertEquals(
+        request.getIncludeReferencedFlows(), actualRequest.getIncludeReferencedFlows());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void exportFlowExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockFlows.addException(exception);
+
+    try {
+      ExportFlowRequest request =
+          ExportFlowRequest.newBuilder()
+              .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+              .setFlowUri("flowUri-765815458")
+              .setIncludeReferencedFlows(true)
+              .build();
+      client.exportFlowAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
 }
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
index 710e94736..33585ec4c 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
@@ -223,4 +223,44 @@ public void getFlowValidationResult(
                   Exception.class.getName())));
     }
   }
+
+  @Override
+  public void importFlow(ImportFlowRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ImportFlow, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void exportFlow(ExportFlowRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ExportFlow, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
 }
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
index a5aaf6ecc..6337c665c 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
@@ -180,6 +180,7 @@ public void getAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -230,6 +231,7 @@ public void getAgentTest2() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -280,6 +282,7 @@ public void createAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -333,6 +336,7 @@ public void createAgentTest2() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -386,6 +390,7 @@ public void updateAgentTest() throws Exception {
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setDisplayName("displayName1714148973")
             .setDefaultLanguageCode("defaultLanguageCode2069633606")
+            .addAllSupportedLanguageCodes(new ArrayList<String>())
             .setTimeZone("timeZone-2077180903")
             .setDescription("description-1724546052")
             .setAvatarUri("avatarUri-428646061")
@@ -515,6 +520,9 @@ public void exportAgentTest() throws Exception {
         ExportAgentRequest.newBuilder()
             .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
             .setAgentUri("agentUri1469149223")
+            .setEnvironment(
+                EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+                    .toString())
             .build();
 
     ExportAgentResponse actualResponse = client.exportAgentAsync(request).get();
@@ -526,6 +534,7 @@ public void exportAgentTest() throws Exception {
 
     Assert.assertEquals(request.getName(), actualRequest.getName());
     Assert.assertEquals(request.getAgentUri(), actualRequest.getAgentUri());
+    Assert.assertEquals(request.getEnvironment(), actualRequest.getEnvironment());
     Assert.assertTrue(
         channelProvider.isHeaderSent(
             ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
@@ -542,6 +551,9 @@ public void exportAgentExceptionTest() throws Exception {
           ExportAgentRequest.newBuilder()
               .setName(AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString())
               .setAgentUri("agentUri1469149223")
+              .setEnvironment(
+                  EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]")
+                      .toString())
               .build();
       client.exportAgentAsync(request).get();
       Assert.fail("No exception raised");
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
index 9e9b209f7..55bb66974 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
@@ -693,4 +693,115 @@ public void getFlowValidationResultExceptionTest2() throws Exception {
       // Expected exception.
     }
   }
+
+  @Test
+  public void importFlowTest() throws Exception {
+    ImportFlowResponse expectedResponse =
+        ImportFlowResponse.newBuilder()
+            .setFlow(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("importFlowTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockFlows.addResponse(resultOperation);
+
+    ImportFlowRequest request =
+        ImportFlowRequest.newBuilder()
+            .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .build();
+
+    ImportFlowResponse actualResponse = client.importFlowAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockFlows.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ImportFlowRequest actualRequest = ((ImportFlowRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getParent(), actualRequest.getParent());
+    Assert.assertEquals(request.getFlowUri(), actualRequest.getFlowUri());
+    Assert.assertEquals(request.getFlowContent(), actualRequest.getFlowContent());
+    Assert.assertEquals(request.getImportOption(), actualRequest.getImportOption());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void importFlowExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockFlows.addException(exception);
+
+    try {
+      ImportFlowRequest request =
+          ImportFlowRequest.newBuilder()
+              .setParent(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+              .build();
+      client.importFlowAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void exportFlowTest() throws Exception {
+    ExportFlowResponse expectedResponse = ExportFlowResponse.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("exportFlowTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockFlows.addResponse(resultOperation);
+
+    ExportFlowRequest request =
+        ExportFlowRequest.newBuilder()
+            .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+            .setFlowUri("flowUri-765815458")
+            .setIncludeReferencedFlows(true)
+            .build();
+
+    ExportFlowResponse actualResponse = client.exportFlowAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockFlows.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ExportFlowRequest actualRequest = ((ExportFlowRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getName(), actualRequest.getName());
+    Assert.assertEquals(request.getFlowUri(), actualRequest.getFlowUri());
+    Assert.assertEquals(
+        request.getIncludeReferencedFlows(), actualRequest.getIncludeReferencedFlows());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void exportFlowExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockFlows.addException(exception);
+
+    try {
+      ExportFlowRequest request =
+          ExportFlowRequest.newBuilder()
+              .setName(FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString())
+              .setFlowUri("flowUri-765815458")
+              .setIncludeReferencedFlows(true)
+              .build();
+      client.exportFlowAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
 }
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
index b948468a7..bcfb35e22 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
@@ -223,4 +223,44 @@ public void getFlowValidationResult(
                   Exception.class.getName())));
     }
   }
+
+  @Override
+  public void importFlow(ImportFlowRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ImportFlow, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void exportFlow(ExportFlowRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ExportFlow, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
 }
diff --git a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsGrpc.java
index fdb90593d..da7c2069f 100644
--- a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsGrpc.java
@@ -392,6 +392,90 @@ private FlowsGrpc() {}
     return getGetFlowValidationResultMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3.ImportFlowRequest, com.google.longrunning.Operation>
+      getImportFlowMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ImportFlow",
+      requestType = com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3.ImportFlowRequest, com.google.longrunning.Operation>
+      getImportFlowMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.dialogflow.cx.v3.ImportFlowRequest, com.google.longrunning.Operation>
+        getImportFlowMethod;
+    if ((getImportFlowMethod = FlowsGrpc.getImportFlowMethod) == null) {
+      synchronized (FlowsGrpc.class) {
+        if ((getImportFlowMethod = FlowsGrpc.getImportFlowMethod) == null) {
+          FlowsGrpc.getImportFlowMethod =
+              getImportFlowMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.dialogflow.cx.v3.ImportFlowRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ImportFlow"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.dialogflow.cx.v3.ImportFlowRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(new FlowsMethodDescriptorSupplier("ImportFlow"))
+                      .build();
+        }
+      }
+    }
+    return getImportFlowMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3.ExportFlowRequest, com.google.longrunning.Operation>
+      getExportFlowMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ExportFlow",
+      requestType = com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3.ExportFlowRequest, com.google.longrunning.Operation>
+      getExportFlowMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.dialogflow.cx.v3.ExportFlowRequest, com.google.longrunning.Operation>
+        getExportFlowMethod;
+    if ((getExportFlowMethod = FlowsGrpc.getExportFlowMethod) == null) {
+      synchronized (FlowsGrpc.class) {
+        if ((getExportFlowMethod = FlowsGrpc.getExportFlowMethod) == null) {
+          FlowsGrpc.getExportFlowMethod =
+              getExportFlowMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.dialogflow.cx.v3.ExportFlowRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ExportFlow"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.dialogflow.cx.v3.ExportFlowRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(new FlowsMethodDescriptorSupplier("ExportFlow"))
+                      .build();
+        }
+      }
+    }
+    return getExportFlowMethod;
+  }
+
   /** Creates a new async stub that supports all call types for the service */
   public static FlowsStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory<FlowsStub> factory =
@@ -553,6 +637,34 @@ public void getFlowValidationResult(
           getGetFlowValidationResultMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public void importFlow(
+        com.google.cloud.dialogflow.cx.v3.ImportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getImportFlowMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public void exportFlow(
+        com.google.cloud.dialogflow.cx.v3.ExportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getExportFlowMethod(), responseObserver);
+    }
+
     @java.lang.Override
     public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
@@ -607,6 +719,18 @@ public final io.grpc.ServerServiceDefinition bindService() {
                       com.google.cloud.dialogflow.cx.v3.GetFlowValidationResultRequest,
                       com.google.cloud.dialogflow.cx.v3.FlowValidationResult>(
                       this, METHODID_GET_FLOW_VALIDATION_RESULT)))
+          .addMethod(
+              getImportFlowMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.dialogflow.cx.v3.ImportFlowRequest,
+                      com.google.longrunning.Operation>(this, METHODID_IMPORT_FLOW)))
+          .addMethod(
+              getExportFlowMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.dialogflow.cx.v3.ExportFlowRequest,
+                      com.google.longrunning.Operation>(this, METHODID_EXPORT_FLOW)))
           .build();
     }
   }
@@ -750,6 +874,36 @@ public void getFlowValidationResult(
           request,
           responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public void importFlow(
+        com.google.cloud.dialogflow.cx.v3.ImportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getImportFlowMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public void exportFlow(
+        com.google.cloud.dialogflow.cx.v3.ExportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getExportFlowMethod(), getCallOptions()), request, responseObserver);
+    }
   }
 
   /**
@@ -877,6 +1031,34 @@ public com.google.cloud.dialogflow.cx.v3.FlowValidationResult getFlowValidationR
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetFlowValidationResultMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public com.google.longrunning.Operation importFlow(
+        com.google.cloud.dialogflow.cx.v3.ImportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getImportFlowMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public com.google.longrunning.Operation exportFlow(
+        com.google.cloud.dialogflow.cx.v3.ExportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getExportFlowMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -1011,6 +1193,34 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetFlowValidationResultMethod(), getCallOptions()), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        importFlow(com.google.cloud.dialogflow.cx.v3.ImportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getImportFlowMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        exportFlow(com.google.cloud.dialogflow.cx.v3.ExportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getExportFlowMethod(), getCallOptions()), request);
+    }
   }
 
   private static final int METHODID_CREATE_FLOW = 0;
@@ -1021,6 +1231,8 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
   private static final int METHODID_TRAIN_FLOW = 5;
   private static final int METHODID_VALIDATE_FLOW = 6;
   private static final int METHODID_GET_FLOW_VALIDATION_RESULT = 7;
+  private static final int METHODID_IMPORT_FLOW = 8;
+  private static final int METHODID_EXPORT_FLOW = 9;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -1085,6 +1297,16 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (io.grpc.stub.StreamObserver<com.google.cloud.dialogflow.cx.v3.FlowValidationResult>)
                   responseObserver);
           break;
+        case METHODID_IMPORT_FLOW:
+          serviceImpl.importFlow(
+              (com.google.cloud.dialogflow.cx.v3.ImportFlowRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
+        case METHODID_EXPORT_FLOW:
+          serviceImpl.exportFlow(
+              (com.google.cloud.dialogflow.cx.v3.ExportFlowRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
         default:
           throw new AssertionError();
       }
@@ -1155,6 +1377,8 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getTrainFlowMethod())
                       .addMethod(getValidateFlowMethod())
                       .addMethod(getGetFlowValidationResultMethod())
+                      .addMethod(getImportFlowMethod())
+                      .addMethod(getExportFlowMethod())
                       .build();
         }
       }
diff --git a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsGrpc.java
index 1719e59fc..78a32273f 100644
--- a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsGrpc.java
@@ -22,8 +22,9 @@
  *
  * <pre>
  * A session represents an interaction with a user. You retrieve user input
- * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
- * user intent and respond.
+ * and pass it to the
+ * [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+ * determine user intent and respond.
  * </pre>
  */
 @javax.annotation.Generated(
@@ -268,8 +269,9 @@ public SessionsFutureStub newStub(
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+   * determine user intent and respond.
    * </pre>
    */
   public abstract static class SessionsImplBase implements io.grpc.BindableService {
@@ -337,9 +339,13 @@ public void matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent]. Must be
+     * called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with
+     * input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public void fulfillIntent(
@@ -390,8 +396,9 @@ public final io.grpc.ServerServiceDefinition bindService() {
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+   * determine user intent and respond.
    * </pre>
    */
   public static final class SessionsStub extends io.grpc.stub.AbstractAsyncStub<SessionsStub> {
@@ -472,9 +479,13 @@ public void matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent]. Must be
+     * called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with
+     * input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public void fulfillIntent(
@@ -493,8 +504,9 @@ public void fulfillIntent(
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+   * determine user intent and respond.
    * </pre>
    */
   public static final class SessionsBlockingStub
@@ -545,9 +557,13 @@ public com.google.cloud.dialogflow.cx.v3.MatchIntentResponse matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent]. Must be
+     * called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with
+     * input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public com.google.cloud.dialogflow.cx.v3.FulfillIntentResponse fulfillIntent(
@@ -562,8 +578,9 @@ public com.google.cloud.dialogflow.cx.v3.FulfillIntentResponse fulfillIntent(
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+   * determine user intent and respond.
    * </pre>
    */
   public static final class SessionsFutureStub
@@ -616,9 +633,13 @@ protected SessionsFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent]. Must be
+     * called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with
+     * input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<
diff --git a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsGrpc.java
index 84865a439..f032bff54 100644
--- a/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsGrpc.java
@@ -420,7 +420,7 @@ public void deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public void loadVersion(
@@ -574,7 +574,7 @@ public void deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public void loadVersion(
@@ -674,7 +674,7 @@ public com.google.protobuf.Empty deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public com.google.longrunning.Operation loadVersion(
@@ -774,7 +774,7 @@ protected VersionsFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsGrpc.java
index 8da6f4187..f075b62dc 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsGrpc.java
@@ -395,6 +395,96 @@ private FlowsGrpc() {}
     return getGetFlowValidationResultMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest,
+          com.google.longrunning.Operation>
+      getImportFlowMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ImportFlow",
+      requestType = com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest,
+          com.google.longrunning.Operation>
+      getImportFlowMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest,
+            com.google.longrunning.Operation>
+        getImportFlowMethod;
+    if ((getImportFlowMethod = FlowsGrpc.getImportFlowMethod) == null) {
+      synchronized (FlowsGrpc.class) {
+        if ((getImportFlowMethod = FlowsGrpc.getImportFlowMethod) == null) {
+          FlowsGrpc.getImportFlowMethod =
+              getImportFlowMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ImportFlow"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(new FlowsMethodDescriptorSupplier("ImportFlow"))
+                      .build();
+        }
+      }
+    }
+    return getImportFlowMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest,
+          com.google.longrunning.Operation>
+      getExportFlowMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ExportFlow",
+      requestType = com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest,
+          com.google.longrunning.Operation>
+      getExportFlowMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest,
+            com.google.longrunning.Operation>
+        getExportFlowMethod;
+    if ((getExportFlowMethod = FlowsGrpc.getExportFlowMethod) == null) {
+      synchronized (FlowsGrpc.class) {
+        if ((getExportFlowMethod = FlowsGrpc.getExportFlowMethod) == null) {
+          FlowsGrpc.getExportFlowMethod =
+              getExportFlowMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ExportFlow"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(new FlowsMethodDescriptorSupplier("ExportFlow"))
+                      .build();
+        }
+      }
+    }
+    return getExportFlowMethod;
+  }
+
   /** Creates a new async stub that supports all call types for the service */
   public static FlowsStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory<FlowsStub> factory =
@@ -556,6 +646,34 @@ public void getFlowValidationResult(
           getGetFlowValidationResultMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public void importFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getImportFlowMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public void exportFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getExportFlowMethod(), responseObserver);
+    }
+
     @java.lang.Override
     public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
@@ -610,6 +728,18 @@ public final io.grpc.ServerServiceDefinition bindService() {
                       com.google.cloud.dialogflow.cx.v3beta1.GetFlowValidationResultRequest,
                       com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult>(
                       this, METHODID_GET_FLOW_VALIDATION_RESULT)))
+          .addMethod(
+              getImportFlowMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest,
+                      com.google.longrunning.Operation>(this, METHODID_IMPORT_FLOW)))
+          .addMethod(
+              getExportFlowMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest,
+                      com.google.longrunning.Operation>(this, METHODID_EXPORT_FLOW)))
           .build();
     }
   }
@@ -753,6 +883,36 @@ public void getFlowValidationResult(
           request,
           responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public void importFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getImportFlowMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public void exportFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getExportFlowMethod(), getCallOptions()), request, responseObserver);
+    }
   }
 
   /**
@@ -880,6 +1040,34 @@ public com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult getFlowValida
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetFlowValidationResultMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public com.google.longrunning.Operation importFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getImportFlowMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public com.google.longrunning.Operation exportFlow(
+        com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getExportFlowMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -1014,6 +1202,34 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetFlowValidationResultMethod(), getCallOptions()), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Imports the specified flow to the specified agent from a binary file.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        importFlow(com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getImportFlowMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Exports the specified flow to a binary file.
+     * Note that resources (e.g. intents, entities, webhooks) that the flow
+     * references will also be exported.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        exportFlow(com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getExportFlowMethod(), getCallOptions()), request);
+    }
   }
 
   private static final int METHODID_CREATE_FLOW = 0;
@@ -1024,6 +1240,8 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
   private static final int METHODID_TRAIN_FLOW = 5;
   private static final int METHODID_VALIDATE_FLOW = 6;
   private static final int METHODID_GET_FLOW_VALIDATION_RESULT = 7;
+  private static final int METHODID_IMPORT_FLOW = 8;
+  private static final int METHODID_EXPORT_FLOW = 9;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -1091,6 +1309,16 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
                       com.google.cloud.dialogflow.cx.v3beta1.FlowValidationResult>)
                   responseObserver);
           break;
+        case METHODID_IMPORT_FLOW:
+          serviceImpl.importFlow(
+              (com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
+        case METHODID_EXPORT_FLOW:
+          serviceImpl.exportFlow(
+              (com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
         default:
           throw new AssertionError();
       }
@@ -1161,6 +1389,8 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getTrainFlowMethod())
                       .addMethod(getValidateFlowMethod())
                       .addMethod(getGetFlowValidationResultMethod())
+                      .addMethod(getImportFlowMethod())
+                      .addMethod(getExportFlowMethod())
                       .build();
         }
       }
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsGrpc.java
index e3903c569..7c9dbaf0d 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsGrpc.java
@@ -22,8 +22,9 @@
  *
  * <pre>
  * A session represents an interaction with a user. You retrieve user input
- * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
- * user intent and respond.
+ * and pass it to the
+ * [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+ * method to determine user intent and respond.
  * </pre>
  */
 @javax.annotation.Generated(
@@ -268,8 +269,9 @@ public SessionsFutureStub newStub(
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+   * method to determine user intent and respond.
    * </pre>
    */
   public abstract static class SessionsImplBase implements io.grpc.BindableService {
@@ -337,9 +339,13 @@ public void matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
+     * Must be called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent],
+     * with input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public void fulfillIntent(
@@ -390,8 +396,9 @@ public final io.grpc.ServerServiceDefinition bindService() {
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+   * method to determine user intent and respond.
    * </pre>
    */
   public static final class SessionsStub extends io.grpc.stub.AbstractAsyncStub<SessionsStub> {
@@ -472,9 +479,13 @@ public void matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
+     * Must be called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent],
+     * with input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public void fulfillIntent(
@@ -493,8 +504,9 @@ public void fulfillIntent(
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+   * method to determine user intent and respond.
    * </pre>
    */
   public static final class SessionsBlockingStub
@@ -545,9 +557,13 @@ public com.google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse matchIntent(
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
+     * Must be called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent],
+     * with input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public com.google.cloud.dialogflow.cx.v3beta1.FulfillIntentResponse fulfillIntent(
@@ -562,8 +578,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.FulfillIntentResponse fulfillInten
    *
    * <pre>
    * A session represents an interaction with a user. You retrieve user input
-   * and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
-   * user intent and respond.
+   * and pass it to the
+   * [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+   * method to determine user intent and respond.
    * </pre>
    */
   public static final class SessionsFutureStub
@@ -616,9 +633,13 @@ protected SessionsFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions
      *
      *
      * <pre>
-     * Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
-     * Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent], with input from
-     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse]. Otherwise, the behavior is undefined.
+     * Fulfills a matched intent returned by
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
+     * Must be called after
+     * [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent],
+     * with input from
+     * [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse].
+     * Otherwise, the behavior is undefined.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsGrpc.java b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsGrpc.java
index f375e291a..f9ebf75da 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsGrpc.java
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsGrpc.java
@@ -427,7 +427,7 @@ public void deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public void loadVersion(
@@ -584,7 +584,7 @@ public void deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public void loadVersion(
@@ -684,7 +684,7 @@ public com.google.protobuf.Empty deleteVersion(
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public com.google.longrunning.Operation loadVersion(
@@ -784,7 +784,7 @@ protected VersionsFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions
      *
      *
      * <pre>
-     * Loads a specified version to draft version.
+     * Loads resources in the specified version to the draft flow.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Agent.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Agent.java
index a3bf74da1..d3e2f4657 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Agent.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Agent.java
@@ -47,6 +47,7 @@ private Agent() {
     name_ = "";
     displayName_ = "";
     defaultLanguageCode_ = "";
+    supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
     timeZone_ = "";
     description_ = "";
     avatarUri_ = "";
@@ -73,6 +74,7 @@ private Agent(
     if (extensionRegistry == null) {
       throw new java.lang.NullPointerException();
     }
+    int mutable_bitField0_ = 0;
     com.google.protobuf.UnknownFieldSet.Builder unknownFields =
         com.google.protobuf.UnknownFieldSet.newBuilder();
     try {
@@ -104,6 +106,16 @@ private Agent(
               defaultLanguageCode_ = s;
               break;
             }
+          case 34:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
+                supportedLanguageCodes_ = new com.google.protobuf.LazyStringArrayList();
+                mutable_bitField0_ |= 0x00000001;
+              }
+              supportedLanguageCodes_.add(s);
+              break;
+            }
           case 42:
             {
               java.lang.String s = input.readStringRequireUtf8();
@@ -180,6 +192,9 @@ private Agent(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
+      if (((mutable_bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ = supportedLanguageCodes_.getUnmodifiableView();
+      }
       this.unknownFields = unknownFields.build();
       makeExtensionsImmutable();
     }
@@ -361,6 +376,71 @@ public com.google.protobuf.ByteString getDefaultLanguageCodeBytes() {
     }
   }
 
+  public static final int SUPPORTED_LANGUAGE_CODES_FIELD_NUMBER = 4;
+  private com.google.protobuf.LazyStringList supportedLanguageCodes_;
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return A list containing the supportedLanguageCodes.
+   */
+  public com.google.protobuf.ProtocolStringList getSupportedLanguageCodesList() {
+    return supportedLanguageCodes_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return The count of supportedLanguageCodes.
+   */
+  public int getSupportedLanguageCodesCount() {
+    return supportedLanguageCodes_.size();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the element to return.
+   * @return The supportedLanguageCodes at the given index.
+   */
+  public java.lang.String getSupportedLanguageCodes(int index) {
+    return supportedLanguageCodes_.get(index);
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the supportedLanguageCodes at the given index.
+   */
+  public com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index) {
+    return supportedLanguageCodes_.getByteString(index);
+  }
+
   public static final int TIME_ZONE_FIELD_NUMBER = 5;
   private volatile java.lang.Object timeZone_;
   /**
@@ -743,6 +823,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getDefaultLanguageCodeBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 3, defaultLanguageCode_);
     }
+    for (int i = 0; i < supportedLanguageCodes_.size(); i++) {
+      com.google.protobuf.GeneratedMessageV3.writeString(
+          output, 4, supportedLanguageCodes_.getRaw(i));
+    }
     if (!getTimeZoneBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 5, timeZone_);
     }
@@ -785,6 +869,14 @@ public int getSerializedSize() {
     if (!getDefaultLanguageCodeBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, defaultLanguageCode_);
     }
+    {
+      int dataSize = 0;
+      for (int i = 0; i < supportedLanguageCodes_.size(); i++) {
+        dataSize += computeStringSizeNoTag(supportedLanguageCodes_.getRaw(i));
+      }
+      size += dataSize;
+      size += 1 * getSupportedLanguageCodesList().size();
+    }
     if (!getTimeZoneBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, timeZone_);
     }
@@ -828,6 +920,8 @@ public boolean equals(final java.lang.Object obj) {
     if (!getName().equals(other.getName())) return false;
     if (!getDisplayName().equals(other.getDisplayName())) return false;
     if (!getDefaultLanguageCode().equals(other.getDefaultLanguageCode())) return false;
+    if (!getSupportedLanguageCodesList().equals(other.getSupportedLanguageCodesList()))
+      return false;
     if (!getTimeZone().equals(other.getTimeZone())) return false;
     if (!getDescription().equals(other.getDescription())) return false;
     if (!getAvatarUri().equals(other.getAvatarUri())) return false;
@@ -856,6 +950,10 @@ public int hashCode() {
     hash = (53 * hash) + getDisplayName().hashCode();
     hash = (37 * hash) + DEFAULT_LANGUAGE_CODE_FIELD_NUMBER;
     hash = (53 * hash) + getDefaultLanguageCode().hashCode();
+    if (getSupportedLanguageCodesCount() > 0) {
+      hash = (37 * hash) + SUPPORTED_LANGUAGE_CODES_FIELD_NUMBER;
+      hash = (53 * hash) + getSupportedLanguageCodesList().hashCode();
+    }
     hash = (37 * hash) + TIME_ZONE_FIELD_NUMBER;
     hash = (53 * hash) + getTimeZone().hashCode();
     hash = (37 * hash) + DESCRIPTION_FIELD_NUMBER;
@@ -1031,6 +1129,8 @@ public Builder clear() {
 
       defaultLanguageCode_ = "";
 
+      supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      bitField0_ = (bitField0_ & ~0x00000001);
       timeZone_ = "";
 
       description_ = "";
@@ -1078,9 +1178,15 @@ public com.google.cloud.dialogflow.cx.v3.Agent build() {
     public com.google.cloud.dialogflow.cx.v3.Agent buildPartial() {
       com.google.cloud.dialogflow.cx.v3.Agent result =
           new com.google.cloud.dialogflow.cx.v3.Agent(this);
+      int from_bitField0_ = bitField0_;
       result.name_ = name_;
       result.displayName_ = displayName_;
       result.defaultLanguageCode_ = defaultLanguageCode_;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ = supportedLanguageCodes_.getUnmodifiableView();
+        bitField0_ = (bitField0_ & ~0x00000001);
+      }
+      result.supportedLanguageCodes_ = supportedLanguageCodes_;
       result.timeZone_ = timeZone_;
       result.description_ = description_;
       result.avatarUri_ = avatarUri_;
@@ -1154,6 +1260,16 @@ public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.Agent other) {
         defaultLanguageCode_ = other.defaultLanguageCode_;
         onChanged();
       }
+      if (!other.supportedLanguageCodes_.isEmpty()) {
+        if (supportedLanguageCodes_.isEmpty()) {
+          supportedLanguageCodes_ = other.supportedLanguageCodes_;
+          bitField0_ = (bitField0_ & ~0x00000001);
+        } else {
+          ensureSupportedLanguageCodesIsMutable();
+          supportedLanguageCodes_.addAll(other.supportedLanguageCodes_);
+        }
+        onChanged();
+      }
       if (!other.getTimeZone().isEmpty()) {
         timeZone_ = other.timeZone_;
         onChanged();
@@ -1212,6 +1328,8 @@ public Builder mergeFrom(
       return this;
     }
 
+    private int bitField0_;
+
     private java.lang.Object name_ = "";
     /**
      *
@@ -1565,6 +1683,184 @@ public Builder setDefaultLanguageCodeBytes(com.google.protobuf.ByteString value)
       return this;
     }
 
+    private com.google.protobuf.LazyStringList supportedLanguageCodes_ =
+        com.google.protobuf.LazyStringArrayList.EMPTY;
+
+    private void ensureSupportedLanguageCodesIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ =
+            new com.google.protobuf.LazyStringArrayList(supportedLanguageCodes_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return A list containing the supportedLanguageCodes.
+     */
+    public com.google.protobuf.ProtocolStringList getSupportedLanguageCodesList() {
+      return supportedLanguageCodes_.getUnmodifiableView();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return The count of supportedLanguageCodes.
+     */
+    public int getSupportedLanguageCodesCount() {
+      return supportedLanguageCodes_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index of the element to return.
+     * @return The supportedLanguageCodes at the given index.
+     */
+    public java.lang.String getSupportedLanguageCodes(int index) {
+      return supportedLanguageCodes_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the supportedLanguageCodes at the given index.
+     */
+    public com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index) {
+      return supportedLanguageCodes_.getByteString(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index to set the value at.
+     * @param value The supportedLanguageCodes to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSupportedLanguageCodes(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.set(index, value);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param value The supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addSupportedLanguageCodes(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.add(value);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param values The supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllSupportedLanguageCodes(java.lang.Iterable<java.lang.String> values) {
+      ensureSupportedLanguageCodesIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, supportedLanguageCodes_);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSupportedLanguageCodes() {
+      supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param value The bytes of the supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addSupportedLanguageCodesBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.add(value);
+      onChanged();
+      return this;
+    }
+
     private java.lang.Object timeZone_ = "";
     /**
      *
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentOrBuilder.java
index 14ace9bbd..64690791f 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentOrBuilder.java
@@ -112,6 +112,61 @@ public interface AgentOrBuilder
    */
   com.google.protobuf.ByteString getDefaultLanguageCodeBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return A list containing the supportedLanguageCodes.
+   */
+  java.util.List<java.lang.String> getSupportedLanguageCodesList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return The count of supportedLanguageCodes.
+   */
+  int getSupportedLanguageCodesCount();
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the element to return.
+   * @return The supportedLanguageCodes at the given index.
+   */
+  java.lang.String getSupportedLanguageCodes(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the supportedLanguageCodes at the given index.
+   */
+  com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index);
+
   /**
    *
    *
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentProto.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentProto.java
index 845e860a5..9642edd68 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentProto.java
@@ -97,114 +97,118 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "le/api/annotations.proto\032\027google/api/cli"
           + "ent.proto\032\037google/api/field_behavior.pro"
           + "to\032\031google/api/resource.proto\032(google/cl"
-          + "oud/dialogflow/cx/v3/flow.proto\032#google/"
-          + "longrunning/operations.proto\032\033google/pro"
-          + "tobuf/empty.proto\032 google/protobuf/field"
-          + "_mask.proto\"8\n\024SpeechToTextSettings\022 \n\030e"
-          + "nable_speech_adaptation\030\001 \001(\010\"\226\004\n\005Agent\022"
-          + "\014\n\004name\030\001 \001(\t\022\031\n\014display_name\030\002 \001(\tB\003\340A\002"
-          + "\022\"\n\025default_language_code\030\003 \001(\tB\003\340A\005\022\026\n\t"
-          + "time_zone\030\005 \001(\tB\003\340A\002\022\023\n\013description\030\006 \001("
-          + "\t\022\022\n\navatar_uri\030\007 \001(\t\022T\n\027speech_to_text_"
-          + "settings\030\r \001(\01323.google.cloud.dialogflow"
-          + ".cx.v3.SpeechToTextSettings\022:\n\nstart_flo"
-          + "w\030\020 \001(\tB&\340A\005\372A \n\036dialogflow.googleapis.c"
-          + "om/Flow\022J\n\021security_settings\030\021 \001(\tB/\372A,\n"
-          + "*dialogflow.googleapis.com/SecuritySetti"
-          + "ngs\022\"\n\032enable_stackdriver_logging\030\022 \001(\010\022"
-          + "\037\n\027enable_spell_correction\030\024 \001(\010:\\\352AY\n\037d"
-          + "ialogflow.googleapis.com/Agent\0226projects"
-          + "/{project}/locations/{location}/agents/{"
-          + "agent}\"s\n\021ListAgentsRequest\0227\n\006parent\030\001 "
-          + "\001(\tB\'\340A\002\372A!\022\037dialogflow.googleapis.com/A"
-          + "gent\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 "
-          + "\001(\t\"c\n\022ListAgentsResponse\0224\n\006agents\030\001 \003("
-          + "\0132$.google.cloud.dialogflow.cx.v3.Agent\022"
-          + "\027\n\017next_page_token\030\002 \001(\t\"H\n\017GetAgentRequ"
+          + "oud/dialogflow/cx/v3/flow.proto\0325google/"
+          + "cloud/dialogflow/cx/v3/security_settings"
+          + ".proto\032#google/longrunning/operations.pr"
+          + "oto\032\033google/protobuf/empty.proto\032 google"
+          + "/protobuf/field_mask.proto\"8\n\024SpeechToTe"
+          + "xtSettings\022 \n\030enable_speech_adaptation\030\001"
+          + " \001(\010\"\270\004\n\005Agent\022\014\n\004name\030\001 \001(\t\022\031\n\014display_"
+          + "name\030\002 \001(\tB\003\340A\002\022\"\n\025default_language_code"
+          + "\030\003 \001(\tB\003\340A\005\022 \n\030supported_language_codes\030"
+          + "\004 \003(\t\022\026\n\ttime_zone\030\005 \001(\tB\003\340A\002\022\023\n\013descrip"
+          + "tion\030\006 \001(\t\022\022\n\navatar_uri\030\007 \001(\t\022T\n\027speech"
+          + "_to_text_settings\030\r \001(\01323.google.cloud.d"
+          + "ialogflow.cx.v3.SpeechToTextSettings\022:\n\n"
+          + "start_flow\030\020 \001(\tB&\340A\005\372A \n\036dialogflow.goo"
+          + "gleapis.com/Flow\022J\n\021security_settings\030\021 "
+          + "\001(\tB/\372A,\n*dialogflow.googleapis.com/Secu"
+          + "ritySettings\022\"\n\032enable_stackdriver_loggi"
+          + "ng\030\022 \001(\010\022\037\n\027enable_spell_correction\030\024 \001("
+          + "\010:\\\352AY\n\037dialogflow.googleapis.com/Agent\022"
+          + "6projects/{project}/locations/{location}"
+          + "/agents/{agent}\"s\n\021ListAgentsRequest\0227\n\006"
+          + "parent\030\001 \001(\tB\'\340A\002\372A!\022\037dialogflow.googlea"
+          + "pis.com/Agent\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage"
+          + "_token\030\003 \001(\t\"c\n\022ListAgentsResponse\0224\n\006ag"
+          + "ents\030\001 \003(\0132$.google.cloud.dialogflow.cx."
+          + "v3.Agent\022\027\n\017next_page_token\030\002 \001(\t\"H\n\017Get"
+          + "AgentRequest\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dial"
+          + "ogflow.googleapis.com/Agent\"\207\001\n\022CreateAg"
+          + "entRequest\0227\n\006parent\030\001 \001(\tB\'\340A\002\372A!\022\037dial"
+          + "ogflow.googleapis.com/Agent\0228\n\005agent\030\002 \001"
+          + "(\0132$.google.cloud.dialogflow.cx.v3.Agent"
+          + "B\003\340A\002\"\177\n\022UpdateAgentRequest\0228\n\005agent\030\001 \001"
+          + "(\0132$.google.cloud.dialogflow.cx.v3.Agent"
+          + "B\003\340A\002\022/\n\013update_mask\030\002 \001(\0132\032.google.prot"
+          + "obuf.FieldMask\"K\n\022DeleteAgentRequest\0225\n\004"
+          + "name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.googleapi"
+          + "s.com/Agent\"\247\001\n\022ExportAgentRequest\0225\n\004na"
+          + "me\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.googleapis."
+          + "com/Agent\022\026\n\tagent_uri\030\002 \001(\tB\003\340A\001\022B\n\013env"
+          + "ironment\030\005 \001(\tB-\340A\001\372A\'\n%dialogflow.googl"
+          + "eapis.com/Environment\"L\n\023ExportAgentResp"
+          + "onse\022\023\n\tagent_uri\030\001 \001(\tH\000\022\027\n\ragent_conte"
+          + "nt\030\002 \001(\014H\000B\007\n\005agent\"\246\002\n\023RestoreAgentRequ"
           + "est\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.go"
-          + "ogleapis.com/Agent\"\207\001\n\022CreateAgentReques"
-          + "t\0227\n\006parent\030\001 \001(\tB\'\340A\002\372A!\022\037dialogflow.go"
-          + "ogleapis.com/Agent\0228\n\005agent\030\002 \001(\0132$.goog"
-          + "le.cloud.dialogflow.cx.v3.AgentB\003\340A\002\"\177\n\022"
-          + "UpdateAgentRequest\0228\n\005agent\030\001 \001(\0132$.goog"
-          + "le.cloud.dialogflow.cx.v3.AgentB\003\340A\002\022/\n\013"
-          + "update_mask\030\002 \001(\0132\032.google.protobuf.Fiel"
-          + "dMask\"K\n\022DeleteAgentRequest\0225\n\004name\030\001 \001("
-          + "\tB\'\340A\002\372A!\n\037dialogflow.googleapis.com/Age"
-          + "nt\"c\n\022ExportAgentRequest\0225\n\004name\030\001 \001(\tB\'"
-          + "\340A\002\372A!\n\037dialogflow.googleapis.com/Agent\022"
-          + "\026\n\tagent_uri\030\002 \001(\tB\003\340A\001\"L\n\023ExportAgentRe"
-          + "sponse\022\023\n\tagent_uri\030\001 \001(\tH\000\022\027\n\ragent_con"
-          + "tent\030\002 \001(\014H\000B\007\n\005agent\"\246\002\n\023RestoreAgentRe"
-          + "quest\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow."
-          + "googleapis.com/Agent\022\023\n\tagent_uri\030\002 \001(\tH"
-          + "\000\022\027\n\ragent_content\030\003 \001(\014H\000\022X\n\016restore_op"
-          + "tion\030\005 \001(\0162@.google.cloud.dialogflow.cx."
-          + "v3.RestoreAgentRequest.RestoreOption\"G\n\r"
-          + "RestoreOption\022\036\n\032RESTORE_OPTION_UNSPECIF"
-          + "IED\020\000\022\010\n\004KEEP\020\001\022\014\n\010FALLBACK\020\002B\007\n\005agent\"d"
-          + "\n\024ValidateAgentRequest\0225\n\004name\030\001 \001(\tB\'\340A"
-          + "\002\372A!\n\037dialogflow.googleapis.com/Agent\022\025\n"
-          + "\rlanguage_code\030\002 \001(\t\"\177\n\037GetAgentValidati"
-          + "onResultRequest\022E\n\004name\030\001 \001(\tB7\340A\002\372A1\n/d"
-          + "ialogflow.googleapis.com/AgentValidation"
-          + "Result\022\025\n\rlanguage_code\030\002 \001(\t\"\372\001\n\025AgentV"
-          + "alidationResult\022\014\n\004name\030\001 \001(\t\022T\n\027flow_va"
-          + "lidation_results\030\002 \003(\01323.google.cloud.di"
-          + "alogflow.cx.v3.FlowValidationResult:}\352Az"
-          + "\n/dialogflow.googleapis.com/AgentValidat"
-          + "ionResult\022Gprojects/{project}/locations/"
-          + "{location}/agents/{agent}/validationResu"
-          + "lt2\231\016\n\006Agents\022\256\001\n\nListAgents\0220.google.cl"
-          + "oud.dialogflow.cx.v3.ListAgentsRequest\0321"
-          + ".google.cloud.dialogflow.cx.v3.ListAgent"
-          + "sResponse\";\202\323\344\223\002,\022*/v3/{parent=projects/"
-          + "*/locations/*}/agents\332A\006parent\022\233\001\n\010GetAg"
-          + "ent\022..google.cloud.dialogflow.cx.v3.GetA"
-          + "gentRequest\032$.google.cloud.dialogflow.cx"
-          + ".v3.Agent\"9\202\323\344\223\002,\022*/v3/{name=projects/*/"
-          + "locations/*/agents/*}\332A\004name\022\260\001\n\013CreateA"
-          + "gent\0221.google.cloud.dialogflow.cx.v3.Cre"
-          + "ateAgentRequest\032$.google.cloud.dialogflo"
-          + "w.cx.v3.Agent\"H\202\323\344\223\0023\"*/v3/{parent=proje"
-          + "cts/*/locations/*}/agents:\005agent\332A\014paren"
-          + "t,agent\022\273\001\n\013UpdateAgent\0221.google.cloud.d"
-          + "ialogflow.cx.v3.UpdateAgentRequest\032$.goo"
-          + "gle.cloud.dialogflow.cx.v3.Agent\"S\202\323\344\223\0029"
-          + "20/v3/{agent.name=projects/*/locations/*"
-          + "/agents/*}:\005agent\332A\021agent,update_mask\022\223\001"
-          + "\n\013DeleteAgent\0221.google.cloud.dialogflow."
-          + "cx.v3.DeleteAgentRequest\032\026.google.protob"
-          + "uf.Empty\"9\202\323\344\223\002,**/v3/{name=projects/*/l"
-          + "ocations/*/agents/*}\332A\004name\022\315\001\n\013ExportAg"
-          + "ent\0221.google.cloud.dialogflow.cx.v3.Expo"
-          + "rtAgentRequest\032\035.google.longrunning.Oper"
-          + "ation\"l\202\323\344\223\0026\"1/v3/{name=projects/*/loca"
-          + "tions/*/agents/*}:export:\001*\312A-\n\023ExportAg"
-          + "entResponse\022\026google.protobuf.Struct\022\322\001\n\014"
-          + "RestoreAgent\0222.google.cloud.dialogflow.c"
-          + "x.v3.RestoreAgentRequest\032\035.google.longru"
-          + "nning.Operation\"o\202\323\344\223\0027\"2/v3/{name=proje"
-          + "cts/*/locations/*/agents/*}:restore:\001*\312A"
-          + "/\n\025google.protobuf.Empty\022\026google.protobu"
-          + "f.Struct\022\272\001\n\rValidateAgent\0223.google.clou"
-          + "d.dialogflow.cx.v3.ValidateAgentRequest\032"
-          + "4.google.cloud.dialogflow.cx.v3.AgentVal"
-          + "idationResult\">\202\323\344\223\0028\"3/v3/{name=project"
-          + "s/*/locations/*/agents/*}:validate:\001*\022\334\001"
-          + "\n\030GetAgentValidationResult\022>.google.clou"
-          + "d.dialogflow.cx.v3.GetAgentValidationRes"
-          + "ultRequest\0324.google.cloud.dialogflow.cx."
-          + "v3.AgentValidationResult\"J\202\323\344\223\002=\022;/v3/{n"
-          + "ame=projects/*/locations/*/agents/*/vali"
-          + "dationResult}\332A\004name\032x\312A\031dialogflow.goog"
-          + "leapis.com\322AYhttps://www.googleapis.com/"
-          + "auth/cloud-platform,https://www.googleap"
-          + "is.com/auth/dialogflowB\232\001\n!com.google.cl"
-          + "oud.dialogflow.cx.v3B\nAgentProtoP\001Z?goog"
-          + "le.golang.org/genproto/googleapis/cloud/"
-          + "dialogflow/cx/v3;cx\370\001\001\242\002\002DF\252\002\035Google.Clo"
-          + "ud.Dialogflow.Cx.V3b\006proto3"
+          + "ogleapis.com/Agent\022\023\n\tagent_uri\030\002 \001(\tH\000\022"
+          + "\027\n\ragent_content\030\003 \001(\014H\000\022X\n\016restore_opti"
+          + "on\030\005 \001(\0162@.google.cloud.dialogflow.cx.v3"
+          + ".RestoreAgentRequest.RestoreOption\"G\n\rRe"
+          + "storeOption\022\036\n\032RESTORE_OPTION_UNSPECIFIE"
+          + "D\020\000\022\010\n\004KEEP\020\001\022\014\n\010FALLBACK\020\002B\007\n\005agent\"d\n\024"
+          + "ValidateAgentRequest\0225\n\004name\030\001 \001(\tB\'\340A\002\372"
+          + "A!\n\037dialogflow.googleapis.com/Agent\022\025\n\rl"
+          + "anguage_code\030\002 \001(\t\"\177\n\037GetAgentValidation"
+          + "ResultRequest\022E\n\004name\030\001 \001(\tB7\340A\002\372A1\n/dia"
+          + "logflow.googleapis.com/AgentValidationRe"
+          + "sult\022\025\n\rlanguage_code\030\002 \001(\t\"\372\001\n\025AgentVal"
+          + "idationResult\022\014\n\004name\030\001 \001(\t\022T\n\027flow_vali"
+          + "dation_results\030\002 \003(\01323.google.cloud.dial"
+          + "ogflow.cx.v3.FlowValidationResult:}\352Az\n/"
+          + "dialogflow.googleapis.com/AgentValidatio"
+          + "nResult\022Gprojects/{project}/locations/{l"
+          + "ocation}/agents/{agent}/validationResult"
+          + "2\231\016\n\006Agents\022\256\001\n\nListAgents\0220.google.clou"
+          + "d.dialogflow.cx.v3.ListAgentsRequest\0321.g"
+          + "oogle.cloud.dialogflow.cx.v3.ListAgentsR"
+          + "esponse\";\202\323\344\223\002,\022*/v3/{parent=projects/*/"
+          + "locations/*}/agents\332A\006parent\022\233\001\n\010GetAgen"
+          + "t\022..google.cloud.dialogflow.cx.v3.GetAge"
+          + "ntRequest\032$.google.cloud.dialogflow.cx.v"
+          + "3.Agent\"9\202\323\344\223\002,\022*/v3/{name=projects/*/lo"
+          + "cations/*/agents/*}\332A\004name\022\260\001\n\013CreateAge"
+          + "nt\0221.google.cloud.dialogflow.cx.v3.Creat"
+          + "eAgentRequest\032$.google.cloud.dialogflow."
+          + "cx.v3.Agent\"H\202\323\344\223\0023\"*/v3/{parent=project"
+          + "s/*/locations/*}/agents:\005agent\332A\014parent,"
+          + "agent\022\273\001\n\013UpdateAgent\0221.google.cloud.dia"
+          + "logflow.cx.v3.UpdateAgentRequest\032$.googl"
+          + "e.cloud.dialogflow.cx.v3.Agent\"S\202\323\344\223\002920"
+          + "/v3/{agent.name=projects/*/locations/*/a"
+          + "gents/*}:\005agent\332A\021agent,update_mask\022\223\001\n\013"
+          + "DeleteAgent\0221.google.cloud.dialogflow.cx"
+          + ".v3.DeleteAgentRequest\032\026.google.protobuf"
+          + ".Empty\"9\202\323\344\223\002,**/v3/{name=projects/*/loc"
+          + "ations/*/agents/*}\332A\004name\022\315\001\n\013ExportAgen"
+          + "t\0221.google.cloud.dialogflow.cx.v3.Export"
+          + "AgentRequest\032\035.google.longrunning.Operat"
+          + "ion\"l\202\323\344\223\0026\"1/v3/{name=projects/*/locati"
+          + "ons/*/agents/*}:export:\001*\312A-\n\023ExportAgen"
+          + "tResponse\022\026google.protobuf.Struct\022\322\001\n\014Re"
+          + "storeAgent\0222.google.cloud.dialogflow.cx."
+          + "v3.RestoreAgentRequest\032\035.google.longrunn"
+          + "ing.Operation\"o\202\323\344\223\0027\"2/v3/{name=project"
+          + "s/*/locations/*/agents/*}:restore:\001*\312A/\n"
+          + "\025google.protobuf.Empty\022\026google.protobuf."
+          + "Struct\022\272\001\n\rValidateAgent\0223.google.cloud."
+          + "dialogflow.cx.v3.ValidateAgentRequest\0324."
+          + "google.cloud.dialogflow.cx.v3.AgentValid"
+          + "ationResult\">\202\323\344\223\0028\"3/v3/{name=projects/"
+          + "*/locations/*/agents/*}:validate:\001*\022\334\001\n\030"
+          + "GetAgentValidationResult\022>.google.cloud."
+          + "dialogflow.cx.v3.GetAgentValidationResul"
+          + "tRequest\0324.google.cloud.dialogflow.cx.v3"
+          + ".AgentValidationResult\"J\202\323\344\223\002=\022;/v3/{nam"
+          + "e=projects/*/locations/*/agents/*/valida"
+          + "tionResult}\332A\004name\032x\312A\031dialogflow.google"
+          + "apis.com\322AYhttps://www.googleapis.com/au"
+          + "th/cloud-platform,https://www.googleapis"
+          + ".com/auth/dialogflowB\232\001\n!com.google.clou"
+          + "d.dialogflow.cx.v3B\nAgentProtoP\001Z?google"
+          + ".golang.org/genproto/googleapis/cloud/di"
+          + "alogflow/cx/v3;cx\370\001\001\242\002\002DF\252\002\035Google.Cloud"
+          + ".Dialogflow.Cx.V3b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -215,6 +219,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.dialogflow.cx.v3.FlowProto.getDescriptor(),
+              com.google.cloud.dialogflow.cx.v3.SecuritySettingsProto.getDescriptor(),
               com.google.longrunning.OperationsProto.getDescriptor(),
               com.google.protobuf.EmptyProto.getDescriptor(),
               com.google.protobuf.FieldMaskProto.getDescriptor(),
@@ -236,6 +241,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
               "DisplayName",
               "DefaultLanguageCode",
+              "SupportedLanguageCodes",
               "TimeZone",
               "Description",
               "AvatarUri",
@@ -299,7 +305,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_cx_v3_ExportAgentRequest_descriptor,
             new java.lang.String[] {
-              "Name", "AgentUri",
+              "Name", "AgentUri", "Environment",
             });
     internal_static_google_cloud_dialogflow_cx_v3_ExportAgentResponse_descriptor =
         getDescriptor().getMessageTypes().get(9);
@@ -358,6 +364,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.dialogflow.cx.v3.FlowProto.getDescriptor();
+    com.google.cloud.dialogflow.cx.v3.SecuritySettingsProto.getDescriptor();
     com.google.longrunning.OperationsProto.getDescriptor();
     com.google.protobuf.EmptyProto.getDescriptor();
     com.google.protobuf.FieldMaskProto.getDescriptor();
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInput.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInput.java
index 80ffebdfe..03f1370f4 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInput.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInput.java
@@ -188,8 +188,9 @@ public com.google.cloud.dialogflow.cx.v3.InputAudioConfigOrBuilder getConfigOrBu
    * <pre>
    * The natural language speech audio to be processed.
    * A single request can contain up to 1 minute of speech audio data.
-   * The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-   * bytes.
+   * The [transcribed
+   * text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+   * more than 256 bytes.
    * For non-streaming audio detect intent, both `config` and `audio` must be
    * provided.
    * For streaming audio detect intent, `config` must be provided in
@@ -759,8 +760,9 @@ public com.google.cloud.dialogflow.cx.v3.InputAudioConfigOrBuilder getConfigOrBu
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+     * more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
@@ -781,8 +783,9 @@ public com.google.protobuf.ByteString getAudio() {
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+     * more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
@@ -809,8 +812,9 @@ public Builder setAudio(com.google.protobuf.ByteString value) {
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+     * more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInputOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInputOrBuilder.java
index a8e337ffc..6700e8ef0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInputOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AudioInputOrBuilder.java
@@ -70,8 +70,9 @@ public interface AudioInputOrBuilder
    * <pre>
    * The natural language speech audio to be processed.
    * A single request can contain up to 1 minute of speech audio data.
-   * The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-   * bytes.
+   * The [transcribed
+   * text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+   * more than 256 bytes.
    * For non-streaming audio detect intent, both `config` and `audio` must be
    * provided.
    * For streaming audio detect intent, `config` must be provided in
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequest.java
index 33be9d04e..32c8c8f4f 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequest.java
@@ -247,7 +247,9 @@ public com.google.cloud.dialogflow.cx.v3.FlowOrBuilder getFlowOrBuilder() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -277,7 +279,9 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -982,7 +986,9 @@ public com.google.cloud.dialogflow.cx.v3.FlowOrBuilder getFlowOrBuilder() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1011,7 +1017,9 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1040,7 +1048,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1068,7 +1078,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1092,7 +1104,9 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequestOrBuilder.java
index 7810f2f68..0076e82a4 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateFlowRequestOrBuilder.java
@@ -98,7 +98,9 @@ public interface CreateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -117,7 +119,9 @@ public interface CreateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequest.java
index 9432f43ea..99645ef86 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequest.java
@@ -249,11 +249,17 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getPageOrBuilder() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -283,11 +289,17 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -997,11 +1009,17 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getPageOrBuilder() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1030,11 +1048,17 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1063,11 +1087,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1095,11 +1125,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1123,11 +1159,17 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequestOrBuilder.java
index 7c87b3872..5ab6b0b47 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreatePageRequestOrBuilder.java
@@ -100,11 +100,17 @@ public interface CreatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -123,11 +129,17 @@ public interface CreatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequest.java
index 7c25dec42..7cb4622d1 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequest.java
@@ -255,9 +255,10 @@ public com.google.cloud.dialogflow.cx.v3.TransitionRouteGroup getTransitionRoute
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -285,9 +286,10 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1024,9 +1026,10 @@ public Builder clearTransitionRouteGroup() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1053,9 +1056,10 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1082,9 +1086,10 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1110,9 +1115,10 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1134,9 +1140,10 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequestOrBuilder.java
index d072fb6ba..a49fcdf01 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/CreateTransitionRouteGroupRequestOrBuilder.java
@@ -102,9 +102,10 @@ public interface CreateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -121,9 +122,10 @@ public interface CreateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponse.java
index 4762cd36d..cf48f0d03 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponse.java
@@ -258,9 +258,9 @@ public com.google.cloud.dialogflow.cx.v3.QueryResultOrBuilder getQueryResultOrBu
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
@@ -1020,9 +1020,9 @@ public com.google.cloud.dialogflow.cx.v3.QueryResultOrBuilder getQueryResultOrBu
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1044,9 +1044,9 @@ public com.google.protobuf.ByteString getOutputAudio() {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1074,9 +1074,9 @@ public Builder setOutputAudio(com.google.protobuf.ByteString value) {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponseOrBuilder.java
index d1665648c..70e5dc9b2 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DetectIntentResponseOrBuilder.java
@@ -92,9 +92,9 @@ public interface DetectIntentResponseOrBuilder
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Experiment.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Experiment.java
index 66d40742d..2709a7e78 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Experiment.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Experiment.java
@@ -4730,7 +4730,7 @@ public interface VersionMetricsOrBuilder
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -4744,7 +4744,7 @@ public interface VersionMetricsOrBuilder
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -4950,7 +4950,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -4975,7 +4975,7 @@ public java.lang.String getVersion() {
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -5503,7 +5503,7 @@ public Builder mergeFrom(
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5527,7 +5527,7 @@ public java.lang.String getVersion() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5551,7 +5551,7 @@ public com.google.protobuf.ByteString getVersionBytes() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5574,7 +5574,7 @@ public Builder setVersion(java.lang.String value) {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5593,7 +5593,7 @@ public Builder clearVersion() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequest.java
index 51aac1cc6..718e69bc0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequest.java
@@ -40,6 +40,7 @@ private ExportAgentRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> bui
   private ExportAgentRequest() {
     name_ = "";
     agentUri_ = "";
+    environment_ = "";
   }
 
   @java.lang.Override
@@ -85,6 +86,13 @@ private ExportAgentRequest(
               agentUri_ = s;
               break;
             }
+          case 42:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              environment_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -229,6 +237,63 @@ public com.google.protobuf.ByteString getAgentUriBytes() {
     }
   }
 
+  public static final int ENVIRONMENT_FIELD_NUMBER = 5;
+  private volatile java.lang.Object environment_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The environment.
+   */
+  @java.lang.Override
+  public java.lang.String getEnvironment() {
+    java.lang.Object ref = environment_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      environment_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for environment.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getEnvironmentBytes() {
+    java.lang.Object ref = environment_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      environment_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -249,6 +314,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getAgentUriBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 2, agentUri_);
     }
+    if (!getEnvironmentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, environment_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -264,6 +332,9 @@ public int getSerializedSize() {
     if (!getAgentUriBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, agentUri_);
     }
+    if (!getEnvironmentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, environment_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -282,6 +353,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getName().equals(other.getName())) return false;
     if (!getAgentUri().equals(other.getAgentUri())) return false;
+    if (!getEnvironment().equals(other.getEnvironment())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -297,6 +369,8 @@ public int hashCode() {
     hash = (53 * hash) + getName().hashCode();
     hash = (37 * hash) + AGENT_URI_FIELD_NUMBER;
     hash = (53 * hash) + getAgentUri().hashCode();
+    hash = (37 * hash) + ENVIRONMENT_FIELD_NUMBER;
+    hash = (53 * hash) + getEnvironment().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -446,6 +520,8 @@ public Builder clear() {
 
       agentUri_ = "";
 
+      environment_ = "";
+
       return this;
     }
 
@@ -475,6 +551,7 @@ public com.google.cloud.dialogflow.cx.v3.ExportAgentRequest buildPartial() {
           new com.google.cloud.dialogflow.cx.v3.ExportAgentRequest(this);
       result.name_ = name_;
       result.agentUri_ = agentUri_;
+      result.environment_ = environment_;
       onBuilt();
       return result;
     }
@@ -533,6 +610,10 @@ public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.ExportAgentRequest ot
         agentUri_ = other.agentUri_;
         onChanged();
       }
+      if (!other.getEnvironment().isEmpty()) {
+        environment_ = other.environment_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -805,6 +886,132 @@ public Builder setAgentUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object environment_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The environment.
+     */
+    public java.lang.String getEnvironment() {
+      java.lang.Object ref = environment_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        environment_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for environment.
+     */
+    public com.google.protobuf.ByteString getEnvironmentBytes() {
+      java.lang.Object ref = environment_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        environment_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The environment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnvironment(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      environment_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnvironment() {
+
+      environment_ = getDefaultInstance().getEnvironment();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for environment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnvironmentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      environment_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequestOrBuilder.java
index 9f01b9c5a..0d7326999 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequestOrBuilder.java
@@ -84,4 +84,37 @@ public interface ExportAgentRequestOrBuilder
    * @return The bytes for agentUri.
    */
   com.google.protobuf.ByteString getAgentUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The environment.
+   */
+  java.lang.String getEnvironment();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for environment.
+   */
+  com.google.protobuf.ByteString getEnvironmentBytes();
 }
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequest.java
new file mode 100644
index 000000000..cc60dfb9f
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequest.java
@@ -0,0 +1,954 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+/**
+ *
+ *
+ * <pre>
+ * The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3.ExportFlowRequest}
+ */
+public final class ExportFlowRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3.ExportFlowRequest)
+    ExportFlowRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ExportFlowRequest.newBuilder() to construct.
+  private ExportFlowRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ExportFlowRequest() {
+    name_ = "";
+    flowUri_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ExportFlowRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ExportFlowRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              flowUri_ = s;
+              break;
+            }
+          case 32:
+            {
+              includeReferencedFlows_ = input.readBool();
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.class,
+            com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 2;
+  private volatile java.lang.Object flowUri_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flowUri.
+   */
+  @java.lang.Override
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = flowUri_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      flowUri_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = flowUri_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      flowUri_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int INCLUDE_REFERENCED_FLOWS_FIELD_NUMBER = 4;
+  private boolean includeReferencedFlows_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to export flows referenced by the specified flow.
+   * </pre>
+   *
+   * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The includeReferencedFlows.
+   */
+  @java.lang.Override
+  public boolean getIncludeReferencedFlows() {
+    return includeReferencedFlows_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getNameBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    if (!getFlowUriBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, flowUri_);
+    }
+    if (includeReferencedFlows_ != false) {
+      output.writeBool(4, includeReferencedFlows_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getNameBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    }
+    if (!getFlowUriBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, flowUri_);
+    }
+    if (includeReferencedFlows_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(4, includeReferencedFlows_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3.ExportFlowRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3.ExportFlowRequest other =
+        (com.google.cloud.dialogflow.cx.v3.ExportFlowRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getFlowUri().equals(other.getFlowUri())) return false;
+    if (getIncludeReferencedFlows() != other.getIncludeReferencedFlows()) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+    hash = (53 * hash) + getFlowUri().hashCode();
+    hash = (37 * hash) + INCLUDE_REFERENCED_FLOWS_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getIncludeReferencedFlows());
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.dialogflow.cx.v3.ExportFlowRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3.ExportFlowRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3.ExportFlowRequest)
+      com.google.cloud.dialogflow.cx.v3.ExportFlowRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.class,
+              com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      name_ = "";
+
+      flowUri_ = "";
+
+      includeReferencedFlows_ = false;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowRequest getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowRequest build() {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowRequest buildPartial() {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowRequest result =
+          new com.google.cloud.dialogflow.cx.v3.ExportFlowRequest(this);
+      result.name_ = name_;
+      result.flowUri_ = flowUri_;
+      result.includeReferencedFlows_ = includeReferencedFlows_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3.ExportFlowRequest) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3.ExportFlowRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.ExportFlowRequest other) {
+      if (other == com.google.cloud.dialogflow.cx.v3.ExportFlowRequest.getDefaultInstance())
+        return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        onChanged();
+      }
+      if (!other.getFlowUri().isEmpty()) {
+        flowUri_ = other.flowUri_;
+        onChanged();
+      }
+      if (other.getIncludeReferencedFlows() != false) {
+        setIncludeReferencedFlows(other.getIncludeReferencedFlows());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3.ExportFlowRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object flowUri_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The flowUri.
+     */
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = flowUri_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        flowUri_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = flowUri_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        flowUri_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      flowUri_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+
+      flowUri_ = getDefaultInstance().getFlowUri();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      flowUri_ = value;
+      onChanged();
+      return this;
+    }
+
+    private boolean includeReferencedFlows_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The includeReferencedFlows.
+     */
+    @java.lang.Override
+    public boolean getIncludeReferencedFlows() {
+      return includeReferencedFlows_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The includeReferencedFlows to set.
+     * @return This builder for chaining.
+     */
+    public Builder setIncludeReferencedFlows(boolean value) {
+
+      includeReferencedFlows_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearIncludeReferencedFlows() {
+
+      includeReferencedFlows_ = false;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3.ExportFlowRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3.ExportFlowRequest)
+  private static final com.google.cloud.dialogflow.cx.v3.ExportFlowRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3.ExportFlowRequest();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ExportFlowRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ExportFlowRequest>() {
+        @java.lang.Override
+        public ExportFlowRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ExportFlowRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ExportFlowRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ExportFlowRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3.ExportFlowRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequestOrBuilder.java
new file mode 100644
index 000000000..9c6f09184
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequestOrBuilder.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+public interface ExportFlowRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3.ExportFlowRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to export flows referenced by the specified flow.
+   * </pre>
+   *
+   * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The includeReferencedFlows.
+   */
+  boolean getIncludeReferencedFlows();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponse.java
new file mode 100644
index 000000000..31b38358f
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponse.java
@@ -0,0 +1,914 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+/**
+ *
+ *
+ * <pre>
+ * The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3.ExportFlowResponse}
+ */
+public final class ExportFlowResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3.ExportFlowResponse)
+    ExportFlowResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ExportFlowResponse.newBuilder() to construct.
+  private ExportFlowResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ExportFlowResponse() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ExportFlowResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ExportFlowResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              flowCase_ = 1;
+              flow_ = s;
+              break;
+            }
+          case 18:
+            {
+              flowCase_ = 2;
+              flow_ = input.readBytes();
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.class,
+            com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.Builder.class);
+  }
+
+  private int flowCase_ = 0;
+  private java.lang.Object flow_;
+
+  public enum FlowCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FLOW_URI(1),
+    FLOW_CONTENT(2),
+    FLOW_NOT_SET(0);
+    private final int value;
+
+    private FlowCase(int value) {
+      this.value = value;
+    }
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static FlowCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static FlowCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return FLOW_URI;
+        case 2:
+          return FLOW_CONTENT;
+        case 0:
+          return FLOW_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public FlowCase getFlowCase() {
+    return FlowCase.forNumber(flowCase_);
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  public boolean hasFlowUri() {
+    return flowCase_ == 1;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The flowUri.
+   */
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 1) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (flowCase_ == 1) {
+        flow_ = s;
+      }
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 1) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (flowCase_ == 1) {
+        flow_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_CONTENT_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  @java.lang.Override
+  public boolean hasFlowContent() {
+    return flowCase_ == 2;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return The flowContent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowContent() {
+    if (flowCase_ == 2) {
+      return (com.google.protobuf.ByteString) flow_;
+    }
+    return com.google.protobuf.ByteString.EMPTY;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (flowCase_ == 1) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, flow_);
+    }
+    if (flowCase_ == 2) {
+      output.writeBytes(2, (com.google.protobuf.ByteString) flow_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (flowCase_ == 1) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, flow_);
+    }
+    if (flowCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBytesSize(
+              2, (com.google.protobuf.ByteString) flow_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3.ExportFlowResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3.ExportFlowResponse other =
+        (com.google.cloud.dialogflow.cx.v3.ExportFlowResponse) obj;
+
+    if (!getFlowCase().equals(other.getFlowCase())) return false;
+    switch (flowCase_) {
+      case 1:
+        if (!getFlowUri().equals(other.getFlowUri())) return false;
+        break;
+      case 2:
+        if (!getFlowContent().equals(other.getFlowContent())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (flowCase_) {
+      case 1:
+        hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowUri().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + FLOW_CONTENT_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowContent().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.dialogflow.cx.v3.ExportFlowResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3.ExportFlowResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3.ExportFlowResponse)
+      com.google.cloud.dialogflow.cx.v3.ExportFlowResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.class,
+              com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      flowCase_ = 0;
+      flow_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowResponse getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowResponse build() {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ExportFlowResponse buildPartial() {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowResponse result =
+          new com.google.cloud.dialogflow.cx.v3.ExportFlowResponse(this);
+      if (flowCase_ == 1) {
+        result.flow_ = flow_;
+      }
+      if (flowCase_ == 2) {
+        result.flow_ = flow_;
+      }
+      result.flowCase_ = flowCase_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3.ExportFlowResponse) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3.ExportFlowResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.ExportFlowResponse other) {
+      if (other == com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.getDefaultInstance())
+        return this;
+      switch (other.getFlowCase()) {
+        case FLOW_URI:
+          {
+            flowCase_ = 1;
+            flow_ = other.flow_;
+            onChanged();
+            break;
+          }
+        case FLOW_CONTENT:
+          {
+            setFlowContent(other.getFlowContent());
+            break;
+          }
+        case FLOW_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3.ExportFlowResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3.ExportFlowResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int flowCase_ = 0;
+    private java.lang.Object flow_;
+
+    public FlowCase getFlowCase() {
+      return FlowCase.forNumber(flowCase_);
+    }
+
+    public Builder clearFlow() {
+      flowCase_ = 0;
+      flow_ = null;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return Whether the flowUri field is set.
+     */
+    @java.lang.Override
+    public boolean hasFlowUri() {
+      return flowCase_ == 1;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return The flowUri.
+     */
+    @java.lang.Override
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 1) {
+        ref = flow_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (flowCase_ == 1) {
+          flow_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 1) {
+        ref = flow_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (flowCase_ == 1) {
+          flow_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 1;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+      if (flowCase_ == 1) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      flowCase_ = 1;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return Whether the flowContent field is set.
+     */
+    public boolean hasFlowContent() {
+      return flowCase_ == 2;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return The flowContent.
+     */
+    public com.google.protobuf.ByteString getFlowContent() {
+      if (flowCase_ == 2) {
+        return (com.google.protobuf.ByteString) flow_;
+      }
+      return com.google.protobuf.ByteString.EMPTY;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @param value The flowContent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowContent(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowContent() {
+      if (flowCase_ == 2) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3.ExportFlowResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3.ExportFlowResponse)
+  private static final com.google.cloud.dialogflow.cx.v3.ExportFlowResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3.ExportFlowResponse();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ExportFlowResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ExportFlowResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ExportFlowResponse>() {
+        @java.lang.Override
+        public ExportFlowResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ExportFlowResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ExportFlowResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ExportFlowResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3.ExportFlowResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponseOrBuilder.java
new file mode 100644
index 000000000..b49845e3d
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponseOrBuilder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+public interface ExportFlowResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3.ExportFlowResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  boolean hasFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  boolean hasFlowContent();
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return The flowContent.
+   */
+  com.google.protobuf.ByteString getFlowContent();
+
+  public com.google.cloud.dialogflow.cx.v3.ExportFlowResponse.FlowCase getFlowCase();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowProto.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowProto.java
index bcbd58db8..7b60a6fbc 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowProto.java
@@ -75,6 +75,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_dialogflow_cx_v3_FlowValidationResult_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_dialogflow_cx_v3_FlowValidationResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -150,52 +166,77 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "stamp:\212\001\352A\206\001\n.dialogflow.googleapis.com/"
           + "FlowValidationResult\022Tprojects/{project}"
           + "/locations/{location}/agents/{agent}/flo"
-          + "ws/{flow}/validationResult2\356\014\n\005Flows\022\263\001\n"
-          + "\nCreateFlow\0220.google.cloud.dialogflow.cx"
-          + ".v3.CreateFlowRequest\032#.google.cloud.dia"
-          + "logflow.cx.v3.Flow\"N\202\323\344\223\002:\"2/v3/{parent="
-          + "projects/*/locations/*/agents/*}/flows:\004"
-          + "flow\332A\013parent,flow\022\231\001\n\nDeleteFlow\0220.goog"
-          + "le.cloud.dialogflow.cx.v3.DeleteFlowRequ"
-          + "est\032\026.google.protobuf.Empty\"A\202\323\344\223\0024*2/v3"
-          + "/{name=projects/*/locations/*/agents/*/f"
-          + "lows/*}\332A\004name\022\263\001\n\tListFlows\022/.google.cl"
-          + "oud.dialogflow.cx.v3.ListFlowsRequest\0320."
-          + "google.cloud.dialogflow.cx.v3.ListFlowsR"
-          + "esponse\"C\202\323\344\223\0024\0222/v3/{parent=projects/*/"
-          + "locations/*/agents/*}/flows\332A\006parent\022\240\001\n"
-          + "\007GetFlow\022-.google.cloud.dialogflow.cx.v3"
-          + ".GetFlowRequest\032#.google.cloud.dialogflo"
-          + "w.cx.v3.Flow\"A\202\323\344\223\0024\0222/v3/{name=projects"
-          + "/*/locations/*/agents/*/flows/*}\332A\004name\022"
-          + "\275\001\n\nUpdateFlow\0220.google.cloud.dialogflow"
-          + ".cx.v3.UpdateFlowRequest\032#.google.cloud."
-          + "dialogflow.cx.v3.Flow\"X\202\323\344\223\002?27/v3/{flow"
-          + ".name=projects/*/locations/*/agents/*/fl"
-          + "ows/*}:\004flow\332A\020flow,update_mask\022\331\001\n\tTrai"
-          + "nFlow\022/.google.cloud.dialogflow.cx.v3.Tr"
-          + "ainFlowRequest\032\035.google.longrunning.Oper"
-          + "ation\"|\202\323\344\223\002=\"8/v3/{name=projects/*/loca"
-          + "tions/*/agents/*/flows/*}:train:\001*\332A\004nam"
-          + "e\312A/\n\025google.protobuf.Empty\022\026google.prot"
-          + "obuf.Struct\022\277\001\n\014ValidateFlow\0222.google.cl"
-          + "oud.dialogflow.cx.v3.ValidateFlowRequest"
-          + "\0323.google.cloud.dialogflow.cx.v3.FlowVal"
-          + "idationResult\"F\202\323\344\223\002@\";/v3/{name=project"
-          + "s/*/locations/*/agents/*/flows/*}:valida"
-          + "te:\001*\022\341\001\n\027GetFlowValidationResult\022=.goog"
-          + "le.cloud.dialogflow.cx.v3.GetFlowValidat"
-          + "ionResultRequest\0323.google.cloud.dialogfl"
-          + "ow.cx.v3.FlowValidationResult\"R\202\323\344\223\002E\022C/"
-          + "v3/{name=projects/*/locations/*/agents/*"
-          + "/flows/*/validationResult}\332A\004name\032x\312A\031di"
-          + "alogflow.googleapis.com\322AYhttps://www.go"
-          + "ogleapis.com/auth/cloud-platform,https:/"
-          + "/www.googleapis.com/auth/dialogflowB\231\001\n!"
-          + "com.google.cloud.dialogflow.cx.v3B\tFlowP"
-          + "rotoP\001Z?google.golang.org/genproto/googl"
-          + "eapis/cloud/dialogflow/cx/v3;cx\370\001\001\242\002\002DF\252"
-          + "\002\035Google.Cloud.Dialogflow.Cx.V3b\006proto3"
+          + "ws/{flow}/validationResult\"\234\002\n\021ImportFlo"
+          + "wRequest\0226\n\006parent\030\001 \001(\tB&\340A\002\372A \022\036dialog"
+          + "flow.googleapis.com/Flow\022\022\n\010flow_uri\030\002 \001"
+          + "(\tH\000\022\026\n\014flow_content\030\003 \001(\014H\000\022T\n\rimport_o"
+          + "ption\030\004 \001(\0162=.google.cloud.dialogflow.cx"
+          + ".v3.ImportFlowRequest.ImportOption\"E\n\014Im"
+          + "portOption\022\035\n\031IMPORT_OPTION_UNSPECIFIED\020"
+          + "\000\022\010\n\004KEEP\020\001\022\014\n\010FALLBACK\020\002B\006\n\004flow\"G\n\022Imp"
+          + "ortFlowResponse\0221\n\004flow\030\001 \001(\tB#\372A \n\036dial"
+          + "ogflow.googleapis.com/Flow\"\207\001\n\021ExportFlo"
+          + "wRequest\0224\n\004name\030\001 \001(\tB&\340A\002\372A \n\036dialogfl"
+          + "ow.googleapis.com/Flow\022\025\n\010flow_uri\030\002 \001(\t"
+          + "B\003\340A\001\022%\n\030include_referenced_flows\030\004 \001(\010B"
+          + "\003\340A\001\"H\n\022ExportFlowResponse\022\022\n\010flow_uri\030\001"
+          + " \001(\tH\000\022\026\n\014flow_content\030\002 \001(\014H\000B\006\n\004flow2\230"
+          + "\020\n\005Flows\022\263\001\n\nCreateFlow\0220.google.cloud.d"
+          + "ialogflow.cx.v3.CreateFlowRequest\032#.goog"
+          + "le.cloud.dialogflow.cx.v3.Flow\"N\202\323\344\223\002:\"2"
+          + "/v3/{parent=projects/*/locations/*/agent"
+          + "s/*}/flows:\004flow\332A\013parent,flow\022\231\001\n\nDelet"
+          + "eFlow\0220.google.cloud.dialogflow.cx.v3.De"
+          + "leteFlowRequest\032\026.google.protobuf.Empty\""
+          + "A\202\323\344\223\0024*2/v3/{name=projects/*/locations/"
+          + "*/agents/*/flows/*}\332A\004name\022\263\001\n\tListFlows"
+          + "\022/.google.cloud.dialogflow.cx.v3.ListFlo"
+          + "wsRequest\0320.google.cloud.dialogflow.cx.v"
+          + "3.ListFlowsResponse\"C\202\323\344\223\0024\0222/v3/{parent"
+          + "=projects/*/locations/*/agents/*}/flows\332"
+          + "A\006parent\022\240\001\n\007GetFlow\022-.google.cloud.dial"
+          + "ogflow.cx.v3.GetFlowRequest\032#.google.clo"
+          + "ud.dialogflow.cx.v3.Flow\"A\202\323\344\223\0024\0222/v3/{n"
+          + "ame=projects/*/locations/*/agents/*/flow"
+          + "s/*}\332A\004name\022\275\001\n\nUpdateFlow\0220.google.clou"
+          + "d.dialogflow.cx.v3.UpdateFlowRequest\032#.g"
+          + "oogle.cloud.dialogflow.cx.v3.Flow\"X\202\323\344\223\002"
+          + "?27/v3/{flow.name=projects/*/locations/*"
+          + "/agents/*/flows/*}:\004flow\332A\020flow,update_m"
+          + "ask\022\331\001\n\tTrainFlow\022/.google.cloud.dialogf"
+          + "low.cx.v3.TrainFlowRequest\032\035.google.long"
+          + "running.Operation\"|\202\323\344\223\002=\"8/v3/{name=pro"
+          + "jects/*/locations/*/agents/*/flows/*}:tr"
+          + "ain:\001*\332A\004name\312A/\n\025google.protobuf.Empty\022"
+          + "\026google.protobuf.Struct\022\277\001\n\014ValidateFlow"
+          + "\0222.google.cloud.dialogflow.cx.v3.Validat"
+          + "eFlowRequest\0323.google.cloud.dialogflow.c"
+          + "x.v3.FlowValidationResult\"F\202\323\344\223\002@\";/v3/{"
+          + "name=projects/*/locations/*/agents/*/flo"
+          + "ws/*}:validate:\001*\022\341\001\n\027GetFlowValidationR"
+          + "esult\022=.google.cloud.dialogflow.cx.v3.Ge"
+          + "tFlowValidationResultRequest\0323.google.cl"
+          + "oud.dialogflow.cx.v3.FlowValidationResul"
+          + "t\"R\202\323\344\223\002E\022C/v3/{name=projects/*/location"
+          + "s/*/agents/*/flows/*/validationResult}\332A"
+          + "\004name\022\322\001\n\nImportFlow\0220.google.cloud.dial"
+          + "ogflow.cx.v3.ImportFlowRequest\032\035.google."
+          + "longrunning.Operation\"s\202\323\344\223\002>\"9/v3/{pare"
+          + "nt=projects/*/locations/*/agents/*}/flow"
+          + "s:import:\001*\312A,\n\022ImportFlowResponse\022\026goog"
+          + "le.protobuf.Struct\022\322\001\n\nExportFlow\0220.goog"
+          + "le.cloud.dialogflow.cx.v3.ExportFlowRequ"
+          + "est\032\035.google.longrunning.Operation\"s\202\323\344\223"
+          + "\002>\"9/v3/{name=projects/*/locations/*/age"
+          + "nts/*/flows/*}:export:\001*\312A,\n\022ExportFlowR"
+          + "esponse\022\026google.protobuf.Struct\032x\312A\031dial"
+          + "ogflow.googleapis.com\322AYhttps://www.goog"
+          + "leapis.com/auth/cloud-platform,https://w"
+          + "ww.googleapis.com/auth/dialogflowB\231\001\n!co"
+          + "m.google.cloud.dialogflow.cx.v3B\tFlowPro"
+          + "toP\001Z?google.golang.org/genproto/googlea"
+          + "pis/cloud/dialogflow/cx/v3;cx\370\001\001\242\002\002DF\252\002\035"
+          + "Google.Cloud.Dialogflow.Cx.V3b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -314,6 +355,38 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "ValidationMessages", "UpdateTime",
             });
+    internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor =
+        getDescriptor().getMessageTypes().get(12);
+    internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "FlowUri", "FlowContent", "ImportOption", "Flow",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor =
+        getDescriptor().getMessageTypes().get(13);
+    internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor,
+            new java.lang.String[] {
+              "Flow",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor =
+        getDescriptor().getMessageTypes().get(14);
+    internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3_ExportFlowRequest_descriptor,
+            new java.lang.String[] {
+              "Name", "FlowUri", "IncludeReferencedFlows",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor =
+        getDescriptor().getMessageTypes().get(15);
+    internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3_ExportFlowResponse_descriptor,
+            new java.lang.String[] {
+              "FlowUri", "FlowContent", "Flow",
+            });
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponse.java
index 0d1307818..d82543226 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponse.java
@@ -258,9 +258,9 @@ public com.google.cloud.dialogflow.cx.v3.QueryResultOrBuilder getQueryResultOrBu
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
@@ -1020,9 +1020,9 @@ public com.google.cloud.dialogflow.cx.v3.QueryResultOrBuilder getQueryResultOrBu
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1044,9 +1044,9 @@ public com.google.protobuf.ByteString getOutputAudio() {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1074,9 +1074,9 @@ public Builder setOutputAudio(com.google.protobuf.ByteString value) {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponseOrBuilder.java
index 1cfcc6301..d63618eb3 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FulfillIntentResponseOrBuilder.java
@@ -92,9 +92,9 @@ public interface FulfillIntentResponseOrBuilder
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequest.java
index 4f7e74092..ad80d610e 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequest.java
@@ -185,7 +185,9 @@ public com.google.protobuf.ByteString getNameBytes() {
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -216,7 +218,9 @@ public java.lang.String getLanguageCode() {
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -708,7 +712,9 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -738,7 +744,9 @@ public java.lang.String getLanguageCode() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -768,7 +776,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -797,7 +807,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -822,7 +834,9 @@ public Builder clearLanguageCode() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequestOrBuilder.java
index 22c181a14..357e6cf6c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetFlowRequestOrBuilder.java
@@ -63,7 +63,9 @@ public interface GetFlowRequestOrBuilder
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -83,7 +85,9 @@ public interface GetFlowRequestOrBuilder
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequest.java
index 5e2710b5c..b3452cf13 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequest.java
@@ -185,11 +185,17 @@ public com.google.protobuf.ByteString getNameBytes() {
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -220,11 +226,17 @@ public java.lang.String getLanguageCode() {
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -716,11 +728,17 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -750,11 +768,17 @@ public java.lang.String getLanguageCode() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -784,11 +808,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -817,11 +847,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -846,11 +882,17 @@ public Builder clearLanguageCode() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequestOrBuilder.java
index ce588a65e..8ee4401cb 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetPageRequestOrBuilder.java
@@ -63,11 +63,17 @@ public interface GetPageRequestOrBuilder
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -87,11 +93,17 @@ public interface GetPageRequestOrBuilder
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequest.java
index 0ab0c1501..3661dd68c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequest.java
@@ -183,9 +183,11 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -213,9 +215,11 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -710,9 +714,11 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -739,9 +745,11 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -768,9 +776,11 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -796,9 +806,11 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -820,9 +832,11 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequestOrBuilder.java
index 31923957d..79e836958 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetTransitionRouteGroupRequestOrBuilder.java
@@ -60,9 +60,11 @@ public interface GetTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -79,9 +81,11 @@ public interface GetTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequest.java
new file mode 100644
index 000000000..558acaedb
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequest.java
@@ -0,0 +1,1452 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+/**
+ *
+ *
+ * <pre>
+ * The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3.ImportFlowRequest}
+ */
+public final class ImportFlowRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3.ImportFlowRequest)
+    ImportFlowRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ImportFlowRequest.newBuilder() to construct.
+  private ImportFlowRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImportFlowRequest() {
+    parent_ = "";
+    importOption_ = 0;
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ImportFlowRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ImportFlowRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              parent_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              flowCase_ = 2;
+              flow_ = s;
+              break;
+            }
+          case 26:
+            {
+              flowCase_ = 3;
+              flow_ = input.readBytes();
+              break;
+            }
+          case 32:
+            {
+              int rawValue = input.readEnum();
+
+              importOption_ = rawValue;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.class,
+            com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Import option.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption}
+   */
+  public enum ImportOption implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified. Treated as `KEEP`.
+     * </pre>
+     *
+     * <code>IMPORT_OPTION_UNSPECIFIED = 0;</code>
+     */
+    IMPORT_OPTION_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Always respect settings in exported flow content. It may cause a
+     * import failure if some settings (e.g. custom NLU) are not supported in
+     * the agent to import into.
+     * </pre>
+     *
+     * <code>KEEP = 1;</code>
+     */
+    KEEP(1),
+    /**
+     *
+     *
+     * <pre>
+     * Fallback to default settings if some settings are not supported in the
+     * agent to import into. E.g. Standard NLU will be used if custom NLU is
+     * not available.
+     * </pre>
+     *
+     * <code>FALLBACK = 2;</code>
+     */
+    FALLBACK(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified. Treated as `KEEP`.
+     * </pre>
+     *
+     * <code>IMPORT_OPTION_UNSPECIFIED = 0;</code>
+     */
+    public static final int IMPORT_OPTION_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Always respect settings in exported flow content. It may cause a
+     * import failure if some settings (e.g. custom NLU) are not supported in
+     * the agent to import into.
+     * </pre>
+     *
+     * <code>KEEP = 1;</code>
+     */
+    public static final int KEEP_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * Fallback to default settings if some settings are not supported in the
+     * agent to import into. E.g. Standard NLU will be used if custom NLU is
+     * not available.
+     * </pre>
+     *
+     * <code>FALLBACK = 2;</code>
+     */
+    public static final int FALLBACK_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ImportOption valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static ImportOption forNumber(int value) {
+      switch (value) {
+        case 0:
+          return IMPORT_OPTION_UNSPECIFIED;
+        case 1:
+          return KEEP;
+        case 2:
+          return FALLBACK;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<ImportOption> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<ImportOption> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<ImportOption>() {
+          public ImportOption findValueByNumber(int number) {
+            return ImportOption.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final ImportOption[] VALUES = values();
+
+    public static ImportOption valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private ImportOption(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption)
+  }
+
+  private int flowCase_ = 0;
+  private java.lang.Object flow_;
+
+  public enum FlowCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FLOW_URI(2),
+    FLOW_CONTENT(3),
+    FLOW_NOT_SET(0);
+    private final int value;
+
+    private FlowCase(int value) {
+      this.value = value;
+    }
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static FlowCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static FlowCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return FLOW_URI;
+        case 3:
+          return FLOW_CONTENT;
+        case 0:
+          return FLOW_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public FlowCase getFlowCase() {
+    return FlowCase.forNumber(flowCase_);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+  private volatile java.lang.Object parent_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  public boolean hasFlowUri() {
+    return flowCase_ == 2;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The flowUri.
+   */
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 2) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (flowCase_ == 2) {
+        flow_ = s;
+      }
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 2) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (flowCase_ == 2) {
+        flow_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_CONTENT_FIELD_NUMBER = 3;
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  @java.lang.Override
+  public boolean hasFlowContent() {
+    return flowCase_ == 3;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return The flowContent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowContent() {
+    if (flowCase_ == 3) {
+      return (com.google.protobuf.ByteString) flow_;
+    }
+    return com.google.protobuf.ByteString.EMPTY;
+  }
+
+  public static final int IMPORT_OPTION_FIELD_NUMBER = 4;
+  private int importOption_;
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+   *
+   * @return The enum numeric value on the wire for importOption.
+   */
+  @java.lang.Override
+  public int getImportOptionValue() {
+    return importOption_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+   *
+   * @return The importOption.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption getImportOption() {
+    @SuppressWarnings("deprecation")
+    com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption result =
+        com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption.valueOf(importOption_);
+    return result == null
+        ? com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption.UNRECOGNIZED
+        : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getParentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    }
+    if (flowCase_ == 2) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, flow_);
+    }
+    if (flowCase_ == 3) {
+      output.writeBytes(3, (com.google.protobuf.ByteString) flow_);
+    }
+    if (importOption_
+        != com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption
+            .IMPORT_OPTION_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(4, importOption_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getParentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    }
+    if (flowCase_ == 2) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, flow_);
+    }
+    if (flowCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBytesSize(
+              3, (com.google.protobuf.ByteString) flow_);
+    }
+    if (importOption_
+        != com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption
+            .IMPORT_OPTION_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, importOption_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3.ImportFlowRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3.ImportFlowRequest other =
+        (com.google.cloud.dialogflow.cx.v3.ImportFlowRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (importOption_ != other.importOption_) return false;
+    if (!getFlowCase().equals(other.getFlowCase())) return false;
+    switch (flowCase_) {
+      case 2:
+        if (!getFlowUri().equals(other.getFlowUri())) return false;
+        break;
+      case 3:
+        if (!getFlowContent().equals(other.getFlowContent())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    hash = (37 * hash) + IMPORT_OPTION_FIELD_NUMBER;
+    hash = (53 * hash) + importOption_;
+    switch (flowCase_) {
+      case 2:
+        hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowUri().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + FLOW_CONTENT_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowContent().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.dialogflow.cx.v3.ImportFlowRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3.ImportFlowRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3.ImportFlowRequest)
+      com.google.cloud.dialogflow.cx.v3.ImportFlowRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.class,
+              com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      parent_ = "";
+
+      importOption_ = 0;
+
+      flowCase_ = 0;
+      flow_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest build() {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest buildPartial() {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowRequest result =
+          new com.google.cloud.dialogflow.cx.v3.ImportFlowRequest(this);
+      result.parent_ = parent_;
+      if (flowCase_ == 2) {
+        result.flow_ = flow_;
+      }
+      if (flowCase_ == 3) {
+        result.flow_ = flow_;
+      }
+      result.importOption_ = importOption_;
+      result.flowCase_ = flowCase_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3.ImportFlowRequest) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3.ImportFlowRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.ImportFlowRequest other) {
+      if (other == com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.getDefaultInstance())
+        return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        onChanged();
+      }
+      if (other.importOption_ != 0) {
+        setImportOptionValue(other.getImportOptionValue());
+      }
+      switch (other.getFlowCase()) {
+        case FLOW_URI:
+          {
+            flowCase_ = 2;
+            flow_ = other.flow_;
+            onChanged();
+            break;
+          }
+        case FLOW_CONTENT:
+          {
+            setFlowContent(other.getFlowContent());
+            break;
+          }
+        case FLOW_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3.ImportFlowRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int flowCase_ = 0;
+    private java.lang.Object flow_;
+
+    public FlowCase getFlowCase() {
+      return FlowCase.forNumber(flowCase_);
+    }
+
+    public Builder clearFlow() {
+      flowCase_ = 0;
+      flow_ = null;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object parent_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+
+      parent_ = getDefaultInstance().getParent();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return Whether the flowUri field is set.
+     */
+    @java.lang.Override
+    public boolean hasFlowUri() {
+      return flowCase_ == 2;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return The flowUri.
+     */
+    @java.lang.Override
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 2) {
+        ref = flow_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (flowCase_ == 2) {
+          flow_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 2) {
+        ref = flow_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (flowCase_ == 2) {
+          flow_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+      if (flowCase_ == 2) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return Whether the flowContent field is set.
+     */
+    public boolean hasFlowContent() {
+      return flowCase_ == 3;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return The flowContent.
+     */
+    public com.google.protobuf.ByteString getFlowContent() {
+      if (flowCase_ == 3) {
+        return (com.google.protobuf.ByteString) flow_;
+      }
+      return com.google.protobuf.ByteString.EMPTY;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @param value The flowContent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowContent(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 3;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowContent() {
+      if (flowCase_ == 3) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    private int importOption_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+     *
+     * @return The enum numeric value on the wire for importOption.
+     */
+    @java.lang.Override
+    public int getImportOptionValue() {
+      return importOption_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+     *
+     * @param value The enum numeric value on the wire for importOption to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImportOptionValue(int value) {
+
+      importOption_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+     *
+     * @return The importOption.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption getImportOption() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption result =
+          com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption.valueOf(importOption_);
+      return result == null
+          ? com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+     *
+     * @param value The importOption to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImportOption(
+        com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      importOption_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearImportOption() {
+
+      importOption_ = 0;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3.ImportFlowRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3.ImportFlowRequest)
+  private static final com.google.cloud.dialogflow.cx.v3.ImportFlowRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3.ImportFlowRequest();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImportFlowRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ImportFlowRequest>() {
+        @java.lang.Override
+        public ImportFlowRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ImportFlowRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImportFlowRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImportFlowRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequestOrBuilder.java
new file mode 100644
index 000000000..89cb0ba9b
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequestOrBuilder.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+public interface ImportFlowRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3.ImportFlowRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  boolean hasFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  boolean hasFlowContent();
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return The flowContent.
+   */
+  com.google.protobuf.ByteString getFlowContent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+   *
+   * @return The enum numeric value on the wire for importOption.
+   */
+  int getImportOptionValue();
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption import_option = 4;</code>
+   *
+   * @return The importOption.
+   */
+  com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.ImportOption getImportOption();
+
+  public com.google.cloud.dialogflow.cx.v3.ImportFlowRequest.FlowCase getFlowCase();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponse.java
new file mode 100644
index 000000000..e7da1fea1
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponse.java
@@ -0,0 +1,650 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+/**
+ *
+ *
+ * <pre>
+ * The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3.ImportFlowResponse}
+ */
+public final class ImportFlowResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3.ImportFlowResponse)
+    ImportFlowResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ImportFlowResponse.newBuilder() to construct.
+  private ImportFlowResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImportFlowResponse() {
+    flow_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ImportFlowResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ImportFlowResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              flow_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.class,
+            com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.Builder.class);
+  }
+
+  public static final int FLOW_FIELD_NUMBER = 1;
+  private volatile java.lang.Object flow_;
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The flow.
+   */
+  @java.lang.Override
+  public java.lang.String getFlow() {
+    java.lang.Object ref = flow_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      flow_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for flow.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowBytes() {
+    java.lang.Object ref = flow_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      flow_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getFlowBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, flow_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getFlowBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, flow_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3.ImportFlowResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3.ImportFlowResponse other =
+        (com.google.cloud.dialogflow.cx.v3.ImportFlowResponse) obj;
+
+    if (!getFlow().equals(other.getFlow())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + FLOW_FIELD_NUMBER;
+    hash = (53 * hash) + getFlow().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.dialogflow.cx.v3.ImportFlowResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3.ImportFlowResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3.ImportFlowResponse)
+      com.google.cloud.dialogflow.cx.v3.ImportFlowResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.class,
+              com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      flow_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3_ImportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowResponse getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowResponse build() {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3.ImportFlowResponse buildPartial() {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowResponse result =
+          new com.google.cloud.dialogflow.cx.v3.ImportFlowResponse(this);
+      result.flow_ = flow_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3.ImportFlowResponse) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3.ImportFlowResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3.ImportFlowResponse other) {
+      if (other == com.google.cloud.dialogflow.cx.v3.ImportFlowResponse.getDefaultInstance())
+        return this;
+      if (!other.getFlow().isEmpty()) {
+        flow_ = other.flow_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3.ImportFlowResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3.ImportFlowResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object flow_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The flow.
+     */
+    public java.lang.String getFlow() {
+      java.lang.Object ref = flow_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        flow_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The bytes for flow.
+     */
+    public com.google.protobuf.ByteString getFlowBytes() {
+      java.lang.Object ref = flow_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        flow_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The flow to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlow(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlow() {
+
+      flow_ = getDefaultInstance().getFlow();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The bytes for flow to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3.ImportFlowResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3.ImportFlowResponse)
+  private static final com.google.cloud.dialogflow.cx.v3.ImportFlowResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3.ImportFlowResponse();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3.ImportFlowResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImportFlowResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ImportFlowResponse>() {
+        @java.lang.Override
+        public ImportFlowResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ImportFlowResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImportFlowResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImportFlowResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3.ImportFlowResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponseOrBuilder.java
new file mode 100644
index 000000000..ab2ca17cc
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponseOrBuilder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3;
+
+public interface ImportFlowResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3.ImportFlowResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The flow.
+   */
+  java.lang.String getFlow();
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for flow.
+   */
+  com.google.protobuf.ByteString getFlowBytes();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequest.java
index 862db9f57..17915833e 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequest.java
@@ -264,7 +264,9 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -295,7 +297,9 @@ public java.lang.String getLanguageCode() {
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -975,7 +979,9 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1005,7 +1011,9 @@ public java.lang.String getLanguageCode() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1035,7 +1043,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1064,7 +1074,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1089,7 +1101,9 @@ public Builder clearLanguageCode() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequestOrBuilder.java
index ad7311164..2473c8496 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListFlowsRequestOrBuilder.java
@@ -100,7 +100,9 @@ public interface ListFlowsRequestOrBuilder
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -120,7 +122,9 @@ public interface ListFlowsRequestOrBuilder
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequest.java
index ea50077a2..423d1c1d7 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequest.java
@@ -198,11 +198,17 @@ public com.google.protobuf.ByteString getParentBytes() {
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -233,11 +239,17 @@ public java.lang.String getLanguageCode() {
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -829,11 +841,17 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -863,11 +881,17 @@ public java.lang.String getLanguageCode() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -897,11 +921,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -930,11 +960,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -959,11 +995,17 @@ public Builder clearLanguageCode() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequestOrBuilder.java
index a67f076dc..3b5907ecf 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListPagesRequestOrBuilder.java
@@ -63,11 +63,17 @@ public interface ListPagesRequestOrBuilder
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -87,11 +93,17 @@ public interface ListPagesRequestOrBuilder
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequest.java
index d6cb945dc..f9a2add7c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequest.java
@@ -264,9 +264,11 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -294,9 +296,11 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -987,9 +991,11 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1016,9 +1022,11 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1045,9 +1053,11 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1073,9 +1083,11 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1097,9 +1109,11 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequestOrBuilder.java
index 60c1abaee..f8ecc3991 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ListTransitionRouteGroupsRequestOrBuilder.java
@@ -99,9 +99,11 @@ public interface ListTransitionRouteGroupsRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -118,9 +120,11 @@ public interface ListTransitionRouteGroupsRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequest.java
index a077b9e3b..26957072a 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequest.java
@@ -122,7 +122,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -149,7 +149,7 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -179,10 +179,10 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * This field is used to prevent accidental overwrite of other agent resources
-   * in the draft version, which can potentially impact other flow's behavior.
-   * If `allow_override_agent_resources` is false, conflicted agent-level
-   * resources will not be overridden (i.e. intents, entities, webhooks).
+   * This field is used to prevent accidental overwrite of other agent
+   * resources, which can potentially impact other flow's behavior. If
+   * `allow_override_agent_resources` is false, conflicted agent-level resources
+   * will not be overridden (i.e. intents, entities, webhooks).
    * </pre>
    *
    * <code>bool allow_override_agent_resources = 2;</code>
@@ -533,7 +533,7 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -559,7 +559,7 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -585,7 +585,7 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -610,7 +610,7 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -631,7 +631,7 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -659,10 +659,10 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
@@ -677,10 +677,10 @@ public boolean getAllowOverrideAgentResources() {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
@@ -698,10 +698,10 @@ public Builder setAllowOverrideAgentResources(boolean value) {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequestOrBuilder.java
index 714f49356..c49090cfc 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LoadVersionRequestOrBuilder.java
@@ -27,7 +27,7 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -43,7 +43,7 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -60,10 +60,10 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * This field is used to prevent accidental overwrite of other agent resources
-   * in the draft version, which can potentially impact other flow's behavior.
-   * If `allow_override_agent_resources` is false, conflicted agent-level
-   * resources will not be overridden (i.e. intents, entities, webhooks).
+   * This field is used to prevent accidental overwrite of other agent
+   * resources, which can potentially impact other flow's behavior. If
+   * `allow_override_agent_resources` is false, conflicted agent-level resources
+   * will not be overridden (i.e. intents, entities, webhooks).
    * </pre>
    *
    * <code>bool allow_override_agent_resources = 2;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Match.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Match.java
index cede0d489..7cfcd2653 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Match.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/Match.java
@@ -414,9 +414,10 @@ private MatchType(int value) {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -431,9 +432,10 @@ public boolean hasIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -450,9 +452,10 @@ public com.google.cloud.dialogflow.cx.v3.Intent getIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1140,9 +1143,10 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1156,9 +1160,10 @@ public boolean hasIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1178,9 +1183,10 @@ public com.google.cloud.dialogflow.cx.v3.Intent getIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1202,9 +1208,10 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1223,9 +1230,10 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3.Intent.Builder builde
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1251,9 +1259,10 @@ public Builder mergeIntent(com.google.cloud.dialogflow.cx.v3.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1273,9 +1282,10 @@ public Builder clearIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1289,9 +1299,10 @@ public com.google.cloud.dialogflow.cx.v3.Intent.Builder getIntentBuilder() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -1309,9 +1320,10 @@ public com.google.cloud.dialogflow.cx.v3.IntentOrBuilder getIntentOrBuilder() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+     * Some, not all fields are filled in this message, including but not limited
+     * to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponse.java
index 8b673efcd..7db3c1d63 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponse.java
@@ -221,8 +221,8 @@ public QueryCase getQueryCase() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -236,8 +236,8 @@ public boolean hasText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -264,8 +264,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -294,9 +294,9 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -311,9 +311,9 @@ public boolean hasTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -341,9 +341,9 @@ public java.lang.String getTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -373,7 +373,8 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -388,7 +389,8 @@ public boolean hasTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -416,7 +418,8 @@ public java.lang.String getTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -446,8 +449,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -461,8 +464,8 @@ public boolean hasTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -489,8 +492,8 @@ public java.lang.String getTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -594,8 +597,9 @@ public com.google.cloud.dialogflow.cx.v3.MatchOrBuilder getMatchesOrBuilder(int
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -610,8 +614,9 @@ public boolean hasCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -628,8 +633,9 @@ public com.google.cloud.dialogflow.cx.v3.Page getCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -1156,8 +1162,8 @@ public Builder clearQuery() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1172,8 +1178,8 @@ public boolean hasText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1201,8 +1207,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1230,8 +1236,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1252,8 +1258,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1272,8 +1278,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1296,9 +1302,9 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1314,9 +1320,9 @@ public boolean hasTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1345,9 +1351,9 @@ public java.lang.String getTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1376,9 +1382,9 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1400,9 +1406,9 @@ public Builder setTriggerIntent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1422,9 +1428,9 @@ public Builder clearTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -1448,7 +1454,8 @@ public Builder setTriggerIntentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1464,7 +1471,8 @@ public boolean hasTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1493,7 +1501,8 @@ public java.lang.String getTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1522,7 +1531,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1544,7 +1554,8 @@ public Builder setTranscript(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1564,7 +1575,8 @@ public Builder clearTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -1588,8 +1600,8 @@ public Builder setTranscriptBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1604,8 +1616,8 @@ public boolean hasTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1633,8 +1645,8 @@ public java.lang.String getTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1662,8 +1674,8 @@ public com.google.protobuf.ByteString getTriggerEventBytes() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1684,8 +1696,8 @@ public Builder setTriggerEvent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1704,8 +1716,8 @@ public Builder clearTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -2100,8 +2112,9 @@ public java.util.List<com.google.cloud.dialogflow.cx.v3.Match.Builder> getMatche
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2115,8 +2128,9 @@ public boolean hasCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2136,8 +2150,9 @@ public com.google.cloud.dialogflow.cx.v3.Page getCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2159,8 +2174,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3.Page value) {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2179,8 +2195,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3.Page.Builder bui
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2206,8 +2223,9 @@ public Builder mergeCurrentPage(com.google.cloud.dialogflow.cx.v3.Page value) {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2227,8 +2245,9 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2242,8 +2261,9 @@ public com.google.cloud.dialogflow.cx.v3.Page.Builder getCurrentPageBuilder() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -2261,8 +2281,9 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getCurrentPageOrBuilder()
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponseOrBuilder.java
index 22a27edb4..2b887e8f4 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchIntentResponseOrBuilder.java
@@ -27,8 +27,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -40,8 +40,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -53,8 +53,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -67,9 +67,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -82,9 +82,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -97,9 +97,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -113,7 +113,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -126,7 +127,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -139,7 +141,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -153,8 +156,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -166,8 +169,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -179,8 +182,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -250,8 +253,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -263,8 +267,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
@@ -276,8 +281,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 5;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchOrBuilder.java
index 30ddca277..cf498b0bd 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/MatchOrBuilder.java
@@ -27,9 +27,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -41,9 +42,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
@@ -55,9 +57,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+   * Some, not all fields are filled in this message, including but not limited
+   * to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 1;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParameters.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParameters.java
index cdf647298..c81a58552 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParameters.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParameters.java
@@ -413,6 +413,17 @@ public com.google.cloud.dialogflow.cx.v3.SessionEntityType getSessionEntityTypes
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -429,6 +440,17 @@ public boolean hasPayload() {
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -445,6 +467,17 @@ public com.google.protobuf.Struct getPayload() {
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -554,16 +587,18 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-   * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-   * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+   * override the [current page][QueryResult.current_page] in the session.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+   * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -586,16 +621,18 @@ public java.lang.String getCurrentPage() {
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-   * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-   * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+   * override the [current page][QueryResult.current_page] in the session.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+   * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2055,6 +2092,17 @@ public com.google.cloud.dialogflow.cx.v3.SessionEntityType.Builder addSessionEnt
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2070,6 +2118,17 @@ public boolean hasPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2089,6 +2148,17 @@ public com.google.protobuf.Struct getPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2112,6 +2182,17 @@ public Builder setPayload(com.google.protobuf.Struct value) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2132,6 +2213,17 @@ public Builder setPayload(com.google.protobuf.Struct.Builder builderForValue) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2157,6 +2249,17 @@ public Builder mergePayload(com.google.protobuf.Struct value) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2178,6 +2281,17 @@ public Builder clearPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2193,6 +2307,17 @@ public com.google.protobuf.Struct.Builder getPayloadBuilder() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2210,6 +2335,17 @@ public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2559,16 +2695,18 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-     * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-     * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+     * override the [current page][QueryResult.current_page] in the session.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+     * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2590,16 +2728,18 @@ public java.lang.String getCurrentPage() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-     * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-     * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+     * override the [current page][QueryResult.current_page] in the session.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+     * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2621,16 +2761,18 @@ public com.google.protobuf.ByteString getCurrentPageBytes() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-     * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-     * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+     * override the [current page][QueryResult.current_page] in the session.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+     * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2651,16 +2793,18 @@ public Builder setCurrentPage(java.lang.String value) {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-     * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-     * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+     * override the [current page][QueryResult.current_page] in the session.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+     * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2677,16 +2821,18 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-     * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-     * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+     * override the [current page][QueryResult.current_page] in the session.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+     * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParametersOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParametersOrBuilder.java
index 7c8f54f8a..f884457fd 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParametersOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryParametersOrBuilder.java
@@ -163,6 +163,17 @@ com.google.cloud.dialogflow.cx.v3.SessionEntityTypeOrBuilder getSessionEntityTyp
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -176,6 +187,17 @@ com.google.cloud.dialogflow.cx.v3.SessionEntityTypeOrBuilder getSessionEntityTyp
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -189,6 +211,17 @@ com.google.cloud.dialogflow.cx.v3.SessionEntityTypeOrBuilder getSessionEntityTyp
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -282,16 +315,18 @@ com.google.cloud.dialogflow.cx.v3.SessionEntityTypeOrBuilder getSessionEntityTyp
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-   * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-   * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+   * override the [current page][QueryResult.current_page] in the session.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+   * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -303,16 +338,18 @@ com.google.cloud.dialogflow.cx.v3.SessionEntityTypeOrBuilder getSessionEntityTyp
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-   * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
-   * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
+   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+   * override the [current page][QueryResult.current_page] in the session.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+   * and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResult.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResult.java
index 674551c91..4e7aa98c0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResult.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResult.java
@@ -343,8 +343,8 @@ public QueryCase getQueryCase() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -358,8 +358,8 @@ public boolean hasText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -386,8 +386,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -416,9 +416,9 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -433,9 +433,9 @@ public boolean hasTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -463,9 +463,9 @@ public java.lang.String getTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -495,7 +495,8 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -510,7 +511,8 @@ public boolean hasTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -538,7 +540,8 @@ public java.lang.String getTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -568,8 +571,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -583,8 +586,8 @@ public boolean hasTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -611,8 +614,8 @@ public java.lang.String getTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -697,7 +700,8 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -725,7 +729,8 @@ public boolean hasParameters() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -753,7 +758,8 @@ public com.google.protobuf.Struct getParameters() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -932,8 +938,9 @@ public com.google.rpc.StatusOrBuilder getWebhookStatusesOrBuilder(int index) {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -947,8 +954,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -963,8 +971,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -978,8 +987,9 @@ public int getWebhookPayloadsCount() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -993,8 +1003,9 @@ public com.google.protobuf.Struct getWebhookPayloads(int index) {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -1011,8 +1022,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -1027,8 +1039,9 @@ public boolean hasCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -1045,8 +1058,9 @@ public com.google.cloud.dialogflow.cx.v3.Page getCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -1062,10 +1076,12 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getCurrentPageOrBuilder()
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -1081,10 +1097,12 @@ public boolean hasIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -1102,10 +1120,12 @@ public com.google.cloud.dialogflow.cx.v3.Intent getIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -1128,7 +1148,9 @@ public com.google.cloud.dialogflow.cx.v3.IntentOrBuilder getIntentOrBuilder() {
    * help match the best intent within the classification threshold.
    * This value may change for the same end-user expression at any time due to a
    * model retraining or change in implementation.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * This field is deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -1249,7 +1271,8 @@ public com.google.protobuf.StructOrBuilder getDiagnosticInfoOrBuilder() {
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -1267,7 +1290,8 @@ public boolean hasSentimentAnalysisResult() {
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -1287,7 +1311,8 @@ public com.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult getSentimentAna
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -2095,8 +2120,8 @@ public Builder clearQuery() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2111,8 +2136,8 @@ public boolean hasText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2140,8 +2165,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2169,8 +2194,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2191,8 +2216,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2211,8 +2236,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+     * provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2235,9 +2260,9 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2253,9 +2278,9 @@ public boolean hasTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2284,9 +2309,9 @@ public java.lang.String getTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2315,9 +2340,9 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2339,9 +2364,9 @@ public Builder setTriggerIntent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2361,9 +2386,9 @@ public Builder clearTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+     * input, this field will contain a copy of the intent identifier. Format:
+     * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
@@ -2387,7 +2412,8 @@ public Builder setTriggerIntentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2403,7 +2429,8 @@ public boolean hasTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2432,7 +2459,8 @@ public java.lang.String getTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2461,7 +2489,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2483,7 +2512,8 @@ public Builder setTranscript(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2503,7 +2533,8 @@ public Builder clearTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
      * this field will contain the transcript for the audio.
      * </pre>
      *
@@ -2527,8 +2558,8 @@ public Builder setTranscriptBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2543,8 +2574,8 @@ public boolean hasTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2572,8 +2603,8 @@ public java.lang.String getTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2601,8 +2632,8 @@ public com.google.protobuf.ByteString getTriggerEventBytes() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2623,8 +2654,8 @@ public Builder setTriggerEvent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2643,8 +2674,8 @@ public Builder clearTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+     * input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2794,7 +2825,8 @@ public Builder setLanguageCodeBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2821,7 +2853,8 @@ public boolean hasParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2852,7 +2885,8 @@ public com.google.protobuf.Struct getParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2887,7 +2921,8 @@ public Builder setParameters(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2919,7 +2954,8 @@ public Builder setParameters(com.google.protobuf.Struct.Builder builderForValue)
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2956,7 +2992,8 @@ public Builder mergeParameters(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2989,7 +3026,8 @@ public Builder clearParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3016,7 +3054,8 @@ public com.google.protobuf.Struct.Builder getParametersBuilder() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3045,7 +3084,8 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3843,8 +3883,9 @@ private void ensureWebhookPayloadsIsMutable() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3861,8 +3902,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3879,8 +3921,9 @@ public int getWebhookPayloadsCount() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3897,8 +3940,9 @@ public com.google.protobuf.Struct getWebhookPayloads(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3921,8 +3965,9 @@ public Builder setWebhookPayloads(int index, com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3943,8 +3988,9 @@ public Builder setWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3967,8 +4013,9 @@ public Builder addWebhookPayloads(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3991,8 +4038,9 @@ public Builder addWebhookPayloads(int index, com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4012,8 +4060,9 @@ public Builder addWebhookPayloads(com.google.protobuf.Struct.Builder builderForV
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4034,8 +4083,9 @@ public Builder addWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4056,8 +4106,9 @@ public Builder addAllWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4077,8 +4128,9 @@ public Builder clearWebhookPayloads() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4098,8 +4150,9 @@ public Builder removeWebhookPayloads(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4112,8 +4165,9 @@ public com.google.protobuf.Struct.Builder getWebhookPayloadsBuilder(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4130,8 +4184,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4149,8 +4204,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4164,8 +4220,9 @@ public com.google.protobuf.Struct.Builder addWebhookPayloadsBuilder() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4179,8 +4236,9 @@ public com.google.protobuf.Struct.Builder addWebhookPayloadsBuilder(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4220,8 +4278,9 @@ public java.util.List<com.google.protobuf.Struct.Builder> getWebhookPayloadsBuil
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4235,8 +4294,9 @@ public boolean hasCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4256,8 +4316,9 @@ public com.google.cloud.dialogflow.cx.v3.Page getCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4279,8 +4340,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3.Page value) {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4299,8 +4361,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3.Page.Builder bui
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4326,8 +4389,9 @@ public Builder mergeCurrentPage(com.google.cloud.dialogflow.cx.v3.Page value) {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4347,8 +4411,9 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4362,8 +4427,9 @@ public com.google.cloud.dialogflow.cx.v3.Page.Builder getCurrentPageBuilder() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4381,8 +4447,9 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getCurrentPageOrBuilder()
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -4414,10 +4481,12 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getCurrentPageOrBuilder()
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4432,10 +4501,12 @@ public boolean hasIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4456,10 +4527,12 @@ public com.google.cloud.dialogflow.cx.v3.Intent getIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4482,10 +4555,12 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4505,10 +4580,12 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3.Intent.Builder builde
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4535,10 +4612,12 @@ public Builder mergeIntent(com.google.cloud.dialogflow.cx.v3.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4559,10 +4638,12 @@ public Builder clearIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4577,10 +4658,12 @@ public com.google.cloud.dialogflow.cx.v3.Intent.Builder getIntentBuilder() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4599,10 +4682,12 @@ public com.google.cloud.dialogflow.cx.v3.IntentOrBuilder getIntentOrBuilder() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -4635,7 +4720,9 @@ public com.google.cloud.dialogflow.cx.v3.IntentOrBuilder getIntentOrBuilder() {
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -4657,7 +4744,9 @@ public float getIntentDetectionConfidence() {
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -4682,7 +4771,9 @@ public Builder setIntentDetectionConfidence(float value) {
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -5097,7 +5188,8 @@ public com.google.protobuf.StructOrBuilder getDiagnosticInfoOrBuilder() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5114,7 +5206,8 @@ public boolean hasSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5137,7 +5230,8 @@ public com.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult getSentimentAna
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5163,7 +5257,8 @@ public Builder setSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5186,7 +5281,8 @@ public Builder setSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5217,7 +5313,8 @@ public Builder mergeSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5240,7 +5337,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5258,7 +5356,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -5280,7 +5379,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResultOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResultOrBuilder.java
index 9035761f8..6953218e0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResultOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/QueryResultOrBuilder.java
@@ -27,8 +27,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -40,8 +40,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -53,8 +53,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+   * provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -67,9 +67,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -82,9 +82,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -97,9 +97,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+   * input, this field will contain a copy of the intent identifier. Format:
+   * `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
@@ -113,7 +113,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -126,7 +127,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -139,7 +141,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
    * this field will contain the transcript for the audio.
    * </pre>
    *
@@ -153,8 +156,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -166,8 +169,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -179,8 +182,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+   * input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -224,7 +227,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -249,7 +253,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -274,7 +279,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -412,8 +418,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -424,8 +431,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -436,8 +444,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -448,8 +457,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -460,8 +470,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -473,8 +484,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -486,8 +498,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -499,8 +512,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Page current_page = 7;</code>
@@ -511,10 +525,12 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -527,10 +543,12 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -543,10 +561,12 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.Intent intent = 8 [deprecated = true];</code>
@@ -564,7 +584,9 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    * help match the best intent within the classification threshold.
    * This value may change for the same end-user expression at any time due to a
    * model retraining or change in implementation.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+   * This field is deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -656,7 +678,8 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -671,7 +694,8 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
@@ -686,7 +710,8 @@ com.google.cloud.dialogflow.cx.v3.ResponseMessageOrBuilder getResponseMessagesOr
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3.SentimentAnalysisResult sentiment_analysis_result = 17;
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionProto.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionProto.java
index 1d042f220..5e0654142 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionProto.java
@@ -118,19 +118,19 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     java.lang.String[] descriptorData = {
       "\n+google/cloud/dialogflow/cx/v3/session."
           + "proto\022\035google.cloud.dialogflow.cx.v3\032\034go"
-          + "ogle/api/annotations.proto\032\037google/api/f"
-          + "ield_behavior.proto\032\031google/api/resource"
-          + ".proto\0320google/cloud/dialogflow/cx/v3/au"
-          + "dio_config.proto\032(google/cloud/dialogflo"
-          + "w/cx/v3/flow.proto\032*google/cloud/dialogf"
-          + "low/cx/v3/intent.proto\032(google/cloud/dia"
-          + "logflow/cx/v3/page.proto\0324google/cloud/d"
-          + "ialogflow/cx/v3/response_message.proto\0327"
-          + "google/cloud/dialogflow/cx/v3/session_en"
-          + "tity_type.proto\032\036google/protobuf/duratio"
-          + "n.proto\032\034google/protobuf/struct.proto\032\027g"
-          + "oogle/rpc/status.proto\032\030google/type/latl"
-          + "ng.proto\032\027google/api/client.proto\"\253\002\n\023De"
+          + "ogle/api/annotations.proto\032\027google/api/c"
+          + "lient.proto\032\037google/api/field_behavior.p"
+          + "roto\032\031google/api/resource.proto\0320google/"
+          + "cloud/dialogflow/cx/v3/audio_config.prot"
+          + "o\032(google/cloud/dialogflow/cx/v3/flow.pr"
+          + "oto\032*google/cloud/dialogflow/cx/v3/inten"
+          + "t.proto\032(google/cloud/dialogflow/cx/v3/p"
+          + "age.proto\0324google/cloud/dialogflow/cx/v3"
+          + "/response_message.proto\0327google/cloud/di"
+          + "alogflow/cx/v3/session_entity_type.proto"
+          + "\032\036google/protobuf/duration.proto\032\034google"
+          + "/protobuf/struct.proto\032\027google/rpc/statu"
+          + "s.proto\032\030google/type/latlng.proto\"\253\002\n\023De"
           + "tectIntentRequest\022:\n\007session\030\001 \001(\tB)\340A\002\372"
           + "A#\n!dialogflow.googleapis.com/Session\022D\n"
           + "\014query_params\030\002 \001(\0132..google.cloud.dialo"
@@ -296,6 +296,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.AnnotationsProto.getDescriptor(),
+              com.google.api.ClientProto.getDescriptor(),
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.dialogflow.cx.v3.AudioConfigProto.getDescriptor(),
@@ -308,7 +309,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.StructProto.getDescriptor(),
               com.google.rpc.StatusProto.getDescriptor(),
               com.google.type.LatLngProto.getDescriptor(),
-              com.google.api.ClientProto.getDescriptor(),
             });
     internal_static_google_cloud_dialogflow_cx_v3_DetectIntentRequest_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -518,6 +518,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.dialogflow.cx.v3.AudioConfigProto.getDescriptor();
@@ -530,7 +531,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.StructProto.getDescriptor();
     com.google.rpc.StatusProto.getDescriptor();
     com.google.type.LatLngProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentRequest.java
index 07ce37ea6..6d25ea28c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentRequest.java
@@ -23,21 +23,26 @@
  *
  * <pre>
  * The top-level message sent by the client to the
- * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent] method.
+ * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent]
+ * method.
  * Multiple request messages should be sent in order:
  * 1.  The first message must contain
  * [session][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.session],
- *     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] plus optionally
- *     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params]. If the client
- *     wants to receive an audio response, it should also contain
+ *     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+ *     plus optionally
+ *     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params].
+ *     If the client wants to receive an audio response, it should also contain
  *     [output_audio_config][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.output_audio_config].
- * 2.  If [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] was set to
- *     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config], all subsequent messages
- *     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio] to continue with
- *     Speech recognition.
- *     If you decide to rather detect an intent from text
- *     input after you already started Speech recognition, please send a message
- *     with [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
+ * 2.  If
+ * [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+ * was set to
+ *     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config],
+ *     all subsequent messages must contain
+ *     [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio]
+ *     to continue with Speech recognition. If you decide to rather detect an
+ *     intent from text input after you already started Speech recognition,
+ *     please send a message with
+ *     [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
  *     However, note that:
  *     * Dialogflow will bill you for the audio duration so far.
  *     * Dialogflow discards all Speech recognition results in favor of the
@@ -617,21 +622,26 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * <pre>
    * The top-level message sent by the client to the
-   * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent] method.
+   * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent]
+   * method.
    * Multiple request messages should be sent in order:
    * 1.  The first message must contain
    * [session][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.session],
-   *     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] plus optionally
-   *     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params]. If the client
-   *     wants to receive an audio response, it should also contain
+   *     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+   *     plus optionally
+   *     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params].
+   *     If the client wants to receive an audio response, it should also contain
    *     [output_audio_config][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.output_audio_config].
-   * 2.  If [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] was set to
-   *     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config], all subsequent messages
-   *     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio] to continue with
-   *     Speech recognition.
-   *     If you decide to rather detect an intent from text
-   *     input after you already started Speech recognition, please send a message
-   *     with [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
+   * 2.  If
+   * [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+   * was set to
+   *     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config],
+   *     all subsequent messages must contain
+   *     [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio]
+   *     to continue with Speech recognition. If you decide to rather detect an
+   *     intent from text input after you already started Speech recognition,
+   *     please send a message with
+   *     [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
    *     However, note that:
    *     * Dialogflow will bill you for the audio duration so far.
    *     * Dialogflow discards all Speech recognition results in favor of the
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentResponse.java
index cf69116b8..7de422f30 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingDetectIntentResponse.java
@@ -28,7 +28,12 @@
  *     contain `recognition_result`. Each `recognition_result` represents a more
  *     complete transcript of what the user said. The last `recognition_result`
  *     has `is_final` set to `true`.
- * 2.  The last message contains `detect_intent_response`.
+ * 2.  If `enable_partial_response` is true, the following N messages
+ *     (currently 1 &lt;= N &lt;= 4) contain `detect_intent_response`. The first (N-1)
+ *     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+ *     The last `detect_intent_response` has `response_type` set to `FINAL`.
+ *     If `response_type` is false, response stream only contains
+ *     the final `detect_intent_response`.
  * </pre>
  *
  * Protobuf type {@code google.cloud.dialogflow.cx.v3.StreamingDetectIntentResponse}
@@ -501,7 +506,12 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *     contain `recognition_result`. Each `recognition_result` represents a more
    *     complete transcript of what the user said. The last `recognition_result`
    *     has `is_final` set to `true`.
-   * 2.  The last message contains `detect_intent_response`.
+   * 2.  If `enable_partial_response` is true, the following N messages
+   *     (currently 1 &lt;= N &lt;= 4) contain `detect_intent_response`. The first (N-1)
+   *     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+   *     The last `detect_intent_response` has `response_type` set to `FINAL`.
+   *     If `response_type` is false, response stream only contains
+   *     the final `detect_intent_response`.
    * </pre>
    *
    * Protobuf type {@code google.cloud.dialogflow.cx.v3.StreamingDetectIntentResponse}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResult.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResult.java
index f2325fb66..adba49151 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResult.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResult.java
@@ -226,8 +226,8 @@ public enum MessageType implements com.google.protobuf.ProtocolMessageEnum {
      * additional results). The client should stop sending additional audio
      * data, half-close the gRPC connection, and wait for any additional results
      * until the server closes the gRPC connection. This message is only sent if
-     * [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance] was set to
-     * `true`, and is not used otherwise.
+     * [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance]
+     * was set to `true`, and is not used otherwise.
      * </pre>
      *
      * <code>END_OF_SINGLE_UTTERANCE = 2;</code>
@@ -266,8 +266,8 @@ public enum MessageType implements com.google.protobuf.ProtocolMessageEnum {
      * additional results). The client should stop sending additional audio
      * data, half-close the gRPC connection, and wait for any additional results
      * until the server closes the gRPC connection. This message is only sent if
-     * [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance] was set to
-     * `true`, and is not used otherwise.
+     * [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance]
+     * was set to `true`, and is not used otherwise.
      * </pre>
      *
      * <code>END_OF_SINGLE_UTTERANCE = 2;</code>
@@ -526,7 +526,8 @@ public float getStability() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -541,7 +542,8 @@ public java.util.List<com.google.cloud.dialogflow.cx.v3.SpeechWordInfo> getSpeec
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -557,7 +559,8 @@ public java.util.List<com.google.cloud.dialogflow.cx.v3.SpeechWordInfo> getSpeec
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -572,7 +575,8 @@ public int getSpeechWordInfoCount() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -587,7 +591,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfo getSpeechWordInfo(int in
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -1580,7 +1585,8 @@ private void ensureSpeechWordInfoIsMutable() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1599,7 +1605,8 @@ private void ensureSpeechWordInfoIsMutable() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1617,7 +1624,8 @@ public int getSpeechWordInfoCount() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1635,7 +1643,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfo getSpeechWordInfo(int in
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1660,7 +1669,8 @@ public Builder setSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1682,7 +1692,8 @@ public Builder setSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1706,7 +1717,8 @@ public Builder addSpeechWordInfo(com.google.cloud.dialogflow.cx.v3.SpeechWordInf
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1731,7 +1743,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1753,7 +1766,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1775,7 +1789,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1797,7 +1812,8 @@ public Builder addAllSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1818,7 +1834,8 @@ public Builder clearSpeechWordInfo() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1839,7 +1856,8 @@ public Builder removeSpeechWordInfo(int index) {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1854,7 +1872,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfo.Builder getSpeechWordInf
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1873,7 +1892,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfoOrBuilder getSpeechWordIn
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1892,7 +1912,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfoOrBuilder getSpeechWordIn
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1907,7 +1928,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfo.Builder addSpeechWordInf
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1923,7 +1945,8 @@ public com.google.cloud.dialogflow.cx.v3.SpeechWordInfo.Builder addSpeechWordInf
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResultOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResultOrBuilder.java
index 4d61de878..07676219c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResultOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/StreamingRecognitionResultOrBuilder.java
@@ -135,7 +135,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -147,7 +148,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -159,7 +161,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -171,7 +174,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -184,7 +188,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInput.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInput.java
index 1c75ede4d..96c173da0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInput.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInput.java
@@ -117,8 +117,8 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -141,8 +141,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -483,8 +483,8 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -506,8 +506,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -529,8 +529,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -551,8 +551,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -569,8 +569,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInputOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInputOrBuilder.java
index 650d4b337..751d1a8ba 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInputOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TextInputOrBuilder.java
@@ -27,8 +27,8 @@ public interface TextInputOrBuilder
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -40,8 +40,8 @@ public interface TextInputOrBuilder
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequest.java
index 514d32a02..4a4bed489 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequest.java
@@ -251,7 +251,9 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -281,7 +283,9 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1078,7 +1082,9 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1107,7 +1113,9 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1136,7 +1144,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1164,7 +1174,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1188,7 +1200,9 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequestOrBuilder.java
index c3d693b66..946eace9f 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateFlowRequestOrBuilder.java
@@ -108,7 +108,9 @@ public interface UpdateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -127,7 +129,9 @@ public interface UpdateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequest.java
index 3a9a32455..d9b469336 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequest.java
@@ -199,11 +199,17 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getPageOrBuilder() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -233,11 +239,17 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -882,11 +894,17 @@ public com.google.cloud.dialogflow.cx.v3.PageOrBuilder getPageOrBuilder() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -915,11 +933,17 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -948,11 +972,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -980,11 +1010,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1008,11 +1044,17 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequestOrBuilder.java
index dbcdf63c5..ccde0a4cf 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdatePageRequestOrBuilder.java
@@ -67,11 +67,17 @@ public interface UpdatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -90,11 +96,17 @@ public interface UpdatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequest.java
index 183289782..70b2def11 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequest.java
@@ -251,9 +251,10 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -281,9 +282,10 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1089,9 +1091,10 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1118,9 +1121,10 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1147,9 +1151,10 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1175,9 +1180,10 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1199,9 +1205,10 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequestOrBuilder.java
index 4838bfe37..e2b05abde 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/UpdateTransitionRouteGroupRequestOrBuilder.java
@@ -104,9 +104,10 @@ public interface UpdateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -123,9 +124,10 @@ public interface UpdateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/agent.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/agent.proto
index 38d89f130..b583a5a7c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/agent.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/agent.proto
@@ -21,6 +21,7 @@ import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/dialogflow/cx/v3/flow.proto";
+import "google/cloud/dialogflow/cx/v3/security_settings.proto";
 import "google/longrunning/operations.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
@@ -165,6 +166,10 @@ message Agent {
   // This field cannot be set by the [Agents.UpdateAgent][google.cloud.dialogflow.cx.v3.Agents.UpdateAgent] method.
   string default_language_code = 3 [(google.api.field_behavior) = IMMUTABLE];
 
+  // The list of all languages supported by the agent (except for the
+  // `default_language_code`).
+  repeated string supported_language_codes = 4;
+
   // Required. The time zone of the agent from the [time zone
   // database](https://www.iana.org/time-zones), e.g., America/New_York,
   // Europe/Paris.
@@ -305,6 +310,16 @@ message ExportAgentRequest {
   // `gs://<bucket-name>/<object-name>`.
   // If left unspecified, the serialized agent is returned inline.
   string agent_uri = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Environment name. If not set, draft environment is assumed.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/environments/<Environment ID>`.
+  string environment = 5 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "dialogflow.googleapis.com/Environment"
+    }
+  ];
 }
 
 // The response message for [Agents.ExportAgent][google.cloud.dialogflow.cx.v3.Agents.ExportAgent].
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/experiment.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/experiment.proto
index 4db6a9a64..8f03a4f82 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/experiment.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/experiment.proto
@@ -174,7 +174,7 @@ message Experiment {
     // Version variant and associated metrics.
     message VersionMetrics {
       // The name of the flow [Version][google.cloud.dialogflow.cx.v3.Version].
-      // Format: `projects/<Project Number>/locations/<Location
+      // Format: `projects/<Project ID>/locations/<Location
       // ID>/agents/<Agent ID>/flows/<Flow ID>/versions/<Version ID>`.
       string version = 1 [(google.api.resource_reference) = {
                             type: "dialogflow.googleapis.com/Version"
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/flow.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/flow.proto
index 7b253538c..d831b3a7c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/flow.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/flow.proto
@@ -116,6 +116,33 @@ service Flows {
     };
     option (google.api.method_signature) = "name";
   }
+
+  // Imports the specified flow to the specified agent from a binary file.
+  rpc ImportFlow(ImportFlowRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v3/{parent=projects/*/locations/*/agents/*}/flows:import"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "ImportFlowResponse"
+      metadata_type: "google.protobuf.Struct"
+    };
+  }
+
+  // Exports the specified flow to a binary file.
+  //
+  // Note that resources (e.g. intents, entities, webhooks) that the flow
+  // references will also be exported.
+  rpc ExportFlow(ExportFlowRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v3/{name=projects/*/locations/*/agents/*/flows/*}:export"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "ExportFlowResponse"
+      metadata_type: "google.protobuf.Struct"
+    };
+  }
 }
 
 // Settings related to NLU.
@@ -260,7 +287,9 @@ message CreateFlowRequest {
   // The language of the following fields in `flow`:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -317,7 +346,9 @@ message ListFlowsRequest {
   // dependent:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -354,7 +385,9 @@ message GetFlowRequest {
   // dependent:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -376,7 +409,9 @@ message UpdateFlowRequest {
   // The language of the following fields in `flow`:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -449,3 +484,90 @@ message FlowValidationResult {
   // Last time the flow was validated.
   google.protobuf.Timestamp update_time = 3;
 }
+
+// The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+message ImportFlowRequest {
+  // Import option.
+  enum ImportOption {
+    // Unspecified. Treated as `KEEP`.
+    IMPORT_OPTION_UNSPECIFIED = 0;
+
+    // Always respect settings in exported flow content. It may cause a
+    // import failure if some settings (e.g. custom NLU) are not supported in
+    // the agent to import into.
+    KEEP = 1;
+
+    // Fallback to default settings if some settings are not supported in the
+    // agent to import into. E.g. Standard NLU will be used if custom NLU is
+    // not available.
+    FALLBACK = 2;
+  }
+
+  // Required. The agent to import the flow into.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>`.
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "dialogflow.googleapis.com/Flow"
+    }
+  ];
+
+  // Required. The flow to import.
+  oneof flow {
+    // The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+    // to import flow from. The format of this URI must be
+    // `gs://<bucket-name>/<object-name>`.
+    string flow_uri = 2;
+
+    // Uncompressed raw byte content for flow.
+    bytes flow_content = 3;
+  }
+
+  // Flow import mode. If not specified, `KEEP` is assumed.
+  ImportOption import_option = 4;
+}
+
+// The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3.Flows.ImportFlow].
+message ImportFlowResponse {
+  // The unique identifier of the new flow.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/flows/<Flow ID>`.
+  string flow = 1 [(google.api.resource_reference) = {
+                     type: "dialogflow.googleapis.com/Flow"
+                   }];
+}
+
+// The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+message ExportFlowRequest {
+  // Required. The name of the flow to export.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/flows/<Flow ID>`.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "dialogflow.googleapis.com/Flow"
+    }
+  ];
+
+  // Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+  // export the flow to. The format of this URI must be
+  // `gs://<bucket-name>/<object-name>`.
+  // If left unspecified, the serialized flow is returned inline.
+  string flow_uri = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Whether to export flows referenced by the specified flow.
+  bool include_referenced_flows = 4 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3.Flows.ExportFlow].
+message ExportFlowResponse {
+  // The exported flow.
+  oneof flow {
+    // The URI to a file containing the exported flow. This field is populated
+    // only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3.ExportFlowRequest].
+    string flow_uri = 1;
+
+    // Uncompressed raw byte content for flow.
+    bytes flow_content = 2;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/page.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/page.proto
index fadede1ae..6cd8259f6 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/page.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/page.proto
@@ -378,11 +378,17 @@ message ListPagesRequest {
   // dependent:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -426,11 +432,17 @@ message GetPageRequest {
   // dependent:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -458,11 +470,17 @@ message CreatePageRequest {
   // The language of the following fields in `page`:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -480,11 +498,17 @@ message UpdatePageRequest {
   // The language of the following fields in `page`:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/session.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/session.proto
index 8d5763736..823faab99 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/session.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/session.proto
@@ -17,6 +17,7 @@ syntax = "proto3";
 package google.cloud.dialogflow.cx.v3;
 
 import "google/api/annotations.proto";
+import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/dialogflow/cx/v3/audio_config.proto";
@@ -29,7 +30,6 @@ import "google/protobuf/duration.proto";
 import "google/protobuf/struct.proto";
 import "google/rpc/status.proto";
 import "google/type/latlng.proto";
-import "google/api/client.proto";
 
 option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.Dialogflow.Cx.V3";
@@ -45,8 +45,9 @@ option (google.api.resource_definition) = {
 };
 
 // A session represents an interaction with a user. You retrieve user input
-// and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to determine
-// user intent and respond.
+// and pass it to the
+// [DetectIntent][google.cloud.dialogflow.cx.v3.Sessions.DetectIntent] method to
+// determine user intent and respond.
 service Sessions {
   option (google.api.default_host) = "dialogflow.googleapis.com";
   option (google.api.oauth_scopes) =
@@ -79,8 +80,8 @@ service Sessions {
   // Note: Always use agent versions for production traffic.
   // See [Versions and
   // environments](https://cloud.google.com/dialogflow/cx/docs/concept/version).
-  rpc StreamingDetectIntent(stream StreamingDetectIntentRequest) returns (stream StreamingDetectIntentResponse) {
-  }
+  rpc StreamingDetectIntent(stream StreamingDetectIntentRequest)
+      returns (stream StreamingDetectIntentResponse) {}
 
   // Returns preliminary intent match results, doesn't change the session
   // status.
@@ -95,9 +96,13 @@ service Sessions {
     };
   }
 
-  // Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent].
-  // Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with input from
-  // [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse]. Otherwise, the behavior is undefined.
+  // Fulfills a matched intent returned by
+  // [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent]. Must be
+  // called after
+  // [MatchIntent][google.cloud.dialogflow.cx.v3.Sessions.MatchIntent], with
+  // input from
+  // [MatchIntentResponse][google.cloud.dialogflow.cx.v3.MatchIntentResponse].
+  // Otherwise, the behavior is undefined.
   rpc FulfillIntent(FulfillIntentRequest) returns (FulfillIntentResponse) {
     option (google.api.http) = {
       post: "/v3/{match_intent_request.session=projects/*/locations/*/agents/*/sessions/*}:fulfillIntent"
@@ -157,9 +162,9 @@ message DetectIntentResponse {
   // The audio data bytes encoded as specified in the request.
   // Note: The output audio is generated based on the values of default platform
   // text responses found in the
-  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-  // multiple default text responses exist, they will be concatenated when
-  // generating audio. If no default platform text responses exist, the
+  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+  // field. If multiple default text responses exist, they will be concatenated
+  // when generating audio. If no default platform text responses exist, the
   // generated audio content will be empty.
   //
   // In some scenarios, multiple output audio fields may be present in the
@@ -172,24 +177,29 @@ message DetectIntentResponse {
 }
 
 // The top-level message sent by the client to the
-// [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent] method.
+// [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3.Sessions.StreamingDetectIntent]
+// method.
 //
 // Multiple request messages should be sent in order:
 //
 // 1.  The first message must contain
 // [session][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.session],
-//     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] plus optionally
-//     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params]. If the client
-//     wants to receive an audio response, it should also contain
+//     [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+//     plus optionally
+//     [query_params][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_params].
+//     If the client wants to receive an audio response, it should also contain
 //     [output_audio_config][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.output_audio_config].
 //
-// 2.  If [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input] was set to
-//     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config], all subsequent messages
-//     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio] to continue with
-//     Speech recognition.
-//     If you decide to rather detect an intent from text
-//     input after you already started Speech recognition, please send a message
-//     with [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
+// 2.  If
+// [query_input][google.cloud.dialogflow.cx.v3.StreamingDetectIntentRequest.query_input]
+// was set to
+//     [query_input.audio.config][google.cloud.dialogflow.cx.v3.AudioInput.config],
+//     all subsequent messages must contain
+//     [query_input.audio.audio][google.cloud.dialogflow.cx.v3.AudioInput.audio]
+//     to continue with Speech recognition. If you decide to rather detect an
+//     intent from text input after you already started Speech recognition,
+//     please send a message with
+//     [query_input.text][google.cloud.dialogflow.cx.v3.QueryInput.text].
 //
 //     However, note that:
 //
@@ -218,8 +228,8 @@ message StreamingDetectIntentRequest {
   // See [Versions and
   // environments](https://cloud.google.com/dialogflow/cx/docs/concept/version).
   string session = 1 [(google.api.resource_reference) = {
-                        type: "dialogflow.googleapis.com/Session"
-                      }];
+    type: "dialogflow.googleapis.com/Session"
+  }];
 
   // The parameters of this query.
   QueryParameters query_params = 2;
@@ -240,7 +250,12 @@ message StreamingDetectIntentRequest {
 //     complete transcript of what the user said. The last `recognition_result`
 //     has `is_final` set to `true`.
 //
-// 2.  The last message contains `detect_intent_response`.
+// 2.  If `enable_partial_response` is true, the following N messages
+//     (currently 1 <= N <= 4) contain `detect_intent_response`. The first (N-1)
+//     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+//     The last `detect_intent_response` has `response_type` set to `FINAL`.
+//     If `response_type` is false, response stream only contains
+//     the final `detect_intent_response`.
 message StreamingDetectIntentResponse {
   // The output response.
   oneof response {
@@ -300,8 +315,8 @@ message StreamingRecognitionResult {
     // additional results). The client should stop sending additional audio
     // data, half-close the gRPC connection, and wait for any additional results
     // until the server closes the gRPC connection. This message is only sent if
-    // [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance] was set to
-    // `true`, and is not used otherwise.
+    // [`single_utterance`][google.cloud.dialogflow.cx.v3.InputAudioConfig.single_utterance]
+    // was set to `true`, and is not used otherwise.
     END_OF_SINGLE_UTTERANCE = 2;
   }
 
@@ -337,7 +352,8 @@ message StreamingRecognitionResult {
   float stability = 6;
 
   // Word-specific information for the words recognized by Speech in
-  // [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+  // [transcript][google.cloud.dialogflow.cx.v3.StreamingRecognitionResult.transcript].
+  // Populated if and only if `message_type` = `TRANSCRIPT` and
   // [InputAudioConfig.enable_word_info] is set.
   repeated SpeechWordInfo speech_word_info = 7;
 
@@ -365,6 +381,17 @@ message QueryParameters {
 
   // This field can be used to pass custom data into the webhook associated with
   // the agent. Arbitrary JSON objects are supported.
+  // Some integrations that query a Dialogflow agent may provide additional
+  // information in the payload.
+  // In particular, for the Dialogflow Phone Gateway integration, this field has
+  // the form:
+  // ```
+  // {
+  //  "telephony": {
+  //    "caller_id": "+18558363987"
+  //  }
+  // }
+  // ```
   google.protobuf.Struct payload = 4;
 
   // Additional parameters to be put into [session
@@ -388,20 +415,22 @@ message QueryParameters {
   //     -   Else: parameter value
   google.protobuf.Struct parameters = 5;
 
-  // The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to override the [current
-  // page][QueryResult.current_page] in the session. Format: `projects/<Project
-  // ID>/locations/<Location ID>/agents/<Agent ID>/pages/<page ID>`.
+  // The unique identifier of the [page][google.cloud.dialogflow.cx.v3.Page] to
+  // override the [current page][QueryResult.current_page] in the session.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/pages/<page ID>`.
   //
   // If `current_page` is specified, the previous state of the session will be
   // ignored by Dialogflow, including the [previous
   // page][QueryResult.current_page] and the [previous session
   // parameters][QueryResult.parameters].
-  // In most cases, [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page] and
-  // [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters] should be configured together to
-  // direct a session to a specific state.
-  string current_page = 6 [(google.api.resource_reference) = {
-                             type: "dialogflow.googleapis.com/Page"
-                           }];
+  // In most cases,
+  // [current_page][google.cloud.dialogflow.cx.v3.QueryParameters.current_page]
+  // and [parameters][google.cloud.dialogflow.cx.v3.QueryParameters.parameters]
+  // should be configured together to direct a session to a specific state.
+  string current_page = 6 [
+    (google.api.resource_reference) = { type: "dialogflow.googleapis.com/Page" }
+  ];
 
   // Whether to disable webhook calls for this request.
   bool disable_webhook = 7;
@@ -461,24 +490,25 @@ message QueryInput {
 message QueryResult {
   // The original conversational query.
   oneof query {
-    // If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-    // will contain a copy of the text.
+    // If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+    // provided as input, this field will contain a copy of the text.
     string text = 1;
 
-    // If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-    // contain a copy of the intent identifier.
-    // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+    // If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+    // input, this field will contain a copy of the intent identifier. Format:
+    // `projects/<Project ID>/locations/<Location ID>/agents/<Agent
     // ID>/intents/<Intent ID>`.
     string trigger_intent = 11 [(google.api.resource_reference) = {
-                                  type: "dialogflow.googleapis.com/Intent"
-                                }];
+      type: "dialogflow.googleapis.com/Intent"
+    }];
 
-    // If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+    // If [natural language speech
+    // audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
     // this field will contain the transcript for the audio.
     string transcript = 12;
 
-    // If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will contain
-    // the name of the event.
+    // If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+    // input, this field will contain the name of the event.
     string trigger_event = 14;
   }
 
@@ -488,7 +518,8 @@ message QueryResult {
   // for a list of the currently supported language codes.
   string language_code = 2;
 
-  // The collected [session parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
+  // The collected [session
+  // parameters][google.cloud.dialogflow.cx.v3.SessionInfo.parameters].
   //
   // Depending on your protocol or client library language, this is a
   // map, associative array, symbol table, dictionary, or JSON object
@@ -514,19 +545,23 @@ message QueryResult {
   // The list of webhook call status in the order of call sequence.
   repeated google.rpc.Status webhook_statuses = 13;
 
-  // The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload], in
-  // the order of call sequence. If some webhook call fails or doesn't return
+  // The list of webhook payload in
+  // [WebhookResponse.payload][google.cloud.dialogflow.cx.v3.WebhookResponse.payload],
+  // in the order of call sequence. If some webhook call fails or doesn't return
   // any payload, an empty `Struct` would be used instead.
   repeated google.protobuf.Struct webhook_payloads = 6;
 
-  // The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-  // including but not limited to `name` and `display_name`.
+  // The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+  // fields are filled in this message, including but not limited to `name` and
+  // `display_name`.
   Page current_page = 7;
 
-  // The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the conversational query. Some, not all fields
-  // are filled in this message, including but not limited to: `name` and
-  // `display_name`.
-  // This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+  // The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the
+  // conversational query. Some, not all fields are filled in this message,
+  // including but not limited to: `name` and `display_name`. This field is
+  // deprecated, please use
+  // [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+  // instead.
   Intent intent = 8 [deprecated = true];
 
   // The intent detection confidence. Values range from 0.0 (completely
@@ -535,7 +570,9 @@ message QueryResult {
   // help match the best intent within the classification threshold.
   // This value may change for the same end-user expression at any time due to a
   // model retraining or change in implementation.
-  // This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match] instead.
+  // This field is deprecated, please use
+  // [QueryResult.match][google.cloud.dialogflow.cx.v3.QueryResult.match]
+  // instead.
   float intent_detection_confidence = 9 [deprecated = true];
 
   // Intent match result, could be an intent or an event.
@@ -548,14 +585,15 @@ message QueryResult {
 
   // The sentiment analyss result, which depends on
   // [`analyze_query_text_sentiment`]
-  // [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment], specified in the request.
+  // [google.cloud.dialogflow.cx.v3.QueryParameters.analyze_query_text_sentiment],
+  // specified in the request.
   SentimentAnalysisResult sentiment_analysis_result = 17;
 }
 
 // Represents the natural language text to be processed.
 message TextInput {
-  // Required. The UTF-8 encoded natural language text to be processed. Text length must
-  // not exceed 256 characters.
+  // Required. The UTF-8 encoded natural language text to be processed. Text
+  // length must not exceed 256 characters.
   string text = 1 [(google.api.field_behavior) = REQUIRED];
 }
 
@@ -580,8 +618,9 @@ message AudioInput {
 
   // The natural language speech audio to be processed.
   // A single request can contain up to 1 minute of speech audio data.
-  // The [transcribed text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain more than 256
-  // bytes.
+  // The [transcribed
+  // text][google.cloud.dialogflow.cx.v3.QueryResult.transcript] cannot contain
+  // more than 256 bytes.
   //
   // For non-streaming audio detect intent, both `config` and `audio` must be
   // provided.
@@ -631,9 +670,10 @@ message Match {
     EVENT = 6;
   }
 
-  // The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query. Some, not all fields are filled in
-  // this message, including but not limited to: `name` and `display_name`. Only
-  // filled for [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
+  // The [Intent][google.cloud.dialogflow.cx.v3.Intent] that matched the query.
+  // Some, not all fields are filled in this message, including but not limited
+  // to: `name` and `display_name`. Only filled for
+  // [`INTENT`][google.cloud.dialogflow.cx.v3.Match.MatchType] match type.
   Intent intent = 1;
 
   // The event that matched the query. Only filled for
@@ -707,24 +747,25 @@ message MatchIntentRequest {
 message MatchIntentResponse {
   // The original conversational query.
   oneof query {
-    // If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was provided as input, this field
-    // will contain a copy of the text.
+    // If [natural language text][google.cloud.dialogflow.cx.v3.TextInput] was
+    // provided as input, this field will contain a copy of the text.
     string text = 1;
 
-    // If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as input, this field will
-    // contain a copy of the intent identifier.
-    // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+    // If an [intent][google.cloud.dialogflow.cx.v3.IntentInput] was provided as
+    // input, this field will contain a copy of the intent identifier. Format:
+    // `projects/<Project ID>/locations/<Location ID>/agents/<Agent
     // ID>/intents/<Intent ID>`.
     string trigger_intent = 2 [(google.api.resource_reference) = {
-                                 type: "dialogflow.googleapis.com/Intent"
-                               }];
+      type: "dialogflow.googleapis.com/Intent"
+    }];
 
-    // If [natural language speech audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
+    // If [natural language speech
+    // audio][google.cloud.dialogflow.cx.v3.AudioInput] was provided as input,
     // this field will contain the transcript for the audio.
     string transcript = 3;
 
-    // If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as input, this field will
-    // contain a copy of the event name.
+    // If an [event][google.cloud.dialogflow.cx.v3.EventInput] was provided as
+    // input, this field will contain a copy of the event name.
     string trigger_event = 6;
   }
 
@@ -732,8 +773,9 @@ message MatchIntentResponse {
   // we have that the particular intent matches the query.
   repeated Match matches = 4;
 
-  // The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all fields are filled in this message,
-  // including but not limited to `name` and `display_name`.
+  // The current [Page][google.cloud.dialogflow.cx.v3.Page]. Some, not all
+  // fields are filled in this message, including but not limited to `name` and
+  // `display_name`.
   Page current_page = 5;
 }
 
@@ -762,9 +804,9 @@ message FulfillIntentResponse {
   // The audio data bytes encoded as specified in the request.
   // Note: The output audio is generated based on the values of default platform
   // text responses found in the
-  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages] field. If
-  // multiple default text responses exist, they will be concatenated when
-  // generating audio. If no default platform text responses exist, the
+  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3.QueryResult.response_messages]
+  // field. If multiple default text responses exist, they will be concatenated
+  // when generating audio. If no default platform text responses exist, the
   // generated audio content will be empty.
   //
   // In some scenarios, multiple output audio fields may be present in the
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/transition_route_group.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/transition_route_group.proto
index 1f5911955..05dc15341 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/transition_route_group.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/transition_route_group.proto
@@ -124,9 +124,13 @@ message ListTransitionRouteGroupsRequest {
   // The next_page_token value returned from a previous list request.
   string page_token = 3;
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+  // The language to list transition route groups for. The following fields are
+  // language dependent:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
+  //
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -161,9 +165,12 @@ message GetTransitionRouteGroupRequest {
     }
   ];
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+  // The language to retrieve the transition route group for. The following
+  // fields are language dependent:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -188,9 +195,11 @@ message CreateTransitionRouteGroupRequest {
   // Required. The transition route group to create.
   TransitionRouteGroup transition_route_group = 2 [(google.api.field_behavior) = REQUIRED];
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+  // The language of the following fields in `TransitionRouteGroup`:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -208,9 +217,11 @@ message UpdateTransitionRouteGroupRequest {
   // The mask to control which fields get updated.
   google.protobuf.FieldMask update_mask = 2;
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3.TransitionRoute] is language dependent.
+  // The language of the following fields in `TransitionRouteGroup`:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/version.proto b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/version.proto
index a3a992025..3ddad2069 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/version.proto
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/proto/google/cloud/dialogflow/cx/v3/version.proto
@@ -87,7 +87,7 @@ service Versions {
     option (google.api.method_signature) = "name";
   }
 
-  // Loads a specified version to draft version.
+  // Loads resources in the specified version to the draft flow.
   rpc LoadVersion(LoadVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v3/{name=projects/*/locations/*/agents/*/flows/*/versions/*}:load"
@@ -243,7 +243,7 @@ message DeleteVersionRequest {
 
 // The request message for [Versions.LoadVersion][google.cloud.dialogflow.cx.v3.Versions.LoadVersion].
 message LoadVersionRequest {
-  // Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft version.
+  // Required. The [Version][google.cloud.dialogflow.cx.v3.Version] to be loaded to draft flow.
   // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
   // ID>/flows/<Flow ID>/versions/<Version ID>`.
   string name = 1 [
@@ -253,9 +253,9 @@ message LoadVersionRequest {
     }
   ];
 
-  // This field is used to prevent accidental overwrite of other agent resources
-  // in the draft version, which can potentially impact other flow's behavior.
-  // If `allow_override_agent_resources` is false, conflicted agent-level
-  // resources will not be overridden (i.e. intents, entities, webhooks).
+  // This field is used to prevent accidental overwrite of other agent
+  // resources, which can potentially impact other flow's behavior. If
+  // `allow_override_agent_resources` is false, conflicted agent-level resources
+  // will not be overridden (i.e. intents, entities, webhooks).
   bool allow_override_agent_resources = 2;
 }
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Agent.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Agent.java
index eb5f43986..32079a43a 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Agent.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Agent.java
@@ -47,6 +47,7 @@ private Agent() {
     name_ = "";
     displayName_ = "";
     defaultLanguageCode_ = "";
+    supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
     timeZone_ = "";
     description_ = "";
     avatarUri_ = "";
@@ -73,6 +74,7 @@ private Agent(
     if (extensionRegistry == null) {
       throw new java.lang.NullPointerException();
     }
+    int mutable_bitField0_ = 0;
     com.google.protobuf.UnknownFieldSet.Builder unknownFields =
         com.google.protobuf.UnknownFieldSet.newBuilder();
     try {
@@ -104,6 +106,16 @@ private Agent(
               defaultLanguageCode_ = s;
               break;
             }
+          case 34:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
+                supportedLanguageCodes_ = new com.google.protobuf.LazyStringArrayList();
+                mutable_bitField0_ |= 0x00000001;
+              }
+              supportedLanguageCodes_.add(s);
+              break;
+            }
           case 42:
             {
               java.lang.String s = input.readStringRequireUtf8();
@@ -180,6 +192,9 @@ private Agent(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
+      if (((mutable_bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ = supportedLanguageCodes_.getUnmodifiableView();
+      }
       this.unknownFields = unknownFields.build();
       makeExtensionsImmutable();
     }
@@ -361,6 +376,71 @@ public com.google.protobuf.ByteString getDefaultLanguageCodeBytes() {
     }
   }
 
+  public static final int SUPPORTED_LANGUAGE_CODES_FIELD_NUMBER = 4;
+  private com.google.protobuf.LazyStringList supportedLanguageCodes_;
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return A list containing the supportedLanguageCodes.
+   */
+  public com.google.protobuf.ProtocolStringList getSupportedLanguageCodesList() {
+    return supportedLanguageCodes_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return The count of supportedLanguageCodes.
+   */
+  public int getSupportedLanguageCodesCount() {
+    return supportedLanguageCodes_.size();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the element to return.
+   * @return The supportedLanguageCodes at the given index.
+   */
+  public java.lang.String getSupportedLanguageCodes(int index) {
+    return supportedLanguageCodes_.get(index);
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the supportedLanguageCodes at the given index.
+   */
+  public com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index) {
+    return supportedLanguageCodes_.getByteString(index);
+  }
+
   public static final int TIME_ZONE_FIELD_NUMBER = 5;
   private volatile java.lang.Object timeZone_;
   /**
@@ -746,6 +826,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getDefaultLanguageCodeBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 3, defaultLanguageCode_);
     }
+    for (int i = 0; i < supportedLanguageCodes_.size(); i++) {
+      com.google.protobuf.GeneratedMessageV3.writeString(
+          output, 4, supportedLanguageCodes_.getRaw(i));
+    }
     if (!getTimeZoneBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 5, timeZone_);
     }
@@ -788,6 +872,14 @@ public int getSerializedSize() {
     if (!getDefaultLanguageCodeBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, defaultLanguageCode_);
     }
+    {
+      int dataSize = 0;
+      for (int i = 0; i < supportedLanguageCodes_.size(); i++) {
+        dataSize += computeStringSizeNoTag(supportedLanguageCodes_.getRaw(i));
+      }
+      size += dataSize;
+      size += 1 * getSupportedLanguageCodesList().size();
+    }
     if (!getTimeZoneBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, timeZone_);
     }
@@ -832,6 +924,8 @@ public boolean equals(final java.lang.Object obj) {
     if (!getName().equals(other.getName())) return false;
     if (!getDisplayName().equals(other.getDisplayName())) return false;
     if (!getDefaultLanguageCode().equals(other.getDefaultLanguageCode())) return false;
+    if (!getSupportedLanguageCodesList().equals(other.getSupportedLanguageCodesList()))
+      return false;
     if (!getTimeZone().equals(other.getTimeZone())) return false;
     if (!getDescription().equals(other.getDescription())) return false;
     if (!getAvatarUri().equals(other.getAvatarUri())) return false;
@@ -860,6 +954,10 @@ public int hashCode() {
     hash = (53 * hash) + getDisplayName().hashCode();
     hash = (37 * hash) + DEFAULT_LANGUAGE_CODE_FIELD_NUMBER;
     hash = (53 * hash) + getDefaultLanguageCode().hashCode();
+    if (getSupportedLanguageCodesCount() > 0) {
+      hash = (37 * hash) + SUPPORTED_LANGUAGE_CODES_FIELD_NUMBER;
+      hash = (53 * hash) + getSupportedLanguageCodesList().hashCode();
+    }
     hash = (37 * hash) + TIME_ZONE_FIELD_NUMBER;
     hash = (53 * hash) + getTimeZone().hashCode();
     hash = (37 * hash) + DESCRIPTION_FIELD_NUMBER;
@@ -1035,6 +1133,8 @@ public Builder clear() {
 
       defaultLanguageCode_ = "";
 
+      supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      bitField0_ = (bitField0_ & ~0x00000001);
       timeZone_ = "";
 
       description_ = "";
@@ -1082,9 +1182,15 @@ public com.google.cloud.dialogflow.cx.v3beta1.Agent build() {
     public com.google.cloud.dialogflow.cx.v3beta1.Agent buildPartial() {
       com.google.cloud.dialogflow.cx.v3beta1.Agent result =
           new com.google.cloud.dialogflow.cx.v3beta1.Agent(this);
+      int from_bitField0_ = bitField0_;
       result.name_ = name_;
       result.displayName_ = displayName_;
       result.defaultLanguageCode_ = defaultLanguageCode_;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ = supportedLanguageCodes_.getUnmodifiableView();
+        bitField0_ = (bitField0_ & ~0x00000001);
+      }
+      result.supportedLanguageCodes_ = supportedLanguageCodes_;
       result.timeZone_ = timeZone_;
       result.description_ = description_;
       result.avatarUri_ = avatarUri_;
@@ -1158,6 +1264,16 @@ public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.Agent other) {
         defaultLanguageCode_ = other.defaultLanguageCode_;
         onChanged();
       }
+      if (!other.supportedLanguageCodes_.isEmpty()) {
+        if (supportedLanguageCodes_.isEmpty()) {
+          supportedLanguageCodes_ = other.supportedLanguageCodes_;
+          bitField0_ = (bitField0_ & ~0x00000001);
+        } else {
+          ensureSupportedLanguageCodesIsMutable();
+          supportedLanguageCodes_.addAll(other.supportedLanguageCodes_);
+        }
+        onChanged();
+      }
       if (!other.getTimeZone().isEmpty()) {
         timeZone_ = other.timeZone_;
         onChanged();
@@ -1216,6 +1332,8 @@ public Builder mergeFrom(
       return this;
     }
 
+    private int bitField0_;
+
     private java.lang.Object name_ = "";
     /**
      *
@@ -1569,6 +1687,184 @@ public Builder setDefaultLanguageCodeBytes(com.google.protobuf.ByteString value)
       return this;
     }
 
+    private com.google.protobuf.LazyStringList supportedLanguageCodes_ =
+        com.google.protobuf.LazyStringArrayList.EMPTY;
+
+    private void ensureSupportedLanguageCodesIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        supportedLanguageCodes_ =
+            new com.google.protobuf.LazyStringArrayList(supportedLanguageCodes_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return A list containing the supportedLanguageCodes.
+     */
+    public com.google.protobuf.ProtocolStringList getSupportedLanguageCodesList() {
+      return supportedLanguageCodes_.getUnmodifiableView();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return The count of supportedLanguageCodes.
+     */
+    public int getSupportedLanguageCodesCount() {
+      return supportedLanguageCodes_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index of the element to return.
+     * @return The supportedLanguageCodes at the given index.
+     */
+    public java.lang.String getSupportedLanguageCodes(int index) {
+      return supportedLanguageCodes_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the supportedLanguageCodes at the given index.
+     */
+    public com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index) {
+      return supportedLanguageCodes_.getByteString(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param index The index to set the value at.
+     * @param value The supportedLanguageCodes to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSupportedLanguageCodes(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.set(index, value);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param value The supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addSupportedLanguageCodes(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.add(value);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param values The supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllSupportedLanguageCodes(java.lang.Iterable<java.lang.String> values) {
+      ensureSupportedLanguageCodesIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, supportedLanguageCodes_);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSupportedLanguageCodes() {
+      supportedLanguageCodes_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of all languages supported by the agent (except for the
+     * `default_language_code`).
+     * </pre>
+     *
+     * <code>repeated string supported_language_codes = 4;</code>
+     *
+     * @param value The bytes of the supportedLanguageCodes to add.
+     * @return This builder for chaining.
+     */
+    public Builder addSupportedLanguageCodesBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ensureSupportedLanguageCodesIsMutable();
+      supportedLanguageCodes_.add(value);
+      onChanged();
+      return this;
+    }
+
     private java.lang.Object timeZone_ = "";
     /**
      *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentOrBuilder.java
index 8f2edb5e6..eb6478fb4 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentOrBuilder.java
@@ -112,6 +112,61 @@ public interface AgentOrBuilder
    */
   com.google.protobuf.ByteString getDefaultLanguageCodeBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return A list containing the supportedLanguageCodes.
+   */
+  java.util.List<java.lang.String> getSupportedLanguageCodesList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @return The count of supportedLanguageCodes.
+   */
+  int getSupportedLanguageCodesCount();
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the element to return.
+   * @return The supportedLanguageCodes at the given index.
+   */
+  java.lang.String getSupportedLanguageCodes(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The list of all languages supported by the agent (except for the
+   * `default_language_code`).
+   * </pre>
+   *
+   * <code>repeated string supported_language_codes = 4;</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the supportedLanguageCodes at the given index.
+   */
+  com.google.protobuf.ByteString getSupportedLanguageCodesBytes(int index);
+
   /**
    *
    *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentProto.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentProto.java
index b01941a29..92b401a87 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentProto.java
@@ -103,114 +103,117 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "unning/operations.proto\032\033google/protobuf"
           + "/empty.proto\032 google/protobuf/field_mask"
           + ".proto\"8\n\024SpeechToTextSettings\022 \n\030enable"
-          + "_speech_adaptation\030\001 \001(\010\"\233\004\n\005Agent\022\014\n\004na"
+          + "_speech_adaptation\030\001 \001(\010\"\275\004\n\005Agent\022\014\n\004na"
           + "me\030\001 \001(\t\022\031\n\014display_name\030\002 \001(\tB\003\340A\002\022\"\n\025d"
-          + "efault_language_code\030\003 \001(\tB\003\340A\005\022\026\n\ttime_"
-          + "zone\030\005 \001(\tB\003\340A\002\022\023\n\013description\030\006 \001(\t\022\022\n\n"
-          + "avatar_uri\030\007 \001(\t\022Y\n\027speech_to_text_setti"
-          + "ngs\030\r \001(\01328.google.cloud.dialogflow.cx.v"
-          + "3beta1.SpeechToTextSettings\022:\n\nstart_flo"
-          + "w\030\020 \001(\tB&\340A\005\372A \n\036dialogflow.googleapis.c"
-          + "om/Flow\022J\n\021security_settings\030\021 \001(\tB/\372A,\n"
-          + "*dialogflow.googleapis.com/SecuritySetti"
-          + "ngs\022\"\n\032enable_stackdriver_logging\030\022 \001(\010\022"
-          + "\037\n\027enable_spell_correction\030\024 \001(\010:\\\352AY\n\037d"
-          + "ialogflow.googleapis.com/Agent\0226projects"
-          + "/{project}/locations/{location}/agents/{"
-          + "agent}\"s\n\021ListAgentsRequest\0227\n\006parent\030\001 "
-          + "\001(\tB\'\340A\002\372A!\022\037dialogflow.googleapis.com/A"
-          + "gent\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 "
-          + "\001(\t\"h\n\022ListAgentsResponse\0229\n\006agents\030\001 \003("
-          + "\0132).google.cloud.dialogflow.cx.v3beta1.A"
-          + "gent\022\027\n\017next_page_token\030\002 \001(\t\"H\n\017GetAgen"
-          + "tRequest\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogfl"
-          + "ow.googleapis.com/Agent\"\214\001\n\022CreateAgentR"
-          + "equest\0227\n\006parent\030\001 \001(\tB\'\340A\002\372A!\022\037dialogfl"
-          + "ow.googleapis.com/Agent\022=\n\005agent\030\002 \001(\0132)"
+          + "efault_language_code\030\003 \001(\tB\003\340A\005\022 \n\030suppo"
+          + "rted_language_codes\030\004 \003(\t\022\026\n\ttime_zone\030\005"
+          + " \001(\tB\003\340A\002\022\023\n\013description\030\006 \001(\t\022\022\n\navatar"
+          + "_uri\030\007 \001(\t\022Y\n\027speech_to_text_settings\030\r "
+          + "\001(\01328.google.cloud.dialogflow.cx.v3beta1"
+          + ".SpeechToTextSettings\022:\n\nstart_flow\030\020 \001("
+          + "\tB&\340A\005\372A \n\036dialogflow.googleapis.com/Flo"
+          + "w\022J\n\021security_settings\030\021 \001(\tB/\372A,\n*dialo"
+          + "gflow.googleapis.com/SecuritySettings\022\"\n"
+          + "\032enable_stackdriver_logging\030\022 \001(\010\022\037\n\027ena"
+          + "ble_spell_correction\030\024 \001(\010:\\\352AY\n\037dialogf"
+          + "low.googleapis.com/Agent\0226projects/{proj"
+          + "ect}/locations/{location}/agents/{agent}"
+          + "\"s\n\021ListAgentsRequest\0227\n\006parent\030\001 \001(\tB\'\340"
+          + "A\002\372A!\022\037dialogflow.googleapis.com/Agent\022\021"
+          + "\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\"h\n"
+          + "\022ListAgentsResponse\0229\n\006agents\030\001 \003(\0132).go"
+          + "ogle.cloud.dialogflow.cx.v3beta1.Agent\022\027"
+          + "\n\017next_page_token\030\002 \001(\t\"H\n\017GetAgentReque"
+          + "st\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.goo"
+          + "gleapis.com/Agent\"\214\001\n\022CreateAgentRequest"
+          + "\0227\n\006parent\030\001 \001(\tB\'\340A\002\372A!\022\037dialogflow.goo"
+          + "gleapis.com/Agent\022=\n\005agent\030\002 \001(\0132).googl"
+          + "e.cloud.dialogflow.cx.v3beta1.AgentB\003\340A\002"
+          + "\"\204\001\n\022UpdateAgentRequest\022=\n\005agent\030\001 \001(\0132)"
           + ".google.cloud.dialogflow.cx.v3beta1.Agen"
-          + "tB\003\340A\002\"\204\001\n\022UpdateAgentRequest\022=\n\005agent\030\001"
-          + " \001(\0132).google.cloud.dialogflow.cx.v3beta"
-          + "1.AgentB\003\340A\002\022/\n\013update_mask\030\002 \001(\0132\032.goog"
-          + "le.protobuf.FieldMask\"K\n\022DeleteAgentRequ"
-          + "est\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.go"
-          + "ogleapis.com/Agent\"c\n\022ExportAgentRequest"
-          + "\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.googl"
-          + "eapis.com/Agent\022\026\n\tagent_uri\030\002 \001(\tB\003\340A\001\""
-          + "L\n\023ExportAgentResponse\022\023\n\tagent_uri\030\001 \001("
-          + "\tH\000\022\027\n\ragent_content\030\002 \001(\014H\000B\007\n\005agent\"\253\002"
-          + "\n\023RestoreAgentRequest\0225\n\004name\030\001 \001(\tB\'\340A\002"
-          + "\372A!\n\037dialogflow.googleapis.com/Agent\022\023\n\t"
-          + "agent_uri\030\002 \001(\tH\000\022\027\n\ragent_content\030\003 \001(\014"
-          + "H\000\022]\n\016restore_option\030\005 \001(\0162E.google.clou"
-          + "d.dialogflow.cx.v3beta1.RestoreAgentRequ"
-          + "est.RestoreOption\"G\n\rRestoreOption\022\036\n\032RE"
-          + "STORE_OPTION_UNSPECIFIED\020\000\022\010\n\004KEEP\020\001\022\014\n\010"
-          + "FALLBACK\020\002B\007\n\005agent\"d\n\024ValidateAgentRequ"
-          + "est\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.go"
-          + "ogleapis.com/Agent\022\025\n\rlanguage_code\030\002 \001("
-          + "\t\"\177\n\037GetAgentValidationResultRequest\022E\n\004"
-          + "name\030\001 \001(\tB7\340A\002\372A1\n/dialogflow.googleapi"
-          + "s.com/AgentValidationResult\022\025\n\rlanguage_"
-          + "code\030\002 \001(\t\"\377\001\n\025AgentValidationResult\022\014\n\004"
-          + "name\030\001 \001(\t\022Y\n\027flow_validation_results\030\002 "
-          + "\003(\01328.google.cloud.dialogflow.cx.v3beta1"
-          + ".FlowValidationResult:}\352Az\n/dialogflow.g"
-          + "oogleapis.com/AgentValidationResult\022Gpro"
-          + "jects/{project}/locations/{location}/age"
-          + "nts/{agent}/validationResult2\221\017\n\006Agents\022"
-          + "\275\001\n\nListAgents\0225.google.cloud.dialogflow"
-          + ".cx.v3beta1.ListAgentsRequest\0326.google.c"
-          + "loud.dialogflow.cx.v3beta1.ListAgentsRes"
-          + "ponse\"@\202\323\344\223\0021\022//v3beta1/{parent=projects"
-          + "/*/locations/*}/agents\332A\006parent\022\252\001\n\010GetA"
-          + "gent\0223.google.cloud.dialogflow.cx.v3beta"
-          + "1.GetAgentRequest\032).google.cloud.dialogf"
-          + "low.cx.v3beta1.Agent\">\202\323\344\223\0021\022//v3beta1/{"
-          + "name=projects/*/locations/*/agents/*}\332A\004"
-          + "name\022\277\001\n\013CreateAgent\0226.google.cloud.dial"
-          + "ogflow.cx.v3beta1.CreateAgentRequest\032).g"
-          + "oogle.cloud.dialogflow.cx.v3beta1.Agent\""
-          + "M\202\323\344\223\0028\"//v3beta1/{parent=projects/*/loc"
-          + "ations/*}/agents:\005agent\332A\014parent,agent\022\312"
-          + "\001\n\013UpdateAgent\0226.google.cloud.dialogflow"
-          + ".cx.v3beta1.UpdateAgentRequest\032).google."
-          + "cloud.dialogflow.cx.v3beta1.Agent\"X\202\323\344\223\002"
-          + ">25/v3beta1/{agent.name=projects/*/locat"
-          + "ions/*/agents/*}:\005agent\332A\021agent,update_m"
-          + "ask\022\235\001\n\013DeleteAgent\0226.google.cloud.dialo"
-          + "gflow.cx.v3beta1.DeleteAgentRequest\032\026.go"
-          + "ogle.protobuf.Empty\">\202\323\344\223\0021*//v3beta1/{n"
-          + "ame=projects/*/locations/*/agents/*}\332A\004n"
-          + "ame\022\327\001\n\013ExportAgent\0226.google.cloud.dialo"
-          + "gflow.cx.v3beta1.ExportAgentRequest\032\035.go"
-          + "ogle.longrunning.Operation\"q\202\323\344\223\002;\"6/v3b"
-          + "eta1/{name=projects/*/locations/*/agents"
-          + "/*}:export:\001*\312A-\n\023ExportAgentResponse\022\026g"
-          + "oogle.protobuf.Struct\022\334\001\n\014RestoreAgent\0227"
-          + ".google.cloud.dialogflow.cx.v3beta1.Rest"
-          + "oreAgentRequest\032\035.google.longrunning.Ope"
-          + "ration\"t\202\323\344\223\002<\"7/v3beta1/{name=projects/"
-          + "*/locations/*/agents/*}:restore:\001*\312A/\n\025g"
-          + "oogle.protobuf.Empty\022\026google.protobuf.St"
-          + "ruct\022\311\001\n\rValidateAgent\0228.google.cloud.di"
-          + "alogflow.cx.v3beta1.ValidateAgentRequest"
-          + "\0329.google.cloud.dialogflow.cx.v3beta1.Ag"
-          + "entValidationResult\"C\202\323\344\223\002=\"8/v3beta1/{n"
-          + "ame=projects/*/locations/*/agents/*}:val"
-          + "idate:\001*\022\353\001\n\030GetAgentValidationResult\022C."
-          + "google.cloud.dialogflow.cx.v3beta1.GetAg"
-          + "entValidationResultRequest\0329.google.clou"
-          + "d.dialogflow.cx.v3beta1.AgentValidationR"
-          + "esult\"O\202\323\344\223\002B\022@/v3beta1/{name=projects/*"
-          + "/locations/*/agents/*/validationResult}\332"
-          + "A\004name\032x\312A\031dialogflow.googleapis.com\322AYh"
-          + "ttps://www.googleapis.com/auth/cloud-pla"
-          + "tform,https://www.googleapis.com/auth/di"
-          + "alogflowB\251\001\n&com.google.cloud.dialogflow"
-          + ".cx.v3beta1B\nAgentProtoP\001ZDgoogle.golang"
-          + ".org/genproto/googleapis/cloud/dialogflo"
-          + "w/cx/v3beta1;cx\370\001\001\242\002\002DF\252\002\"Google.Cloud.D"
-          + "ialogflow.Cx.V3Beta1b\006proto3"
+          + "tB\003\340A\002\022/\n\013update_mask\030\002 \001(\0132\032.google.pro"
+          + "tobuf.FieldMask\"K\n\022DeleteAgentRequest\0225\n"
+          + "\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.googleap"
+          + "is.com/Agent\"\247\001\n\022ExportAgentRequest\0225\n\004n"
+          + "ame\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.googleapis"
+          + ".com/Agent\022\026\n\tagent_uri\030\002 \001(\tB\003\340A\001\022B\n\013en"
+          + "vironment\030\005 \001(\tB-\340A\001\372A\'\n%dialogflow.goog"
+          + "leapis.com/Environment\"L\n\023ExportAgentRes"
+          + "ponse\022\023\n\tagent_uri\030\001 \001(\tH\000\022\027\n\ragent_cont"
+          + "ent\030\002 \001(\014H\000B\007\n\005agent\"\253\002\n\023RestoreAgentReq"
+          + "uest\0225\n\004name\030\001 \001(\tB\'\340A\002\372A!\n\037dialogflow.g"
+          + "oogleapis.com/Agent\022\023\n\tagent_uri\030\002 \001(\tH\000"
+          + "\022\027\n\ragent_content\030\003 \001(\014H\000\022]\n\016restore_opt"
+          + "ion\030\005 \001(\0162E.google.cloud.dialogflow.cx.v"
+          + "3beta1.RestoreAgentRequest.RestoreOption"
+          + "\"G\n\rRestoreOption\022\036\n\032RESTORE_OPTION_UNSP"
+          + "ECIFIED\020\000\022\010\n\004KEEP\020\001\022\014\n\010FALLBACK\020\002B\007\n\005age"
+          + "nt\"d\n\024ValidateAgentRequest\0225\n\004name\030\001 \001(\t"
+          + "B\'\340A\002\372A!\n\037dialogflow.googleapis.com/Agen"
+          + "t\022\025\n\rlanguage_code\030\002 \001(\t\"\177\n\037GetAgentVali"
+          + "dationResultRequest\022E\n\004name\030\001 \001(\tB7\340A\002\372A"
+          + "1\n/dialogflow.googleapis.com/AgentValida"
+          + "tionResult\022\025\n\rlanguage_code\030\002 \001(\t\"\377\001\n\025Ag"
+          + "entValidationResult\022\014\n\004name\030\001 \001(\t\022Y\n\027flo"
+          + "w_validation_results\030\002 \003(\01328.google.clou"
+          + "d.dialogflow.cx.v3beta1.FlowValidationRe"
+          + "sult:}\352Az\n/dialogflow.googleapis.com/Age"
+          + "ntValidationResult\022Gprojects/{project}/l"
+          + "ocations/{location}/agents/{agent}/valid"
+          + "ationResult2\221\017\n\006Agents\022\275\001\n\nListAgents\0225."
+          + "google.cloud.dialogflow.cx.v3beta1.ListA"
+          + "gentsRequest\0326.google.cloud.dialogflow.c"
+          + "x.v3beta1.ListAgentsResponse\"@\202\323\344\223\0021\022//v"
+          + "3beta1/{parent=projects/*/locations/*}/a"
+          + "gents\332A\006parent\022\252\001\n\010GetAgent\0223.google.clo"
+          + "ud.dialogflow.cx.v3beta1.GetAgentRequest"
+          + "\032).google.cloud.dialogflow.cx.v3beta1.Ag"
+          + "ent\">\202\323\344\223\0021\022//v3beta1/{name=projects/*/l"
+          + "ocations/*/agents/*}\332A\004name\022\277\001\n\013CreateAg"
+          + "ent\0226.google.cloud.dialogflow.cx.v3beta1"
+          + ".CreateAgentRequest\032).google.cloud.dialo"
+          + "gflow.cx.v3beta1.Agent\"M\202\323\344\223\0028\"//v3beta1"
+          + "/{parent=projects/*/locations/*}/agents:"
+          + "\005agent\332A\014parent,agent\022\312\001\n\013UpdateAgent\0226."
+          + "google.cloud.dialogflow.cx.v3beta1.Updat"
+          + "eAgentRequest\032).google.cloud.dialogflow."
+          + "cx.v3beta1.Agent\"X\202\323\344\223\002>25/v3beta1/{agen"
+          + "t.name=projects/*/locations/*/agents/*}:"
+          + "\005agent\332A\021agent,update_mask\022\235\001\n\013DeleteAge"
+          + "nt\0226.google.cloud.dialogflow.cx.v3beta1."
+          + "DeleteAgentRequest\032\026.google.protobuf.Emp"
+          + "ty\">\202\323\344\223\0021*//v3beta1/{name=projects/*/lo"
+          + "cations/*/agents/*}\332A\004name\022\327\001\n\013ExportAge"
+          + "nt\0226.google.cloud.dialogflow.cx.v3beta1."
+          + "ExportAgentRequest\032\035.google.longrunning."
+          + "Operation\"q\202\323\344\223\002;\"6/v3beta1/{name=projec"
+          + "ts/*/locations/*/agents/*}:export:\001*\312A-\n"
+          + "\023ExportAgentResponse\022\026google.protobuf.St"
+          + "ruct\022\334\001\n\014RestoreAgent\0227.google.cloud.dia"
+          + "logflow.cx.v3beta1.RestoreAgentRequest\032\035"
+          + ".google.longrunning.Operation\"t\202\323\344\223\002<\"7/"
+          + "v3beta1/{name=projects/*/locations/*/age"
+          + "nts/*}:restore:\001*\312A/\n\025google.protobuf.Em"
+          + "pty\022\026google.protobuf.Struct\022\311\001\n\rValidate"
+          + "Agent\0228.google.cloud.dialogflow.cx.v3bet"
+          + "a1.ValidateAgentRequest\0329.google.cloud.d"
+          + "ialogflow.cx.v3beta1.AgentValidationResu"
+          + "lt\"C\202\323\344\223\002=\"8/v3beta1/{name=projects/*/lo"
+          + "cations/*/agents/*}:validate:\001*\022\353\001\n\030GetA"
+          + "gentValidationResult\022C.google.cloud.dial"
+          + "ogflow.cx.v3beta1.GetAgentValidationResu"
+          + "ltRequest\0329.google.cloud.dialogflow.cx.v"
+          + "3beta1.AgentValidationResult\"O\202\323\344\223\002B\022@/v"
+          + "3beta1/{name=projects/*/locations/*/agen"
+          + "ts/*/validationResult}\332A\004name\032x\312A\031dialog"
+          + "flow.googleapis.com\322AYhttps://www.google"
+          + "apis.com/auth/cloud-platform,https://www"
+          + ".googleapis.com/auth/dialogflowB\251\001\n&com."
+          + "google.cloud.dialogflow.cx.v3beta1B\nAgen"
+          + "tProtoP\001ZDgoogle.golang.org/genproto/goo"
+          + "gleapis/cloud/dialogflow/cx/v3beta1;cx\370\001"
+          + "\001\242\002\002DF\252\002\"Google.Cloud.Dialogflow.Cx.V3Be"
+          + "ta1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -243,6 +246,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
               "DisplayName",
               "DefaultLanguageCode",
+              "SupportedLanguageCodes",
               "TimeZone",
               "Description",
               "AvatarUri",
@@ -306,7 +310,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_cx_v3beta1_ExportAgentRequest_descriptor,
             new java.lang.String[] {
-              "Name", "AgentUri",
+              "Name", "AgentUri", "Environment",
             });
     internal_static_google_cloud_dialogflow_cx_v3beta1_ExportAgentResponse_descriptor =
         getDescriptor().getMessageTypes().get(9);
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInput.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInput.java
index 8a6b70203..149fe729c 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInput.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInput.java
@@ -188,8 +188,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.InputAudioConfigOrBuilder getConfi
    * <pre>
    * The natural language speech audio to be processed.
    * A single request can contain up to 1 minute of speech audio data.
-   * The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-   * bytes.
+   * The [transcribed
+   * text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+   * contain more than 256 bytes.
    * For non-streaming audio detect intent, both `config` and `audio` must be
    * provided.
    * For streaming audio detect intent, `config` must be provided in
@@ -761,8 +762,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.InputAudioConfigOrBuilder getConfi
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+     * contain more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
@@ -783,8 +785,9 @@ public com.google.protobuf.ByteString getAudio() {
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+     * contain more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
@@ -811,8 +814,9 @@ public Builder setAudio(com.google.protobuf.ByteString value) {
      * <pre>
      * The natural language speech audio to be processed.
      * A single request can contain up to 1 minute of speech audio data.
-     * The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-     * bytes.
+     * The [transcribed
+     * text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+     * contain more than 256 bytes.
      * For non-streaming audio detect intent, both `config` and `audio` must be
      * provided.
      * For streaming audio detect intent, `config` must be provided in
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInputOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInputOrBuilder.java
index d5ee628a0..91ada388d 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInputOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AudioInputOrBuilder.java
@@ -70,8 +70,9 @@ public interface AudioInputOrBuilder
    * <pre>
    * The natural language speech audio to be processed.
    * A single request can contain up to 1 minute of speech audio data.
-   * The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-   * bytes.
+   * The [transcribed
+   * text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+   * contain more than 256 bytes.
    * For non-streaming audio detect intent, both `config` and `audio` must be
    * provided.
    * For streaming audio detect intent, `config` must be provided in
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequest.java
index 507e1f90e..e464bb5b1 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequest.java
@@ -250,7 +250,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.FlowOrBuilder getFlowOrBuilder() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -280,7 +282,9 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -999,7 +1003,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.FlowOrBuilder getFlowOrBuilder() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1028,7 +1034,9 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1057,7 +1065,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1085,7 +1095,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1109,7 +1121,9 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequestOrBuilder.java
index c41eaaa5e..53c628706 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateFlowRequestOrBuilder.java
@@ -101,7 +101,9 @@ public interface CreateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -120,7 +122,9 @@ public interface CreateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequest.java
index ed24c2cc6..beb3199f4 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequest.java
@@ -252,11 +252,17 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getPageOrBuilder() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -286,11 +292,17 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1014,11 +1026,17 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getPageOrBuilder() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1047,11 +1065,17 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1080,11 +1104,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1112,11 +1142,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1140,11 +1176,17 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequestOrBuilder.java
index 496665e81..2188268a5 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreatePageRequestOrBuilder.java
@@ -103,11 +103,17 @@ public interface CreatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -126,11 +132,17 @@ public interface CreatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequest.java
index 9903da640..e7c9cecd4 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequest.java
@@ -255,9 +255,10 @@ public com.google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup getTransition
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -285,9 +286,10 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1028,9 +1030,10 @@ public Builder clearTransitionRouteGroup() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1057,9 +1060,10 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1086,9 +1090,10 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1114,9 +1119,10 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1138,9 +1144,10 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequestOrBuilder.java
index 1e46a2827..f5ec83087 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/CreateTransitionRouteGroupRequestOrBuilder.java
@@ -102,9 +102,10 @@ public interface CreateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -121,9 +122,10 @@ public interface CreateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponse.java
index c144fbed4..20b81369c 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponse.java
@@ -259,9 +259,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.QueryResultOrBuilder getQueryResul
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
@@ -1021,9 +1021,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.QueryResultOrBuilder getQueryResul
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1045,9 +1045,9 @@ public com.google.protobuf.ByteString getOutputAudio() {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1075,9 +1075,9 @@ public Builder setOutputAudio(com.google.protobuf.ByteString value) {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponseOrBuilder.java
index 0acc80768..cf5735378 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DetectIntentResponseOrBuilder.java
@@ -92,9 +92,9 @@ public interface DetectIntentResponseOrBuilder
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Experiment.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Experiment.java
index 558bf5038..754c798c0 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Experiment.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Experiment.java
@@ -4779,7 +4779,7 @@ public interface VersionMetricsOrBuilder
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -4793,7 +4793,7 @@ public interface VersionMetricsOrBuilder
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -5007,7 +5007,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -5032,7 +5032,7 @@ public java.lang.String getVersion() {
        *
        * <pre>
        * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-       * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+       * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
        * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
        * </pre>
        *
@@ -5577,7 +5577,7 @@ public Builder mergeFrom(
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5601,7 +5601,7 @@ public java.lang.String getVersion() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5625,7 +5625,7 @@ public com.google.protobuf.ByteString getVersionBytes() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5648,7 +5648,7 @@ public Builder setVersion(java.lang.String value) {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
@@ -5667,7 +5667,7 @@ public Builder clearVersion() {
          *
          * <pre>
          * The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-         * Format: `projects/&lt;Project Number&gt;/locations/&lt;Location
+         * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
          * ID&gt;/agents/&lt;Agent ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
          * </pre>
          *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequest.java
index 27b117424..87fa13634 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequest.java
@@ -40,6 +40,7 @@ private ExportAgentRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> bui
   private ExportAgentRequest() {
     name_ = "";
     agentUri_ = "";
+    environment_ = "";
   }
 
   @java.lang.Override
@@ -85,6 +86,13 @@ private ExportAgentRequest(
               agentUri_ = s;
               break;
             }
+          case 42:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              environment_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -229,6 +237,63 @@ public com.google.protobuf.ByteString getAgentUriBytes() {
     }
   }
 
+  public static final int ENVIRONMENT_FIELD_NUMBER = 5;
+  private volatile java.lang.Object environment_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The environment.
+   */
+  @java.lang.Override
+  public java.lang.String getEnvironment() {
+    java.lang.Object ref = environment_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      environment_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for environment.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getEnvironmentBytes() {
+    java.lang.Object ref = environment_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      environment_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -249,6 +314,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getAgentUriBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 2, agentUri_);
     }
+    if (!getEnvironmentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, environment_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -264,6 +332,9 @@ public int getSerializedSize() {
     if (!getAgentUriBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, agentUri_);
     }
+    if (!getEnvironmentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, environment_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -282,6 +353,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getName().equals(other.getName())) return false;
     if (!getAgentUri().equals(other.getAgentUri())) return false;
+    if (!getEnvironment().equals(other.getEnvironment())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -297,6 +369,8 @@ public int hashCode() {
     hash = (53 * hash) + getName().hashCode();
     hash = (37 * hash) + AGENT_URI_FIELD_NUMBER;
     hash = (53 * hash) + getAgentUri().hashCode();
+    hash = (37 * hash) + ENVIRONMENT_FIELD_NUMBER;
+    hash = (53 * hash) + getEnvironment().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -447,6 +521,8 @@ public Builder clear() {
 
       agentUri_ = "";
 
+      environment_ = "";
+
       return this;
     }
 
@@ -476,6 +552,7 @@ public com.google.cloud.dialogflow.cx.v3beta1.ExportAgentRequest buildPartial()
           new com.google.cloud.dialogflow.cx.v3beta1.ExportAgentRequest(this);
       result.name_ = name_;
       result.agentUri_ = agentUri_;
+      result.environment_ = environment_;
       onBuilt();
       return result;
     }
@@ -534,6 +611,10 @@ public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.ExportAgentReque
         agentUri_ = other.agentUri_;
         onChanged();
       }
+      if (!other.getEnvironment().isEmpty()) {
+        environment_ = other.environment_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -806,6 +887,132 @@ public Builder setAgentUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object environment_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The environment.
+     */
+    public java.lang.String getEnvironment() {
+      java.lang.Object ref = environment_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        environment_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for environment.
+     */
+    public com.google.protobuf.ByteString getEnvironmentBytes() {
+      java.lang.Object ref = environment_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        environment_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The environment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnvironment(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      environment_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnvironment() {
+
+      environment_ = getDefaultInstance().getEnvironment();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Environment name. If not set, draft environment is assumed.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/environments/&lt;Environment ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for environment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnvironmentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      environment_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequestOrBuilder.java
index b98996f88..1ffb487fe 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequestOrBuilder.java
@@ -84,4 +84,37 @@ public interface ExportAgentRequestOrBuilder
    * @return The bytes for agentUri.
    */
   com.google.protobuf.ByteString getAgentUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The environment.
+   */
+  java.lang.String getEnvironment();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Environment name. If not set, draft environment is assumed.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/environments/&lt;Environment ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string environment = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for environment.
+   */
+  com.google.protobuf.ByteString getEnvironmentBytes();
 }
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequest.java
new file mode 100644
index 000000000..037ae36db
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequest.java
@@ -0,0 +1,955 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+/**
+ *
+ *
+ * <pre>
+ * The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest}
+ */
+public final class ExportFlowRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)
+    ExportFlowRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ExportFlowRequest.newBuilder() to construct.
+  private ExportFlowRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ExportFlowRequest() {
+    name_ = "";
+    flowUri_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ExportFlowRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ExportFlowRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              flowUri_ = s;
+              break;
+            }
+          case 32:
+            {
+              includeReferencedFlows_ = input.readBool();
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.class,
+            com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 2;
+  private volatile java.lang.Object flowUri_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flowUri.
+   */
+  @java.lang.Override
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = flowUri_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      flowUri_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = flowUri_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      flowUri_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int INCLUDE_REFERENCED_FLOWS_FIELD_NUMBER = 4;
+  private boolean includeReferencedFlows_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to export flows referenced by the specified flow.
+   * </pre>
+   *
+   * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The includeReferencedFlows.
+   */
+  @java.lang.Override
+  public boolean getIncludeReferencedFlows() {
+    return includeReferencedFlows_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getNameBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    if (!getFlowUriBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, flowUri_);
+    }
+    if (includeReferencedFlows_ != false) {
+      output.writeBool(4, includeReferencedFlows_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getNameBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    }
+    if (!getFlowUriBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, flowUri_);
+    }
+    if (includeReferencedFlows_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(4, includeReferencedFlows_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest other =
+        (com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getFlowUri().equals(other.getFlowUri())) return false;
+    if (getIncludeReferencedFlows() != other.getIncludeReferencedFlows()) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+    hash = (53 * hash) + getFlowUri().hashCode();
+    hash = (37 * hash) + INCLUDE_REFERENCED_FLOWS_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getIncludeReferencedFlows());
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.class,
+              com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      name_ = "";
+
+      flowUri_ = "";
+
+      includeReferencedFlows_ = false;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest build() {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest buildPartial() {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest result =
+          new com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest(this);
+      result.name_ = name_;
+      result.flowUri_ = flowUri_;
+      result.includeReferencedFlows_ = includeReferencedFlows_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest other) {
+      if (other == com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest.getDefaultInstance())
+        return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        onChanged();
+      }
+      if (!other.getFlowUri().isEmpty()) {
+        flowUri_ = other.flowUri_;
+        onChanged();
+      }
+      if (other.getIncludeReferencedFlows() != false) {
+        setIncludeReferencedFlows(other.getIncludeReferencedFlows());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the flow to export.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object flowUri_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The flowUri.
+     */
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = flowUri_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        flowUri_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = flowUri_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        flowUri_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      flowUri_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+
+      flowUri_ = getDefaultInstance().getFlowUri();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+     * export the flow to. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * If left unspecified, the serialized flow is returned inline.
+     * </pre>
+     *
+     * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      flowUri_ = value;
+      onChanged();
+      return this;
+    }
+
+    private boolean includeReferencedFlows_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The includeReferencedFlows.
+     */
+    @java.lang.Override
+    public boolean getIncludeReferencedFlows() {
+      return includeReferencedFlows_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The includeReferencedFlows to set.
+     * @return This builder for chaining.
+     */
+    public Builder setIncludeReferencedFlows(boolean value) {
+
+      includeReferencedFlows_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to export flows referenced by the specified flow.
+     * </pre>
+     *
+     * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearIncludeReferencedFlows() {
+
+      includeReferencedFlows_ = false;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)
+  private static final com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ExportFlowRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ExportFlowRequest>() {
+        @java.lang.Override
+        public ExportFlowRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ExportFlowRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ExportFlowRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ExportFlowRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequestOrBuilder.java
new file mode 100644
index 000000000..b772b62e6
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequestOrBuilder.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+public interface ExportFlowRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the flow to export.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+   * export the flow to. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * If left unspecified, the serialized flow is returned inline.
+   * </pre>
+   *
+   * <code>string flow_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to export flows referenced by the specified flow.
+   * </pre>
+   *
+   * <code>bool include_referenced_flows = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The includeReferencedFlows.
+   */
+  boolean getIncludeReferencedFlows();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponse.java
new file mode 100644
index 000000000..d701a2df9
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponse.java
@@ -0,0 +1,915 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+/**
+ *
+ *
+ * <pre>
+ * The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse}
+ */
+public final class ExportFlowResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)
+    ExportFlowResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ExportFlowResponse.newBuilder() to construct.
+  private ExportFlowResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ExportFlowResponse() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ExportFlowResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ExportFlowResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              flowCase_ = 1;
+              flow_ = s;
+              break;
+            }
+          case 18:
+            {
+              flowCase_ = 2;
+              flow_ = input.readBytes();
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.class,
+            com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.Builder.class);
+  }
+
+  private int flowCase_ = 0;
+  private java.lang.Object flow_;
+
+  public enum FlowCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FLOW_URI(1),
+    FLOW_CONTENT(2),
+    FLOW_NOT_SET(0);
+    private final int value;
+
+    private FlowCase(int value) {
+      this.value = value;
+    }
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static FlowCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static FlowCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return FLOW_URI;
+        case 2:
+          return FLOW_CONTENT;
+        case 0:
+          return FLOW_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public FlowCase getFlowCase() {
+    return FlowCase.forNumber(flowCase_);
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  public boolean hasFlowUri() {
+    return flowCase_ == 1;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The flowUri.
+   */
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 1) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (flowCase_ == 1) {
+        flow_ = s;
+      }
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 1) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (flowCase_ == 1) {
+        flow_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_CONTENT_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  @java.lang.Override
+  public boolean hasFlowContent() {
+    return flowCase_ == 2;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return The flowContent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowContent() {
+    if (flowCase_ == 2) {
+      return (com.google.protobuf.ByteString) flow_;
+    }
+    return com.google.protobuf.ByteString.EMPTY;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (flowCase_ == 1) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, flow_);
+    }
+    if (flowCase_ == 2) {
+      output.writeBytes(2, (com.google.protobuf.ByteString) flow_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (flowCase_ == 1) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, flow_);
+    }
+    if (flowCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBytesSize(
+              2, (com.google.protobuf.ByteString) flow_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse other =
+        (com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse) obj;
+
+    if (!getFlowCase().equals(other.getFlowCase())) return false;
+    switch (flowCase_) {
+      case 1:
+        if (!getFlowUri().equals(other.getFlowUri())) return false;
+        break;
+      case 2:
+        if (!getFlowContent().equals(other.getFlowContent())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (flowCase_) {
+      case 1:
+        hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowUri().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + FLOW_CONTENT_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowContent().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.class,
+              com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      flowCase_ = 0;
+      flow_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse build() {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse buildPartial() {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse result =
+          new com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse(this);
+      if (flowCase_ == 1) {
+        result.flow_ = flow_;
+      }
+      if (flowCase_ == 2) {
+        result.flow_ = flow_;
+      }
+      result.flowCase_ = flowCase_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse other) {
+      if (other == com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.getDefaultInstance())
+        return this;
+      switch (other.getFlowCase()) {
+        case FLOW_URI:
+          {
+            flowCase_ = 1;
+            flow_ = other.flow_;
+            onChanged();
+            break;
+          }
+        case FLOW_CONTENT:
+          {
+            setFlowContent(other.getFlowContent());
+            break;
+          }
+        case FLOW_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int flowCase_ = 0;
+    private java.lang.Object flow_;
+
+    public FlowCase getFlowCase() {
+      return FlowCase.forNumber(flowCase_);
+    }
+
+    public Builder clearFlow() {
+      flowCase_ = 0;
+      flow_ = null;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return Whether the flowUri field is set.
+     */
+    @java.lang.Override
+    public boolean hasFlowUri() {
+      return flowCase_ == 1;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return The flowUri.
+     */
+    @java.lang.Override
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 1) {
+        ref = flow_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (flowCase_ == 1) {
+          flow_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 1) {
+        ref = flow_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (flowCase_ == 1) {
+          flow_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 1;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+      if (flowCase_ == 1) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The URI to a file containing the exported flow. This field is populated
+     * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+     * </pre>
+     *
+     * <code>string flow_uri = 1;</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      flowCase_ = 1;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return Whether the flowContent field is set.
+     */
+    public boolean hasFlowContent() {
+      return flowCase_ == 2;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return The flowContent.
+     */
+    public com.google.protobuf.ByteString getFlowContent() {
+      if (flowCase_ == 2) {
+        return (com.google.protobuf.ByteString) flow_;
+      }
+      return com.google.protobuf.ByteString.EMPTY;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @param value The flowContent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowContent(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowContent() {
+      if (flowCase_ == 2) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)
+  private static final com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ExportFlowResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ExportFlowResponse>() {
+        @java.lang.Override
+        public ExportFlowResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ExportFlowResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ExportFlowResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ExportFlowResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponseOrBuilder.java
new file mode 100644
index 000000000..7408a512e
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponseOrBuilder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+public interface ExportFlowResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  boolean hasFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The URI to a file containing the exported flow. This field is populated
+   * only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+   * </pre>
+   *
+   * <code>string flow_uri = 1;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  boolean hasFlowContent();
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 2;</code>
+   *
+   * @return The flowContent.
+   */
+  com.google.protobuf.ByteString getFlowContent();
+
+  public com.google.cloud.dialogflow.cx.v3beta1.ExportFlowResponse.FlowCase getFlowCase();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowProto.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowProto.java
index fe14c7340..9073fc2ab 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowProto.java
@@ -75,6 +75,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_dialogflow_cx_v3beta1_FlowValidationResult_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_dialogflow_cx_v3beta1_FlowValidationResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -152,55 +168,81 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ialogflow.googleapis.com/FlowValidationR"
           + "esult\022Tprojects/{project}/locations/{loc"
           + "ation}/agents/{agent}/flows/{flow}/valid"
-          + "ationResult2\335\r\n\005Flows\022\302\001\n\nCreateFlow\0225.g"
-          + "oogle.cloud.dialogflow.cx.v3beta1.Create"
-          + "FlowRequest\032(.google.cloud.dialogflow.cx"
-          + ".v3beta1.Flow\"S\202\323\344\223\002?\"7/v3beta1/{parent="
-          + "projects/*/locations/*/agents/*}/flows:\004"
-          + "flow\332A\013parent,flow\022\243\001\n\nDeleteFlow\0225.goog"
-          + "le.cloud.dialogflow.cx.v3beta1.DeleteFlo"
-          + "wRequest\032\026.google.protobuf.Empty\"F\202\323\344\223\0029"
-          + "*7/v3beta1/{name=projects/*/locations/*/"
-          + "agents/*/flows/*}\332A\004name\022\302\001\n\tListFlows\0224"
-          + ".google.cloud.dialogflow.cx.v3beta1.List"
-          + "FlowsRequest\0325.google.cloud.dialogflow.c"
-          + "x.v3beta1.ListFlowsResponse\"H\202\323\344\223\0029\0227/v3"
-          + "beta1/{parent=projects/*/locations/*/age"
-          + "nts/*}/flows\332A\006parent\022\257\001\n\007GetFlow\0222.goog"
-          + "le.cloud.dialogflow.cx.v3beta1.GetFlowRe"
-          + "quest\032(.google.cloud.dialogflow.cx.v3bet"
-          + "a1.Flow\"F\202\323\344\223\0029\0227/v3beta1/{name=projects"
-          + "/*/locations/*/agents/*/flows/*}\332A\004name\022"
-          + "\314\001\n\nUpdateFlow\0225.google.cloud.dialogflow"
-          + ".cx.v3beta1.UpdateFlowRequest\032(.google.c"
-          + "loud.dialogflow.cx.v3beta1.Flow\"]\202\323\344\223\002D2"
-          + "</v3beta1/{flow.name=projects/*/location"
-          + "s/*/agents/*/flows/*}:\004flow\332A\020flow,updat"
-          + "e_mask\022\344\001\n\tTrainFlow\0224.google.cloud.dial"
-          + "ogflow.cx.v3beta1.TrainFlowRequest\032\035.goo"
-          + "gle.longrunning.Operation\"\201\001\202\323\344\223\002B\"=/v3b"
+          + "ationResult\"\241\002\n\021ImportFlowRequest\0226\n\006par"
+          + "ent\030\001 \001(\tB&\340A\002\372A \022\036dialogflow.googleapis"
+          + ".com/Flow\022\022\n\010flow_uri\030\002 \001(\tH\000\022\026\n\014flow_co"
+          + "ntent\030\003 \001(\014H\000\022Y\n\rimport_option\030\004 \001(\0162B.g"
+          + "oogle.cloud.dialogflow.cx.v3beta1.Import"
+          + "FlowRequest.ImportOption\"E\n\014ImportOption"
+          + "\022\035\n\031IMPORT_OPTION_UNSPECIFIED\020\000\022\010\n\004KEEP\020"
+          + "\001\022\014\n\010FALLBACK\020\002B\006\n\004flow\"G\n\022ImportFlowRes"
+          + "ponse\0221\n\004flow\030\001 \001(\tB#\372A \n\036dialogflow.goo"
+          + "gleapis.com/Flow\"\207\001\n\021ExportFlowRequest\0224"
+          + "\n\004name\030\001 \001(\tB&\340A\002\372A \n\036dialogflow.googlea"
+          + "pis.com/Flow\022\025\n\010flow_uri\030\002 \001(\tB\003\340A\001\022%\n\030i"
+          + "nclude_referenced_flows\030\004 \001(\010B\003\340A\001\"H\n\022Ex"
+          + "portFlowResponse\022\022\n\010flow_uri\030\001 \001(\tH\000\022\026\n\014"
+          + "flow_content\030\002 \001(\014H\000B\006\n\004flow2\233\021\n\005Flows\022\302"
+          + "\001\n\nCreateFlow\0225.google.cloud.dialogflow."
+          + "cx.v3beta1.CreateFlowRequest\032(.google.cl"
+          + "oud.dialogflow.cx.v3beta1.Flow\"S\202\323\344\223\002?\"7"
+          + "/v3beta1/{parent=projects/*/locations/*/"
+          + "agents/*}/flows:\004flow\332A\013parent,flow\022\243\001\n\n"
+          + "DeleteFlow\0225.google.cloud.dialogflow.cx."
+          + "v3beta1.DeleteFlowRequest\032\026.google.proto"
+          + "buf.Empty\"F\202\323\344\223\0029*7/v3beta1/{name=projec"
+          + "ts/*/locations/*/agents/*/flows/*}\332A\004nam"
+          + "e\022\302\001\n\tListFlows\0224.google.cloud.dialogflo"
+          + "w.cx.v3beta1.ListFlowsRequest\0325.google.c"
+          + "loud.dialogflow.cx.v3beta1.ListFlowsResp"
+          + "onse\"H\202\323\344\223\0029\0227/v3beta1/{parent=projects/"
+          + "*/locations/*/agents/*}/flows\332A\006parent\022\257"
+          + "\001\n\007GetFlow\0222.google.cloud.dialogflow.cx."
+          + "v3beta1.GetFlowRequest\032(.google.cloud.di"
+          + "alogflow.cx.v3beta1.Flow\"F\202\323\344\223\0029\0227/v3bet"
+          + "a1/{name=projects/*/locations/*/agents/*"
+          + "/flows/*}\332A\004name\022\314\001\n\nUpdateFlow\0225.google"
+          + ".cloud.dialogflow.cx.v3beta1.UpdateFlowR"
+          + "equest\032(.google.cloud.dialogflow.cx.v3be"
+          + "ta1.Flow\"]\202\323\344\223\002D2</v3beta1/{flow.name=pr"
+          + "ojects/*/locations/*/agents/*/flows/*}:\004"
+          + "flow\332A\020flow,update_mask\022\344\001\n\tTrainFlow\0224."
+          + "google.cloud.dialogflow.cx.v3beta1.Train"
+          + "FlowRequest\032\035.google.longrunning.Operati"
+          + "on\"\201\001\202\323\344\223\002B\"=/v3beta1/{name=projects/*/l"
+          + "ocations/*/agents/*/flows/*}:train:\001*\332A\004"
+          + "name\312A/\n\025google.protobuf.Empty\022\026google.p"
+          + "rotobuf.Struct\022\316\001\n\014ValidateFlow\0227.google"
+          + ".cloud.dialogflow.cx.v3beta1.ValidateFlo"
+          + "wRequest\0328.google.cloud.dialogflow.cx.v3"
+          + "beta1.FlowValidationResult\"K\202\323\344\223\002E\"@/v3b"
           + "eta1/{name=projects/*/locations/*/agents"
-          + "/*/flows/*}:train:\001*\332A\004name\312A/\n\025google.p"
-          + "rotobuf.Empty\022\026google.protobuf.Struct\022\316\001"
-          + "\n\014ValidateFlow\0227.google.cloud.dialogflow"
-          + ".cx.v3beta1.ValidateFlowRequest\0328.google"
-          + ".cloud.dialogflow.cx.v3beta1.FlowValidat"
-          + "ionResult\"K\202\323\344\223\002E\"@/v3beta1/{name=projec"
-          + "ts/*/locations/*/agents/*/flows/*}:valid"
-          + "ate:\001*\022\360\001\n\027GetFlowValidationResult\022B.goo"
-          + "gle.cloud.dialogflow.cx.v3beta1.GetFlowV"
-          + "alidationResultRequest\0328.google.cloud.di"
-          + "alogflow.cx.v3beta1.FlowValidationResult"
-          + "\"W\202\323\344\223\002J\022H/v3beta1/{name=projects/*/loca"
-          + "tions/*/agents/*/flows/*/validationResul"
-          + "t}\332A\004name\032x\312A\031dialogflow.googleapis.com\322"
-          + "AYhttps://www.googleapis.com/auth/cloud-"
-          + "platform,https://www.googleapis.com/auth"
-          + "/dialogflowB\250\001\n&com.google.cloud.dialogf"
-          + "low.cx.v3beta1B\tFlowProtoP\001ZDgoogle.gola"
-          + "ng.org/genproto/googleapis/cloud/dialogf"
-          + "low/cx/v3beta1;cx\370\001\001\242\002\002DF\252\002\"Google.Cloud"
-          + ".Dialogflow.Cx.V3Beta1b\006proto3"
+          + "/*/flows/*}:validate:\001*\022\360\001\n\027GetFlowValid"
+          + "ationResult\022B.google.cloud.dialogflow.cx"
+          + ".v3beta1.GetFlowValidationResultRequest\032"
+          + "8.google.cloud.dialogflow.cx.v3beta1.Flo"
+          + "wValidationResult\"W\202\323\344\223\002J\022H/v3beta1/{nam"
+          + "e=projects/*/locations/*/agents/*/flows/"
+          + "*/validationResult}\332A\004name\022\334\001\n\nImportFlo"
+          + "w\0225.google.cloud.dialogflow.cx.v3beta1.I"
+          + "mportFlowRequest\032\035.google.longrunning.Op"
+          + "eration\"x\202\323\344\223\002C\">/v3beta1/{parent=projec"
+          + "ts/*/locations/*/agents/*}/flows:import:"
+          + "\001*\312A,\n\022ImportFlowResponse\022\026google.protob"
+          + "uf.Struct\022\334\001\n\nExportFlow\0225.google.cloud."
+          + "dialogflow.cx.v3beta1.ExportFlowRequest\032"
+          + "\035.google.longrunning.Operation\"x\202\323\344\223\002C\">"
+          + "/v3beta1/{name=projects/*/locations/*/ag"
+          + "ents/*/flows/*}:export:\001*\312A,\n\022ExportFlow"
+          + "Response\022\026google.protobuf.Struct\032x\312A\031dia"
+          + "logflow.googleapis.com\322AYhttps://www.goo"
+          + "gleapis.com/auth/cloud-platform,https://"
+          + "www.googleapis.com/auth/dialogflowB\250\001\n&c"
+          + "om.google.cloud.dialogflow.cx.v3beta1B\tF"
+          + "lowProtoP\001ZDgoogle.golang.org/genproto/g"
+          + "oogleapis/cloud/dialogflow/cx/v3beta1;cx"
+          + "\370\001\001\242\002\002DF\252\002\"Google.Cloud.Dialogflow.Cx.V3"
+          + "Beta1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -319,6 +361,38 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "ValidationMessages", "UpdateTime",
             });
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor =
+        getDescriptor().getMessageTypes().get(12);
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "FlowUri", "FlowContent", "ImportOption", "Flow",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor =
+        getDescriptor().getMessageTypes().get(13);
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor,
+            new java.lang.String[] {
+              "Flow",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor =
+        getDescriptor().getMessageTypes().get(14);
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowRequest_descriptor,
+            new java.lang.String[] {
+              "Name", "FlowUri", "IncludeReferencedFlows",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor =
+        getDescriptor().getMessageTypes().get(15);
+    internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3beta1_ExportFlowResponse_descriptor,
+            new java.lang.String[] {
+              "FlowUri", "FlowContent", "Flow",
+            });
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponse.java
index e602ce21f..d095798bc 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponse.java
@@ -259,9 +259,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.QueryResultOrBuilder getQueryResul
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
@@ -1023,9 +1023,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.QueryResultOrBuilder getQueryResul
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1047,9 +1047,9 @@ public com.google.protobuf.ByteString getOutputAudio() {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
@@ -1077,9 +1077,9 @@ public Builder setOutputAudio(com.google.protobuf.ByteString value) {
      * The audio data bytes encoded as specified in the request.
      * Note: The output audio is generated based on the values of default platform
      * text responses found in the
-     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-     * multiple default text responses exist, they will be concatenated when
-     * generating audio. If no default platform text responses exist, the
+     * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+     * field. If multiple default text responses exist, they will be concatenated
+     * when generating audio. If no default platform text responses exist, the
      * generated audio content will be empty.
      * In some scenarios, multiple output audio fields may be present in the
      * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponseOrBuilder.java
index 7c9a92b54..ede5f0e55 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FulfillIntentResponseOrBuilder.java
@@ -92,9 +92,9 @@ public interface FulfillIntentResponseOrBuilder
    * The audio data bytes encoded as specified in the request.
    * Note: The output audio is generated based on the values of default platform
    * text responses found in the
-   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-   * multiple default text responses exist, they will be concatenated when
-   * generating audio. If no default platform text responses exist, the
+   * [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+   * field. If multiple default text responses exist, they will be concatenated
+   * when generating audio. If no default platform text responses exist, the
    * generated audio content will be empty.
    * In some scenarios, multiple output audio fields may be present in the
    * response structure. In these cases, only the top-most-level audio output
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequest.java
index adf438fc2..de14c5695 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequest.java
@@ -185,7 +185,9 @@ public com.google.protobuf.ByteString getNameBytes() {
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -216,7 +218,9 @@ public java.lang.String getLanguageCode() {
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -710,7 +714,9 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -740,7 +746,9 @@ public java.lang.String getLanguageCode() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -770,7 +778,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -799,7 +809,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -824,7 +836,9 @@ public Builder clearLanguageCode() {
      * The language to retrieve the flow for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequestOrBuilder.java
index 9188d7212..12b92a1a4 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetFlowRequestOrBuilder.java
@@ -63,7 +63,9 @@ public interface GetFlowRequestOrBuilder
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -83,7 +85,9 @@ public interface GetFlowRequestOrBuilder
    * The language to retrieve the flow for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequest.java
index 068912d65..e6debe844 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequest.java
@@ -185,11 +185,17 @@ public com.google.protobuf.ByteString getNameBytes() {
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -220,11 +226,17 @@ public java.lang.String getLanguageCode() {
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -718,11 +730,17 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -752,11 +770,17 @@ public java.lang.String getLanguageCode() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -786,11 +810,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -819,11 +849,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -848,11 +884,17 @@ public Builder clearLanguageCode() {
      * The language to retrieve the page for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequestOrBuilder.java
index f13804165..221d7af25 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetPageRequestOrBuilder.java
@@ -63,11 +63,17 @@ public interface GetPageRequestOrBuilder
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -87,11 +93,17 @@ public interface GetPageRequestOrBuilder
    * The language to retrieve the page for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequest.java
index 1a3d3f404..6ab0d5f2f 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequest.java
@@ -183,9 +183,11 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -213,9 +215,11 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -714,9 +718,11 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -743,9 +749,11 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -772,9 +780,11 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -800,9 +810,11 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -824,9 +836,11 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to retrieve the transition route group for. The following
+     * fields are language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequestOrBuilder.java
index 4f19718d0..7399f1c32 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetTransitionRouteGroupRequestOrBuilder.java
@@ -60,9 +60,11 @@ public interface GetTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -79,9 +81,11 @@ public interface GetTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to retrieve the transition route group for. The following
+   * fields are language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequest.java
new file mode 100644
index 000000000..3c629b2f3
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequest.java
@@ -0,0 +1,1462 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+/**
+ *
+ *
+ * <pre>
+ * The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest}
+ */
+public final class ImportFlowRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)
+    ImportFlowRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ImportFlowRequest.newBuilder() to construct.
+  private ImportFlowRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImportFlowRequest() {
+    parent_ = "";
+    importOption_ = 0;
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ImportFlowRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ImportFlowRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              parent_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+              flowCase_ = 2;
+              flow_ = s;
+              break;
+            }
+          case 26:
+            {
+              flowCase_ = 3;
+              flow_ = input.readBytes();
+              break;
+            }
+          case 32:
+            {
+              int rawValue = input.readEnum();
+
+              importOption_ = rawValue;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.class,
+            com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Import option.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption}
+   */
+  public enum ImportOption implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified. Treated as `KEEP`.
+     * </pre>
+     *
+     * <code>IMPORT_OPTION_UNSPECIFIED = 0;</code>
+     */
+    IMPORT_OPTION_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Always respect settings in exported flow content. It may cause a
+     * import failure if some settings (e.g. custom NLU) are not supported in
+     * the agent to import into.
+     * </pre>
+     *
+     * <code>KEEP = 1;</code>
+     */
+    KEEP(1),
+    /**
+     *
+     *
+     * <pre>
+     * Fallback to default settings if some settings are not supported in the
+     * agent to import into. E.g. Standard NLU will be used if custom NLU is
+     * not available.
+     * </pre>
+     *
+     * <code>FALLBACK = 2;</code>
+     */
+    FALLBACK(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified. Treated as `KEEP`.
+     * </pre>
+     *
+     * <code>IMPORT_OPTION_UNSPECIFIED = 0;</code>
+     */
+    public static final int IMPORT_OPTION_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Always respect settings in exported flow content. It may cause a
+     * import failure if some settings (e.g. custom NLU) are not supported in
+     * the agent to import into.
+     * </pre>
+     *
+     * <code>KEEP = 1;</code>
+     */
+    public static final int KEEP_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * Fallback to default settings if some settings are not supported in the
+     * agent to import into. E.g. Standard NLU will be used if custom NLU is
+     * not available.
+     * </pre>
+     *
+     * <code>FALLBACK = 2;</code>
+     */
+    public static final int FALLBACK_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ImportOption valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static ImportOption forNumber(int value) {
+      switch (value) {
+        case 0:
+          return IMPORT_OPTION_UNSPECIFIED;
+        case 1:
+          return KEEP;
+        case 2:
+          return FALLBACK;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<ImportOption> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<ImportOption> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<ImportOption>() {
+          public ImportOption findValueByNumber(int number) {
+            return ImportOption.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final ImportOption[] VALUES = values();
+
+    public static ImportOption valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private ImportOption(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption)
+  }
+
+  private int flowCase_ = 0;
+  private java.lang.Object flow_;
+
+  public enum FlowCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FLOW_URI(2),
+    FLOW_CONTENT(3),
+    FLOW_NOT_SET(0);
+    private final int value;
+
+    private FlowCase(int value) {
+      this.value = value;
+    }
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static FlowCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static FlowCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return FLOW_URI;
+        case 3:
+          return FLOW_CONTENT;
+        case 0:
+          return FLOW_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public FlowCase getFlowCase() {
+    return FlowCase.forNumber(flowCase_);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+  private volatile java.lang.Object parent_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_URI_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  public boolean hasFlowUri() {
+    return flowCase_ == 2;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The flowUri.
+   */
+  public java.lang.String getFlowUri() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 2) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (flowCase_ == 2) {
+        flow_ = s;
+      }
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  public com.google.protobuf.ByteString getFlowUriBytes() {
+    java.lang.Object ref = "";
+    if (flowCase_ == 2) {
+      ref = flow_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (flowCase_ == 2) {
+        flow_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FLOW_CONTENT_FIELD_NUMBER = 3;
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  @java.lang.Override
+  public boolean hasFlowContent() {
+    return flowCase_ == 3;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return The flowContent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowContent() {
+    if (flowCase_ == 3) {
+      return (com.google.protobuf.ByteString) flow_;
+    }
+    return com.google.protobuf.ByteString.EMPTY;
+  }
+
+  public static final int IMPORT_OPTION_FIELD_NUMBER = 4;
+  private int importOption_;
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+   * </code>
+   *
+   * @return The enum numeric value on the wire for importOption.
+   */
+  @java.lang.Override
+  public int getImportOptionValue() {
+    return importOption_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+   * </code>
+   *
+   * @return The importOption.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption getImportOption() {
+    @SuppressWarnings("deprecation")
+    com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption result =
+        com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption.valueOf(
+            importOption_);
+    return result == null
+        ? com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption.UNRECOGNIZED
+        : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getParentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    }
+    if (flowCase_ == 2) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, flow_);
+    }
+    if (flowCase_ == 3) {
+      output.writeBytes(3, (com.google.protobuf.ByteString) flow_);
+    }
+    if (importOption_
+        != com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption
+            .IMPORT_OPTION_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(4, importOption_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getParentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    }
+    if (flowCase_ == 2) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, flow_);
+    }
+    if (flowCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBytesSize(
+              3, (com.google.protobuf.ByteString) flow_);
+    }
+    if (importOption_
+        != com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption
+            .IMPORT_OPTION_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, importOption_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest other =
+        (com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (importOption_ != other.importOption_) return false;
+    if (!getFlowCase().equals(other.getFlowCase())) return false;
+    switch (flowCase_) {
+      case 2:
+        if (!getFlowUri().equals(other.getFlowUri())) return false;
+        break;
+      case 3:
+        if (!getFlowContent().equals(other.getFlowContent())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    hash = (37 * hash) + IMPORT_OPTION_FIELD_NUMBER;
+    hash = (53 * hash) + importOption_;
+    switch (flowCase_) {
+      case 2:
+        hash = (37 * hash) + FLOW_URI_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowUri().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + FLOW_CONTENT_FIELD_NUMBER;
+        hash = (53 * hash) + getFlowContent().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.class,
+              com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      parent_ = "";
+
+      importOption_ = 0;
+
+      flowCase_ = 0;
+      flow_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest build() {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest buildPartial() {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest result =
+          new com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest(this);
+      result.parent_ = parent_;
+      if (flowCase_ == 2) {
+        result.flow_ = flow_;
+      }
+      if (flowCase_ == 3) {
+        result.flow_ = flow_;
+      }
+      result.importOption_ = importOption_;
+      result.flowCase_ = flowCase_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest other) {
+      if (other == com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.getDefaultInstance())
+        return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        onChanged();
+      }
+      if (other.importOption_ != 0) {
+        setImportOptionValue(other.getImportOptionValue());
+      }
+      switch (other.getFlowCase()) {
+        case FLOW_URI:
+          {
+            flowCase_ = 2;
+            flow_ = other.flow_;
+            onChanged();
+            break;
+          }
+        case FLOW_CONTENT:
+          {
+            setFlowContent(other.getFlowContent());
+            break;
+          }
+        case FLOW_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int flowCase_ = 0;
+    private java.lang.Object flow_;
+
+    public FlowCase getFlowCase() {
+      return FlowCase.forNumber(flowCase_);
+    }
+
+    public Builder clearFlow() {
+      flowCase_ = 0;
+      flow_ = null;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object parent_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+
+      parent_ = getDefaultInstance().getParent();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The agent to import the flow into.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return Whether the flowUri field is set.
+     */
+    @java.lang.Override
+    public boolean hasFlowUri() {
+      return flowCase_ == 2;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return The flowUri.
+     */
+    @java.lang.Override
+    public java.lang.String getFlowUri() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 2) {
+        ref = flow_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (flowCase_ == 2) {
+          flow_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return The bytes for flowUri.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFlowUriBytes() {
+      java.lang.Object ref = "";
+      if (flowCase_ == 2) {
+        ref = flow_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (flowCase_ == 2) {
+          flow_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @param value The flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowUri() {
+      if (flowCase_ == 2) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+     * to import flow from. The format of this URI must be
+     * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+     * </pre>
+     *
+     * <code>string flow_uri = 2;</code>
+     *
+     * @param value The bytes for flowUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      flowCase_ = 2;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return Whether the flowContent field is set.
+     */
+    public boolean hasFlowContent() {
+      return flowCase_ == 3;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return The flowContent.
+     */
+    public com.google.protobuf.ByteString getFlowContent() {
+      if (flowCase_ == 3) {
+        return (com.google.protobuf.ByteString) flow_;
+      }
+      return com.google.protobuf.ByteString.EMPTY;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @param value The flowContent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowContent(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      flowCase_ = 3;
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Uncompressed raw byte content for flow.
+     * </pre>
+     *
+     * <code>bytes flow_content = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlowContent() {
+      if (flowCase_ == 3) {
+        flowCase_ = 0;
+        flow_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    private int importOption_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for importOption.
+     */
+    @java.lang.Override
+    public int getImportOptionValue() {
+      return importOption_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for importOption to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImportOptionValue(int value) {
+
+      importOption_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+     * </code>
+     *
+     * @return The importOption.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption getImportOption() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption result =
+          com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption.valueOf(
+              importOption_);
+      return result == null
+          ? com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+     * </code>
+     *
+     * @param value The importOption to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImportOption(
+        com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      importOption_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Flow import mode. If not specified, `KEEP` is assumed.
+     * </pre>
+     *
+     * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearImportOption() {
+
+      importOption_ = 0;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)
+  private static final com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImportFlowRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ImportFlowRequest>() {
+        @java.lang.Override
+        public ImportFlowRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ImportFlowRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImportFlowRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImportFlowRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequestOrBuilder.java
new file mode 100644
index 000000000..3370b3f98
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequestOrBuilder.java
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+public interface ImportFlowRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The agent to import the flow into.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;`.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return Whether the flowUri field is set.
+   */
+  boolean hasFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The flowUri.
+   */
+  java.lang.String getFlowUri();
+  /**
+   *
+   *
+   * <pre>
+   * The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+   * to import flow from. The format of this URI must be
+   * `gs://&lt;bucket-name&gt;/&lt;object-name&gt;`.
+   * </pre>
+   *
+   * <code>string flow_uri = 2;</code>
+   *
+   * @return The bytes for flowUri.
+   */
+  com.google.protobuf.ByteString getFlowUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return Whether the flowContent field is set.
+   */
+  boolean hasFlowContent();
+  /**
+   *
+   *
+   * <pre>
+   * Uncompressed raw byte content for flow.
+   * </pre>
+   *
+   * <code>bytes flow_content = 3;</code>
+   *
+   * @return The flowContent.
+   */
+  com.google.protobuf.ByteString getFlowContent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+   * </code>
+   *
+   * @return The enum numeric value on the wire for importOption.
+   */
+  int getImportOptionValue();
+  /**
+   *
+   *
+   * <pre>
+   * Flow import mode. If not specified, `KEEP` is assumed.
+   * </pre>
+   *
+   * <code>.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption import_option = 4;
+   * </code>
+   *
+   * @return The importOption.
+   */
+  com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.ImportOption getImportOption();
+
+  public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowRequest.FlowCase getFlowCase();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponse.java
new file mode 100644
index 000000000..5bde55f34
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponse.java
@@ -0,0 +1,651 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+/**
+ *
+ *
+ * <pre>
+ * The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse}
+ */
+public final class ImportFlowResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)
+    ImportFlowResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ImportFlowResponse.newBuilder() to construct.
+  private ImportFlowResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImportFlowResponse() {
+    flow_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ImportFlowResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ImportFlowResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              flow_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+        .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.class,
+            com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.Builder.class);
+  }
+
+  public static final int FLOW_FIELD_NUMBER = 1;
+  private volatile java.lang.Object flow_;
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The flow.
+   */
+  @java.lang.Override
+  public java.lang.String getFlow() {
+    java.lang.Object ref = flow_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      flow_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for flow.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFlowBytes() {
+    java.lang.Object ref = flow_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      flow_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getFlowBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, flow_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getFlowBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, flow_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse other =
+        (com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse) obj;
+
+    if (!getFlow().equals(other.getFlow())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + FLOW_FIELD_NUMBER;
+    hash = (53 * hash) + getFlow().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.class,
+              com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      flow_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.FlowProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_ImportFlowResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse build() {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse buildPartial() {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse result =
+          new com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse(this);
+      result.flow_ = flow_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse) {
+        return mergeFrom((com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse other) {
+      if (other == com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse.getDefaultInstance())
+        return this;
+      if (!other.getFlow().isEmpty()) {
+        flow_ = other.flow_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object flow_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The flow.
+     */
+    public java.lang.String getFlow() {
+      java.lang.Object ref = flow_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        flow_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return The bytes for flow.
+     */
+    public com.google.protobuf.ByteString getFlowBytes() {
+      java.lang.Object ref = flow_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        flow_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The flow to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlow(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlow() {
+
+      flow_ = getDefaultInstance().getFlow();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The unique identifier of the new flow.
+     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+     * ID&gt;/flows/&lt;Flow ID&gt;`.
+     * </pre>
+     *
+     * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+     *
+     * @param value The bytes for flow to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlowBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      flow_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)
+  private static final com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse();
+  }
+
+  public static com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImportFlowResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ImportFlowResponse>() {
+        @java.lang.Override
+        public ImportFlowResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ImportFlowResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImportFlowResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImportFlowResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponseOrBuilder.java
new file mode 100644
index 000000000..fd9909e86
--- /dev/null
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponseOrBuilder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/dialogflow/cx/v3beta1/flow.proto
+
+package com.google.cloud.dialogflow.cx.v3beta1;
+
+public interface ImportFlowResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3beta1.ImportFlowResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The flow.
+   */
+  java.lang.String getFlow();
+  /**
+   *
+   *
+   * <pre>
+   * The unique identifier of the new flow.
+   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
+   * ID&gt;/flows/&lt;Flow ID&gt;`.
+   * </pre>
+   *
+   * <code>string flow = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for flow.
+   */
+  com.google.protobuf.ByteString getFlowBytes();
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequest.java
index f7ceb1f28..476aaf4be 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequest.java
@@ -264,7 +264,9 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -295,7 +297,9 @@ public java.lang.String getLanguageCode() {
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -976,7 +980,9 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1006,7 +1012,9 @@ public java.lang.String getLanguageCode() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1036,7 +1044,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1065,7 +1075,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1090,7 +1102,9 @@ public Builder clearLanguageCode() {
      * The language to list flows for. The following fields are language
      * dependent:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequestOrBuilder.java
index 8b466a093..7999b84c0 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListFlowsRequestOrBuilder.java
@@ -100,7 +100,9 @@ public interface ListFlowsRequestOrBuilder
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -120,7 +122,9 @@ public interface ListFlowsRequestOrBuilder
    * The language to list flows for. The following fields are language
    * dependent:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequest.java
index fa191b47a..60ce2166c 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequest.java
@@ -198,11 +198,17 @@ public com.google.protobuf.ByteString getParentBytes() {
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -233,11 +239,17 @@ public java.lang.String getLanguageCode() {
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -830,11 +842,17 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -864,11 +882,17 @@ public java.lang.String getLanguageCode() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -898,11 +922,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -931,11 +961,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -960,11 +996,17 @@ public Builder clearLanguageCode() {
      * The language to list pages for. The following fields are language
      * dependent:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequestOrBuilder.java
index c15da5a58..a94328770 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListPagesRequestOrBuilder.java
@@ -63,11 +63,17 @@ public interface ListPagesRequestOrBuilder
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -87,11 +93,17 @@ public interface ListPagesRequestOrBuilder
    * The language to list pages for. The following fields are language
    * dependent:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequest.java
index edfa6534b..14f8a48ca 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequest.java
@@ -264,9 +264,11 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -294,9 +296,11 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -990,9 +994,11 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1019,9 +1025,11 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1048,9 +1056,11 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1076,9 +1086,11 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1100,9 +1112,11 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language to list transition route groups for. The following fields are
+     * language dependent:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequestOrBuilder.java
index fc429287b..b6c96523d 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ListTransitionRouteGroupsRequestOrBuilder.java
@@ -99,9 +99,11 @@ public interface ListTransitionRouteGroupsRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -118,9 +120,11 @@ public interface ListTransitionRouteGroupsRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language to list transition route groups for. The following fields are
+   * language dependent:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequest.java
index b8172e49a..26b28f11d 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequest.java
@@ -122,7 +122,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -149,7 +149,7 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -179,10 +179,10 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * This field is used to prevent accidental overwrite of other agent resources
-   * in the draft version, which can potentially impact other flow's behavior.
-   * If `allow_override_agent_resources` is false, conflicted agent-level
-   * resources will not be overridden (i.e. intents, entities, webhooks).
+   * This field is used to prevent accidental overwrite of other agent
+   * resources, which can potentially impact other flow's behavior. If
+   * `allow_override_agent_resources` is false, conflicted agent-level resources
+   * will not be overridden (i.e. intents, entities, webhooks).
    * </pre>
    *
    * <code>bool allow_override_agent_resources = 2;</code>
@@ -534,7 +534,7 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -560,7 +560,7 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -586,7 +586,7 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -611,7 +611,7 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -632,7 +632,7 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+     * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
      * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
      * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
      * </pre>
@@ -660,10 +660,10 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
@@ -678,10 +678,10 @@ public boolean getAllowOverrideAgentResources() {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
@@ -699,10 +699,10 @@ public Builder setAllowOverrideAgentResources(boolean value) {
      *
      *
      * <pre>
-     * This field is used to prevent accidental overwrite of other agent resources
-     * in the draft version, which can potentially impact other flow's behavior.
-     * If `allow_override_agent_resources` is false, conflicted agent-level
-     * resources will not be overridden (i.e. intents, entities, webhooks).
+     * This field is used to prevent accidental overwrite of other agent
+     * resources, which can potentially impact other flow's behavior. If
+     * `allow_override_agent_resources` is false, conflicted agent-level resources
+     * will not be overridden (i.e. intents, entities, webhooks).
      * </pre>
      *
      * <code>bool allow_override_agent_resources = 2;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequestOrBuilder.java
index de3483f42..8404435e0 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LoadVersionRequestOrBuilder.java
@@ -27,7 +27,7 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -43,7 +43,7 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+   * Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
    * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
    * ID&gt;/flows/&lt;Flow ID&gt;/versions/&lt;Version ID&gt;`.
    * </pre>
@@ -60,10 +60,10 @@ public interface LoadVersionRequestOrBuilder
    *
    *
    * <pre>
-   * This field is used to prevent accidental overwrite of other agent resources
-   * in the draft version, which can potentially impact other flow's behavior.
-   * If `allow_override_agent_resources` is false, conflicted agent-level
-   * resources will not be overridden (i.e. intents, entities, webhooks).
+   * This field is used to prevent accidental overwrite of other agent
+   * resources, which can potentially impact other flow's behavior. If
+   * `allow_override_agent_resources` is false, conflicted agent-level resources
+   * will not be overridden (i.e. intents, entities, webhooks).
    * </pre>
    *
    * <code>bool allow_override_agent_resources = 2;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Match.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Match.java
index 6b0f8f511..c44a563eb 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Match.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/Match.java
@@ -414,9 +414,10 @@ private MatchType(int value) {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -431,9 +432,10 @@ public boolean hasIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -450,9 +452,10 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent getIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1145,9 +1148,10 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1161,9 +1165,10 @@ public boolean hasIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1183,9 +1188,10 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent getIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1207,9 +1213,10 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3beta1.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1229,9 +1236,10 @@ public Builder setIntent(
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1257,9 +1265,10 @@ public Builder mergeIntent(com.google.cloud.dialogflow.cx.v3beta1.Intent value)
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1279,9 +1288,10 @@ public Builder clearIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1295,9 +1305,10 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent.Builder getIntentBuilder()
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -1315,9 +1326,10 @@ public com.google.cloud.dialogflow.cx.v3beta1.IntentOrBuilder getIntentOrBuilder
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-     * this message, including but not limited to: `name` and `display_name`. Only
-     * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * query. Some, not all fields are filled in this message, including but not
+     * limited to: `name` and `display_name`. Only filled for
+     * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponse.java
index 3800c784b..6139e8682 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponse.java
@@ -221,8 +221,8 @@ public QueryCase getQueryCase() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -236,8 +236,8 @@ public boolean hasText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -264,8 +264,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -294,10 +294,10 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -311,10 +311,10 @@ public boolean hasTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -341,10 +341,10 @@ public java.lang.String getTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -373,8 +373,9 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -388,8 +389,9 @@ public boolean hasTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -416,8 +418,9 @@ public java.lang.String getTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -446,8 +449,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -461,8 +464,8 @@ public boolean hasTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -489,8 +492,8 @@ public java.lang.String getTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -594,8 +597,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.MatchOrBuilder getMatchesOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -610,8 +614,9 @@ public boolean hasCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -628,8 +633,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page getCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -1156,8 +1162,8 @@ public Builder clearQuery() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1172,8 +1178,8 @@ public boolean hasText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1201,8 +1207,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1230,8 +1236,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1252,8 +1258,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1272,8 +1278,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -1296,10 +1302,10 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1314,10 +1320,10 @@ public boolean hasTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1345,10 +1351,10 @@ public java.lang.String getTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1376,10 +1382,10 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1400,10 +1406,10 @@ public Builder setTriggerIntent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1422,10 +1428,10 @@ public Builder clearTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -1448,8 +1454,9 @@ public Builder setTriggerIntentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1464,8 +1471,9 @@ public boolean hasTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1493,8 +1501,9 @@ public java.lang.String getTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1522,8 +1531,9 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1544,8 +1554,9 @@ public Builder setTranscript(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1564,8 +1575,9 @@ public Builder clearTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 3;</code>
@@ -1588,8 +1600,8 @@ public Builder setTranscriptBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1604,8 +1616,8 @@ public boolean hasTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1633,8 +1645,8 @@ public java.lang.String getTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1662,8 +1674,8 @@ public com.google.protobuf.ByteString getTriggerEventBytes() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1684,8 +1696,8 @@ public Builder setTriggerEvent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -1704,8 +1716,8 @@ public Builder clearTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-     * contain a copy of the event name.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain a copy of the event name.
      * </pre>
      *
      * <code>string trigger_event = 6;</code>
@@ -2102,8 +2114,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Match.Builder addMatchesBuilder(in
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2117,8 +2130,9 @@ public boolean hasCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2138,8 +2152,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page getCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2161,8 +2176,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3beta1.Page value)
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2182,8 +2198,9 @@ public Builder setCurrentPage(
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2209,8 +2226,9 @@ public Builder mergeCurrentPage(com.google.cloud.dialogflow.cx.v3beta1.Page valu
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2230,8 +2248,9 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2245,8 +2264,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page.Builder getCurrentPageBuilder
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -2264,8 +2284,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getCurrentPageOrBuil
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponseOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponseOrBuilder.java
index ffe7b42d1..2b9c87ddf 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponseOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchIntentResponseOrBuilder.java
@@ -27,8 +27,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -40,8 +40,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -53,8 +53,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -67,10 +67,10 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -82,10 +82,10 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -97,10 +97,10 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 2 [(.google.api.resource_reference) = { ... }</code>
@@ -113,8 +113,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -126,8 +127,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -139,8 +141,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 3;</code>
@@ -153,8 +156,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -166,8 +169,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -179,8 +182,8 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-   * contain a copy of the event name.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain a copy of the event name.
    * </pre>
    *
    * <code>string trigger_event = 6;</code>
@@ -250,8 +253,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -263,8 +267,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
@@ -276,8 +281,9 @@ public interface MatchIntentResponseOrBuilder
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 5;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchOrBuilder.java
index 1eca0a51c..54aa6db8b 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/MatchOrBuilder.java
@@ -27,9 +27,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -41,9 +42,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
@@ -55,9 +57,10 @@ public interface MatchOrBuilder
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-   * this message, including but not limited to: `name` and `display_name`. Only
-   * filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * query. Some, not all fields are filled in this message, including but not
+   * limited to: `name` and `display_name`. Only filled for
+   * [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 1;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParameters.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParameters.java
index b56525a93..42e066723 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParameters.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParameters.java
@@ -415,6 +415,17 @@ public com.google.cloud.dialogflow.cx.v3beta1.SessionEntityType getSessionEntity
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -431,6 +442,17 @@ public boolean hasPayload() {
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -447,6 +469,17 @@ public com.google.protobuf.Struct getPayload() {
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -556,16 +589,19 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+   * The unique identifier of the
+   * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
    * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
    * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+   * and
+   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -588,16 +624,19 @@ public java.lang.String getCurrentPage() {
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+   * The unique identifier of the
+   * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
    * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
    * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+   * and
+   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2082,6 +2121,17 @@ public Builder removeSessionEntityTypes(int index) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2097,6 +2147,17 @@ public boolean hasPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2116,6 +2177,17 @@ public com.google.protobuf.Struct getPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2139,6 +2211,17 @@ public Builder setPayload(com.google.protobuf.Struct value) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2159,6 +2242,17 @@ public Builder setPayload(com.google.protobuf.Struct.Builder builderForValue) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2184,6 +2278,17 @@ public Builder mergePayload(com.google.protobuf.Struct value) {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2205,6 +2310,17 @@ public Builder clearPayload() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2220,6 +2336,17 @@ public com.google.protobuf.Struct.Builder getPayloadBuilder() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2237,6 +2364,17 @@ public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
      * <pre>
      * This field can be used to pass custom data into the webhook associated with
      * the agent. Arbitrary JSON objects are supported.
+     * Some integrations that query a Dialogflow agent may provide additional
+     * information in the payload.
+     * In particular, for the Dialogflow Phone Gateway integration, this field has
+     * the form:
+     * ```
+     * {
+     *  "telephony": {
+     *    "caller_id": "+18558363987"
+     *  }
+     * }
+     * ```
      * </pre>
      *
      * <code>.google.protobuf.Struct payload = 4;</code>
@@ -2586,16 +2724,19 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+     * The unique identifier of the
+     * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
      * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
      * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+     * and
+     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2617,16 +2758,19 @@ public java.lang.String getCurrentPage() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+     * The unique identifier of the
+     * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
      * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
      * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+     * and
+     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2648,16 +2792,19 @@ public com.google.protobuf.ByteString getCurrentPageBytes() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+     * The unique identifier of the
+     * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
      * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
      * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+     * and
+     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2678,16 +2825,19 @@ public Builder setCurrentPage(java.lang.String value) {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+     * The unique identifier of the
+     * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
      * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
      * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+     * and
+     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -2704,16 +2854,19 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+     * The unique identifier of the
+     * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
      * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
      * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
      * If `current_page` is specified, the previous state of the session will be
      * ignored by Dialogflow, including the [previous
      * page][QueryResult.current_page] and the [previous session
      * parameters][QueryResult.parameters].
-     * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-     * direct a session to a specific state.
+     * In most cases,
+     * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+     * and
+     * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+     * should be configured together to direct a session to a specific state.
      * </pre>
      *
      * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParametersOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParametersOrBuilder.java
index c206f1b6b..2363b4999 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParametersOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryParametersOrBuilder.java
@@ -164,6 +164,17 @@ com.google.cloud.dialogflow.cx.v3beta1.SessionEntityTypeOrBuilder getSessionEnti
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -177,6 +188,17 @@ com.google.cloud.dialogflow.cx.v3beta1.SessionEntityTypeOrBuilder getSessionEnti
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -190,6 +212,17 @@ com.google.cloud.dialogflow.cx.v3beta1.SessionEntityTypeOrBuilder getSessionEnti
    * <pre>
    * This field can be used to pass custom data into the webhook associated with
    * the agent. Arbitrary JSON objects are supported.
+   * Some integrations that query a Dialogflow agent may provide additional
+   * information in the payload.
+   * In particular, for the Dialogflow Phone Gateway integration, this field has
+   * the form:
+   * ```
+   * {
+   *  "telephony": {
+   *    "caller_id": "+18558363987"
+   *  }
+   * }
+   * ```
    * </pre>
    *
    * <code>.google.protobuf.Struct payload = 4;</code>
@@ -283,16 +316,19 @@ com.google.cloud.dialogflow.cx.v3beta1.SessionEntityTypeOrBuilder getSessionEnti
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+   * The unique identifier of the
+   * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
    * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
    * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+   * and
+   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
@@ -304,16 +340,19 @@ com.google.cloud.dialogflow.cx.v3beta1.SessionEntityTypeOrBuilder getSessionEnti
    *
    *
    * <pre>
-   * The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+   * The unique identifier of the
+   * [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
    * page][QueryResult.current_page] in the session. Format: `projects/&lt;Project
    * ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent ID&gt;/pages/&lt;page ID&gt;`.
    * If `current_page` is specified, the previous state of the session will be
    * ignored by Dialogflow, including the [previous
    * page][QueryResult.current_page] and the [previous session
    * parameters][QueryResult.parameters].
-   * In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-   * direct a session to a specific state.
+   * In most cases,
+   * [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+   * and
+   * [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+   * should be configured together to direct a session to a specific state.
    * </pre>
    *
    * <code>string current_page = 6 [(.google.api.resource_reference) = { ... }</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
index ea52600be..a10753575 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
@@ -345,8 +345,8 @@ public QueryCase getQueryCase() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -360,8 +360,8 @@ public boolean hasText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -388,8 +388,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -418,10 +418,10 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -435,10 +435,10 @@ public boolean hasTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -465,10 +465,10 @@ public java.lang.String getTriggerIntent() {
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -497,8 +497,9 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -512,8 +513,9 @@ public boolean hasTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -540,8 +542,9 @@ public java.lang.String getTranscript() {
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -570,8 +573,8 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -585,8 +588,8 @@ public boolean hasTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -613,8 +616,8 @@ public java.lang.String getTriggerEvent() {
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -699,7 +702,8 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -727,7 +731,8 @@ public boolean hasParameters() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -755,7 +760,8 @@ public com.google.protobuf.Struct getParameters() {
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -939,8 +945,9 @@ public com.google.rpc.StatusOrBuilder getWebhookStatusesOrBuilder(int index) {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -954,8 +961,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -970,8 +978,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -985,8 +994,9 @@ public int getWebhookPayloadsCount() {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -1000,8 +1010,9 @@ public com.google.protobuf.Struct getWebhookPayloads(int index) {
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -1018,8 +1029,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -1034,8 +1046,9 @@ public boolean hasCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -1052,8 +1065,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page getCurrentPage() {
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -1069,10 +1083,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getCurrentPageOrBuil
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -1088,10 +1104,12 @@ public boolean hasIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -1109,10 +1127,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent getIntent() {
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -1135,7 +1155,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.IntentOrBuilder getIntentOrBuilder
    * help match the best intent within the classification threshold.
    * This value may change for the same end-user expression at any time due to a
    * model retraining or change in implementation.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * This field is deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -1258,7 +1280,8 @@ public com.google.protobuf.StructOrBuilder getDiagnosticInfoOrBuilder() {
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
@@ -1277,7 +1300,8 @@ public boolean hasSentimentAnalysisResult() {
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
@@ -1299,7 +1323,8 @@ public boolean hasSentimentAnalysisResult() {
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
@@ -2110,8 +2135,8 @@ public Builder clearQuery() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2126,8 +2151,8 @@ public boolean hasText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2155,8 +2180,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2184,8 +2209,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2206,8 +2231,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2226,8 +2251,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-     * will contain a copy of the text.
+     * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+     * was provided as input, this field will contain a copy of the text.
      * </pre>
      *
      * <code>string text = 1;</code>
@@ -2250,10 +2275,10 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2268,10 +2293,10 @@ public boolean hasTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2299,10 +2324,10 @@ public java.lang.String getTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2330,10 +2355,10 @@ public com.google.protobuf.ByteString getTriggerIntentBytes() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2354,10 +2379,10 @@ public Builder setTriggerIntent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2376,10 +2401,10 @@ public Builder clearTriggerIntent() {
      *
      *
      * <pre>
-     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-     * contain a copy of the intent identifier.
-     * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-     * ID&gt;/intents/&lt;Intent ID&gt;`.
+     * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+     * provided as input, this field will contain a copy of the intent
+     * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+     * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
      * </pre>
      *
      * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -2402,8 +2427,9 @@ public Builder setTriggerIntentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2418,8 +2444,9 @@ public boolean hasTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2447,8 +2474,9 @@ public java.lang.String getTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2476,8 +2504,9 @@ public com.google.protobuf.ByteString getTranscriptBytes() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2498,8 +2527,9 @@ public Builder setTranscript(java.lang.String value) {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2518,8 +2548,9 @@ public Builder clearTranscript() {
      *
      *
      * <pre>
-     * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-     * this field will contain the transcript for the audio.
+     * If [natural language speech
+     * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+     * input, this field will contain the transcript for the audio.
      * </pre>
      *
      * <code>string transcript = 12;</code>
@@ -2542,8 +2573,8 @@ public Builder setTranscriptBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2558,8 +2589,8 @@ public boolean hasTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2587,8 +2618,8 @@ public java.lang.String getTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2616,8 +2647,8 @@ public com.google.protobuf.ByteString getTriggerEventBytes() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2638,8 +2669,8 @@ public Builder setTriggerEvent(java.lang.String value) {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2658,8 +2689,8 @@ public Builder clearTriggerEvent() {
      *
      *
      * <pre>
-     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-     * the name of the event.
+     * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+     * as input, this field will contain the name of the event.
      * </pre>
      *
      * <code>string trigger_event = 14;</code>
@@ -2809,7 +2840,8 @@ public Builder setLanguageCodeBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2836,7 +2868,8 @@ public boolean hasParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2867,7 +2900,8 @@ public com.google.protobuf.Struct getParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2902,7 +2936,8 @@ public Builder setParameters(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2934,7 +2969,8 @@ public Builder setParameters(com.google.protobuf.Struct.Builder builderForValue)
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -2971,7 +3007,8 @@ public Builder mergeParameters(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3004,7 +3041,8 @@ public Builder clearParameters() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3031,7 +3069,8 @@ public com.google.protobuf.Struct.Builder getParametersBuilder() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3060,7 +3099,8 @@ public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
      *
      *
      * <pre>
-     * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+     * The collected [session
+     * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
      * Depending on your protocol or client library language, this is a
      * map, associative array, symbol table, dictionary, or JSON object
      * composed of a collection of (MapKey, MapValue) pairs:
@@ -3879,8 +3919,9 @@ private void ensureWebhookPayloadsIsMutable() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3897,8 +3938,9 @@ public java.util.List<com.google.protobuf.Struct> getWebhookPayloadsList() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3915,8 +3957,9 @@ public int getWebhookPayloadsCount() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3933,8 +3976,9 @@ public com.google.protobuf.Struct getWebhookPayloads(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3957,8 +4001,9 @@ public Builder setWebhookPayloads(int index, com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -3979,8 +4024,9 @@ public Builder setWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4003,8 +4049,9 @@ public Builder addWebhookPayloads(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4027,8 +4074,9 @@ public Builder addWebhookPayloads(int index, com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4048,8 +4096,9 @@ public Builder addWebhookPayloads(com.google.protobuf.Struct.Builder builderForV
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4070,8 +4119,9 @@ public Builder addWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4092,8 +4142,9 @@ public Builder addAllWebhookPayloads(
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4113,8 +4164,9 @@ public Builder clearWebhookPayloads() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4134,8 +4186,9 @@ public Builder removeWebhookPayloads(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4148,8 +4201,9 @@ public com.google.protobuf.Struct.Builder getWebhookPayloadsBuilder(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4166,8 +4220,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4185,8 +4240,9 @@ public com.google.protobuf.StructOrBuilder getWebhookPayloadsOrBuilder(int index
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4200,8 +4256,9 @@ public com.google.protobuf.Struct.Builder addWebhookPayloadsBuilder() {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4215,8 +4272,9 @@ public com.google.protobuf.Struct.Builder addWebhookPayloadsBuilder(int index) {
      *
      *
      * <pre>
-     * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-     * the order of call sequence. If some webhook call fails or doesn't return
+     * The list of webhook payload in
+     * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+     * in the order of call sequence. If some webhook call fails or doesn't return
      * any payload, an empty `Struct` would be used instead.
      * </pre>
      *
@@ -4256,8 +4314,9 @@ public java.util.List<com.google.protobuf.Struct.Builder> getWebhookPayloadsBuil
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4271,8 +4330,9 @@ public boolean hasCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4292,8 +4352,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page getCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4315,8 +4376,9 @@ public Builder setCurrentPage(com.google.cloud.dialogflow.cx.v3beta1.Page value)
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4336,8 +4398,9 @@ public Builder setCurrentPage(
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4363,8 +4426,9 @@ public Builder mergeCurrentPage(com.google.cloud.dialogflow.cx.v3beta1.Page valu
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4384,8 +4448,9 @@ public Builder clearCurrentPage() {
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4399,8 +4464,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.Page.Builder getCurrentPageBuilder
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4418,8 +4484,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getCurrentPageOrBuil
      *
      *
      * <pre>
-     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-     * including but not limited to `name` and `display_name`.
+     * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+     * fields are filled in this message, including but not limited to `name` and
+     * `display_name`.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -4451,10 +4518,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getCurrentPageOrBuil
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4469,10 +4538,12 @@ public boolean hasIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4493,10 +4564,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent getIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4519,10 +4592,12 @@ public Builder setIntent(com.google.cloud.dialogflow.cx.v3beta1.Intent value) {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4543,10 +4618,12 @@ public Builder setIntent(
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4573,10 +4650,12 @@ public Builder mergeIntent(com.google.cloud.dialogflow.cx.v3beta1.Intent value)
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4597,10 +4676,12 @@ public Builder clearIntent() {
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4615,10 +4696,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.Intent.Builder getIntentBuilder()
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4637,10 +4720,12 @@ public com.google.cloud.dialogflow.cx.v3beta1.IntentOrBuilder getIntentOrBuilder
      *
      *
      * <pre>
-     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-     * are filled in this message, including but not limited to: `name` and
-     * `display_name`.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+     * conversational query. Some, not all fields are filled in this message,
+     * including but not limited to: `name` and `display_name`. This field is
+     * deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -4673,7 +4758,9 @@ public com.google.cloud.dialogflow.cx.v3beta1.IntentOrBuilder getIntentOrBuilder
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -4695,7 +4782,9 @@ public float getIntentDetectionConfidence() {
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -4720,7 +4809,9 @@ public Builder setIntentDetectionConfidence(float value) {
      * help match the best intent within the classification threshold.
      * This value may change for the same end-user expression at any time due to a
      * model retraining or change in implementation.
-     * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+     * This field is deprecated, please use
+     * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+     * instead.
      * </pre>
      *
      * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -5135,7 +5226,8 @@ public com.google.protobuf.StructOrBuilder getDiagnosticInfoOrBuilder() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5153,7 +5245,8 @@ public boolean hasSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5178,7 +5271,8 @@ public boolean hasSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5205,7 +5299,8 @@ public Builder setSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5229,7 +5324,8 @@ public Builder setSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5261,7 +5357,8 @@ public Builder mergeSentimentAnalysisResult(
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5285,7 +5382,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5304,7 +5402,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
@@ -5327,7 +5426,8 @@ public Builder clearSentimentAnalysisResult() {
      * <pre>
      * The sentiment analyss result, which depends on
      * [`analyze_query_text_sentiment`]
-     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+     * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+     * specified in the request.
      * </pre>
      *
      * <code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
index 57ec257b5..ee8d3a6af 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
@@ -27,8 +27,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -40,8 +40,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -53,8 +53,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-   * will contain a copy of the text.
+   * If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+   * was provided as input, this field will contain a copy of the text.
    * </pre>
    *
    * <code>string text = 1;</code>
@@ -67,10 +67,10 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -82,10 +82,10 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -97,10 +97,10 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-   * contain a copy of the intent identifier.
-   * Format: `projects/&lt;Project ID&gt;/locations/&lt;Location ID&gt;/agents/&lt;Agent
-   * ID&gt;/intents/&lt;Intent ID&gt;`.
+   * If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+   * provided as input, this field will contain a copy of the intent
+   * identifier. Format: `projects/&lt;Project ID&gt;/locations/&lt;Location
+   * ID&gt;/agents/&lt;Agent ID&gt;/intents/&lt;Intent ID&gt;`.
    * </pre>
    *
    * <code>string trigger_intent = 11 [(.google.api.resource_reference) = { ... }</code>
@@ -113,8 +113,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -126,8 +127,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -139,8 +141,9 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-   * this field will contain the transcript for the audio.
+   * If [natural language speech
+   * audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+   * input, this field will contain the transcript for the audio.
    * </pre>
    *
    * <code>string transcript = 12;</code>
@@ -153,8 +156,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -166,8 +169,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -179,8 +182,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-   * the name of the event.
+   * If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+   * as input, this field will contain the name of the event.
    * </pre>
    *
    * <code>string trigger_event = 14;</code>
@@ -224,7 +227,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -249,7 +253,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -274,7 +279,8 @@ public interface QueryResultOrBuilder
    *
    *
    * <pre>
-   * The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+   * The collected [session
+   * parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
    * Depending on your protocol or client library language, this is a
    * map, associative array, symbol table, dictionary, or JSON object
    * composed of a collection of (MapKey, MapValue) pairs:
@@ -417,8 +423,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -429,8 +436,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -441,8 +449,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -453,8 +462,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -465,8 +475,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-   * the order of call sequence. If some webhook call fails or doesn't return
+   * The list of webhook payload in
+   * [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+   * in the order of call sequence. If some webhook call fails or doesn't return
    * any payload, an empty `Struct` would be used instead.
    * </pre>
    *
@@ -478,8 +489,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -491,8 +503,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -504,8 +517,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-   * including but not limited to `name` and `display_name`.
+   * The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+   * fields are filled in this message, including but not limited to `name` and
+   * `display_name`.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Page current_page = 7;</code>
@@ -516,10 +530,12 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -532,10 +548,12 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -548,10 +566,12 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    *
    * <pre>
-   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-   * are filled in this message, including but not limited to: `name` and
-   * `display_name`.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+   * conversational query. Some, not all fields are filled in this message,
+   * including but not limited to: `name` and `display_name`. This field is
+   * deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>.google.cloud.dialogflow.cx.v3beta1.Intent intent = 8 [deprecated = true];</code>
@@ -569,7 +589,9 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    * help match the best intent within the classification threshold.
    * This value may change for the same end-user expression at any time due to a
    * model retraining or change in implementation.
-   * This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+   * This field is deprecated, please use
+   * [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+   * instead.
    * </pre>
    *
    * <code>float intent_detection_confidence = 9 [deprecated = true];</code>
@@ -661,7 +683,8 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
@@ -677,7 +700,8 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
@@ -693,7 +717,8 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    * <pre>
    * The sentiment analyss result, which depends on
    * [`analyze_query_text_sentiment`]
-   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+   * [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+   * specified in the request.
    * </pre>
    *
    * <code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionProto.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionProto.java
index 55e6d9afd..5826fa7f8 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionProto.java
@@ -118,20 +118,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     java.lang.String[] descriptorData = {
       "\n0google/cloud/dialogflow/cx/v3beta1/ses"
           + "sion.proto\022\"google.cloud.dialogflow.cx.v"
-          + "3beta1\032\034google/api/annotations.proto\032\037go"
-          + "ogle/api/field_behavior.proto\032\031google/ap"
-          + "i/resource.proto\0325google/cloud/dialogflo"
-          + "w/cx/v3beta1/audio_config.proto\032-google/"
-          + "cloud/dialogflow/cx/v3beta1/flow.proto\032/"
-          + "google/cloud/dialogflow/cx/v3beta1/inten"
-          + "t.proto\032-google/cloud/dialogflow/cx/v3be"
-          + "ta1/page.proto\0329google/cloud/dialogflow/"
-          + "cx/v3beta1/response_message.proto\032<googl"
-          + "e/cloud/dialogflow/cx/v3beta1/session_en"
-          + "tity_type.proto\032\036google/protobuf/duratio"
-          + "n.proto\032\034google/protobuf/struct.proto\032\027g"
-          + "oogle/rpc/status.proto\032\030google/type/latl"
-          + "ng.proto\032\027google/api/client.proto\"\272\002\n\023De"
+          + "3beta1\032\034google/api/annotations.proto\032\027go"
+          + "ogle/api/client.proto\032\037google/api/field_"
+          + "behavior.proto\032\031google/api/resource.prot"
+          + "o\0325google/cloud/dialogflow/cx/v3beta1/au"
+          + "dio_config.proto\032-google/cloud/dialogflo"
+          + "w/cx/v3beta1/flow.proto\032/google/cloud/di"
+          + "alogflow/cx/v3beta1/intent.proto\032-google"
+          + "/cloud/dialogflow/cx/v3beta1/page.proto\032"
+          + "9google/cloud/dialogflow/cx/v3beta1/resp"
+          + "onse_message.proto\032<google/cloud/dialogf"
+          + "low/cx/v3beta1/session_entity_type.proto"
+          + "\032\036google/protobuf/duration.proto\032\034google"
+          + "/protobuf/struct.proto\032\027google/rpc/statu"
+          + "s.proto\032\030google/type/latlng.proto\"\272\002\n\023De"
           + "tectIntentRequest\022:\n\007session\030\001 \001(\tB)\340A\002\372"
           + "A#\n!dialogflow.googleapis.com/Session\022I\n"
           + "\014query_params\030\002 \001(\01323.google.cloud.dialo"
@@ -304,6 +304,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.AnnotationsProto.getDescriptor(),
+              com.google.api.ClientProto.getDescriptor(),
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.dialogflow.cx.v3beta1.AudioConfigProto.getDescriptor(),
@@ -316,7 +317,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.StructProto.getDescriptor(),
               com.google.rpc.StatusProto.getDescriptor(),
               com.google.type.LatLngProto.getDescriptor(),
-              com.google.api.ClientProto.getDescriptor(),
             });
     internal_static_google_cloud_dialogflow_cx_v3beta1_DetectIntentRequest_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -526,6 +526,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.dialogflow.cx.v3beta1.AudioConfigProto.getDescriptor();
@@ -538,7 +539,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.StructProto.getDescriptor();
     com.google.rpc.StatusProto.getDescriptor();
     com.google.type.LatLngProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentRequest.java
index d75112211..477ace2af 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentRequest.java
@@ -23,21 +23,26 @@
  *
  * <pre>
  * The top-level message sent by the client to the
- * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent] method.
+ * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent]
+ * method.
  * Multiple request messages should be sent in order:
  * 1.  The first message must contain
  * [session][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.session],
- *     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] plus optionally
- *     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params]. If the client
- *     wants to receive an audio response, it should also contain
+ *     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+ *     plus optionally
+ *     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params].
+ *     If the client wants to receive an audio response, it should also contain
  *     [output_audio_config][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.output_audio_config].
- * 2.  If [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] was set to
- *     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config], all subsequent messages
- *     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio] to continue with
- *     Speech recognition.
- *     If you decide to rather detect an intent from text
- *     input after you already started Speech recognition, please send a message
- *     with [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
+ * 2.  If
+ * [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+ * was set to
+ *     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config],
+ *     all subsequent messages must contain
+ *     [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio]
+ *     to continue with Speech recognition. If you decide to rather detect an
+ *     intent from text input after you already started Speech recognition,
+ *     please send a message with
+ *     [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
  *     However, note that:
  *     * Dialogflow will bill you for the audio duration so far.
  *     * Dialogflow discards all Speech recognition results in favor of the
@@ -619,21 +624,26 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * <pre>
    * The top-level message sent by the client to the
-   * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent] method.
+   * [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent]
+   * method.
    * Multiple request messages should be sent in order:
    * 1.  The first message must contain
    * [session][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.session],
-   *     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] plus optionally
-   *     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params]. If the client
-   *     wants to receive an audio response, it should also contain
+   *     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+   *     plus optionally
+   *     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params].
+   *     If the client wants to receive an audio response, it should also contain
    *     [output_audio_config][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.output_audio_config].
-   * 2.  If [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] was set to
-   *     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config], all subsequent messages
-   *     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio] to continue with
-   *     Speech recognition.
-   *     If you decide to rather detect an intent from text
-   *     input after you already started Speech recognition, please send a message
-   *     with [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
+   * 2.  If
+   * [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+   * was set to
+   *     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config],
+   *     all subsequent messages must contain
+   *     [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio]
+   *     to continue with Speech recognition. If you decide to rather detect an
+   *     intent from text input after you already started Speech recognition,
+   *     please send a message with
+   *     [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
    *     However, note that:
    *     * Dialogflow will bill you for the audio duration so far.
    *     * Dialogflow discards all Speech recognition results in favor of the
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentResponse.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentResponse.java
index 3840559ae..478e3cc39 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentResponse.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingDetectIntentResponse.java
@@ -28,7 +28,12 @@
  *     contain `recognition_result`. Each `recognition_result` represents a more
  *     complete transcript of what the user said. The last `recognition_result`
  *     has `is_final` set to `true`.
- * 2.  The last message contains `detect_intent_response`.
+ * 2.  If `enable_partial_response` is true, the following N messages
+ *     (currently 1 &lt;= N &lt;= 4) contain `detect_intent_response`. The first (N-1)
+ *     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+ *     The last `detect_intent_response` has `response_type` set to `FINAL`.
+ *     If `response_type` is false, response stream only contains
+ *     the final `detect_intent_response`.
  * </pre>
  *
  * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentResponse}
@@ -509,7 +514,12 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *     contain `recognition_result`. Each `recognition_result` represents a more
    *     complete transcript of what the user said. The last `recognition_result`
    *     has `is_final` set to `true`.
-   * 2.  The last message contains `detect_intent_response`.
+   * 2.  If `enable_partial_response` is true, the following N messages
+   *     (currently 1 &lt;= N &lt;= 4) contain `detect_intent_response`. The first (N-1)
+   *     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+   *     The last `detect_intent_response` has `response_type` set to `FINAL`.
+   *     If `response_type` is false, response stream only contains
+   *     the final `detect_intent_response`.
    * </pre>
    *
    * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentResponse}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResult.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResult.java
index 2b7cea14d..5867a9d5b 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResult.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResult.java
@@ -227,8 +227,8 @@ public enum MessageType implements com.google.protobuf.ProtocolMessageEnum {
      * additional results). The client should stop sending additional audio
      * data, half-close the gRPC connection, and wait for any additional results
      * until the server closes the gRPC connection. This message is only sent if
-     * [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance] was set to
-     * `true`, and is not used otherwise.
+     * [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance]
+     * was set to `true`, and is not used otherwise.
      * </pre>
      *
      * <code>END_OF_SINGLE_UTTERANCE = 2;</code>
@@ -267,8 +267,8 @@ public enum MessageType implements com.google.protobuf.ProtocolMessageEnum {
      * additional results). The client should stop sending additional audio
      * data, half-close the gRPC connection, and wait for any additional results
      * until the server closes the gRPC connection. This message is only sent if
-     * [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance] was set to
-     * `true`, and is not used otherwise.
+     * [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance]
+     * was set to `true`, and is not used otherwise.
      * </pre>
      *
      * <code>END_OF_SINGLE_UTTERANCE = 2;</code>
@@ -530,7 +530,8 @@ public float getStability() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -546,7 +547,8 @@ public float getStability() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -562,7 +564,8 @@ public float getStability() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -577,7 +580,8 @@ public int getSpeechWordInfoCount() {
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -592,7 +596,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo getSpeechWordInfo(i
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -1595,7 +1600,8 @@ private void ensureSpeechWordInfoIsMutable() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1615,7 +1621,8 @@ private void ensureSpeechWordInfoIsMutable() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1634,7 +1641,8 @@ public int getSpeechWordInfoCount() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1653,7 +1661,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo getSpeechWordInfo(i
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1679,7 +1688,8 @@ public Builder setSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1702,7 +1712,8 @@ public Builder setSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1727,7 +1738,8 @@ public Builder addSpeechWordInfo(com.google.cloud.dialogflow.cx.v3beta1.SpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1753,7 +1765,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1776,7 +1789,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1799,7 +1813,8 @@ public Builder addSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1823,7 +1838,8 @@ public Builder addAllSpeechWordInfo(
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1845,7 +1861,8 @@ public Builder clearSpeechWordInfo() {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1867,7 +1884,8 @@ public Builder removeSpeechWordInfo(int index) {
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1883,7 +1901,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo.Builder getSpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1903,7 +1922,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo.Builder getSpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1923,7 +1943,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo.Builder getSpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1940,7 +1961,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo.Builder getSpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
@@ -1958,7 +1980,8 @@ public com.google.cloud.dialogflow.cx.v3beta1.SpeechWordInfo.Builder addSpeechWo
      *
      * <pre>
      * Word-specific information for the words recognized by Speech in
-     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+     * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+     * Populated if and only if `message_type` = `TRANSCRIPT` and
      * [InputAudioConfig.enable_word_info] is set.
      * </pre>
      *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResultOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResultOrBuilder.java
index c661fa7cb..95f0fe243 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResultOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/StreamingRecognitionResultOrBuilder.java
@@ -137,7 +137,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -149,7 +150,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -161,7 +163,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -173,7 +176,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
@@ -186,7 +190,8 @@ public interface StreamingRecognitionResultOrBuilder
    *
    * <pre>
    * Word-specific information for the words recognized by Speech in
-   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+   * [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+   * Populated if and only if `message_type` = `TRANSCRIPT` and
    * [InputAudioConfig.enable_word_info] is set.
    * </pre>
    *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInput.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInput.java
index b009a8614..9d1d32959 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInput.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInput.java
@@ -117,8 +117,8 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -141,8 +141,8 @@ public java.lang.String getText() {
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -484,8 +484,8 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -507,8 +507,8 @@ public java.lang.String getText() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -530,8 +530,8 @@ public com.google.protobuf.ByteString getTextBytes() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -552,8 +552,8 @@ public Builder setText(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -570,8 +570,8 @@ public Builder clearText() {
      *
      *
      * <pre>
-     * Required. The UTF-8 encoded natural language text to be processed. Text length must
-     * not exceed 256 characters.
+     * Required. The UTF-8 encoded natural language text to be processed. Text
+     * length must not exceed 256 characters.
      * </pre>
      *
      * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInputOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInputOrBuilder.java
index 7d37f79d6..3ad28d61b 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInputOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TextInputOrBuilder.java
@@ -27,8 +27,8 @@ public interface TextInputOrBuilder
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -40,8 +40,8 @@ public interface TextInputOrBuilder
    *
    *
    * <pre>
-   * Required. The UTF-8 encoded natural language text to be processed. Text length must
-   * not exceed 256 characters.
+   * Required. The UTF-8 encoded natural language text to be processed. Text
+   * length must not exceed 256 characters.
    * </pre>
    *
    * <code>string text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequest.java
index 922d7d491..fb7c4d1e8 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequest.java
@@ -254,7 +254,9 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -284,7 +286,9 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1095,7 +1099,9 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1124,7 +1130,9 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1153,7 +1161,9 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1181,7 +1191,9 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1205,7 +1217,9 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `flow`:
      * *  `Flow.event_handlers.trigger_fulfillment.messages`
+     * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Flow.transition_routes.trigger_fulfillment.messages`
+     * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequestOrBuilder.java
index ba139650e..585739651 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateFlowRequestOrBuilder.java
@@ -111,7 +111,9 @@ public interface UpdateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -130,7 +132,9 @@ public interface UpdateFlowRequestOrBuilder
    * <pre>
    * The language of the following fields in `flow`:
    * *  `Flow.event_handlers.trigger_fulfillment.messages`
+   * *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Flow.transition_routes.trigger_fulfillment.messages`
+   * *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequest.java
index bfde07cfd..67119bf26 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequest.java
@@ -202,11 +202,17 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getPageOrBuilder() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -236,11 +242,17 @@ public java.lang.String getLanguageCode() {
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -899,11 +911,17 @@ public com.google.cloud.dialogflow.cx.v3beta1.PageOrBuilder getPageOrBuilder() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -932,11 +950,17 @@ public java.lang.String getLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -965,11 +989,17 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -997,11 +1027,17 @@ public Builder setLanguageCode(java.lang.String value) {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1025,11 +1061,17 @@ public Builder clearLanguageCode() {
      * <pre>
      * The language of the following fields in `page`:
      * *  `Page.entry_fulfillment.messages`
+     * *  `Page.entry_fulfillment.conditional_cases`
+     * *  `Page.event_handlers.trigger_fulfillment.messages`
+     * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+     * *
+     * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
      * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-     * *  `Page.transition_routes.trigger_fulfillment.messages`
      * *
-     * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+     * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+     * *  `Page.transition_routes.trigger_fulfillment.messages`
+     * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequestOrBuilder.java
index 862478fef..d8d6c7ac6 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdatePageRequestOrBuilder.java
@@ -70,11 +70,17 @@ public interface UpdatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -93,11 +99,17 @@ public interface UpdatePageRequestOrBuilder
    * <pre>
    * The language of the following fields in `page`:
    * *  `Page.entry_fulfillment.messages`
+   * *  `Page.entry_fulfillment.conditional_cases`
+   * *  `Page.event_handlers.trigger_fulfillment.messages`
+   * *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+   * *
+   * `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
    * *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-   * *  `Page.transition_routes.trigger_fulfillment.messages`
    * *
-   * `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+   * `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+   * *  `Page.transition_routes.trigger_fulfillment.messages`
+   * *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequest.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequest.java
index 9dae3e8c1..36bad2851 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequest.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequest.java
@@ -251,9 +251,10 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -281,9 +282,10 @@ public java.lang.String getLanguageCode() {
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1093,9 +1095,10 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1122,9 +1125,10 @@ public java.lang.String getLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1151,9 +1155,10 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1179,9 +1184,10 @@ public Builder setLanguageCode(java.lang.String value) {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -1203,9 +1209,10 @@ public Builder clearLanguageCode() {
      *
      *
      * <pre>
-     * The language to list transition route groups for. The field
-     * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-     * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+     * The language of the following fields in `TransitionRouteGroup`:
+     * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+     * *
+     * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
      * If not specified, the agent's default language is used.
      * [Many
      * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequestOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequestOrBuilder.java
index e0b65dd4e..e389dca3f 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequestOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/UpdateTransitionRouteGroupRequestOrBuilder.java
@@ -104,9 +104,10 @@ public interface UpdateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
@@ -123,9 +124,10 @@ public interface UpdateTransitionRouteGroupRequestOrBuilder
    *
    *
    * <pre>
-   * The language to list transition route groups for. The field
-   * [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-   * [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+   * The language of the following fields in `TransitionRouteGroup`:
+   * *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+   * *
+   * `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
    * If not specified, the agent's default language is used.
    * [Many
    * languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/agent.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/agent.proto
index b14222764..1824e0b25 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/agent.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/agent.proto
@@ -166,6 +166,10 @@ message Agent {
   // This field cannot be set by the [Agents.UpdateAgent][google.cloud.dialogflow.cx.v3beta1.Agents.UpdateAgent] method.
   string default_language_code = 3 [(google.api.field_behavior) = IMMUTABLE];
 
+  // The list of all languages supported by the agent (except for the
+  // `default_language_code`).
+  repeated string supported_language_codes = 4;
+
   // Required. The time zone of the agent from the [time zone
   // database](https://www.iana.org/time-zones), e.g., America/New_York,
   // Europe/Paris.
@@ -306,6 +310,16 @@ message ExportAgentRequest {
   // `gs://<bucket-name>/<object-name>`.
   // If left unspecified, the serialized agent is returned inline.
   string agent_uri = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Environment name. If not set, draft environment is assumed.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/environments/<Environment ID>`.
+  string environment = 5 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "dialogflow.googleapis.com/Environment"
+    }
+  ];
 }
 
 // The response message for [Agents.ExportAgent][google.cloud.dialogflow.cx.v3beta1.Agents.ExportAgent].
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/experiment.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/experiment.proto
index ec9db312b..581da8d88 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/experiment.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/experiment.proto
@@ -174,7 +174,7 @@ message Experiment {
     // Version variant and associated metrics.
     message VersionMetrics {
       // The name of the flow [Version][google.cloud.dialogflow.cx.v3beta1.Version].
-      // Format: `projects/<Project Number>/locations/<Location
+      // Format: `projects/<Project ID>/locations/<Location
       // ID>/agents/<Agent ID>/flows/<Flow ID>/versions/<Version ID>`.
       string version = 1 [(google.api.resource_reference) = {
                             type: "dialogflow.googleapis.com/Version"
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/flow.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/flow.proto
index 088611818..68c1d7928 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/flow.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/flow.proto
@@ -116,6 +116,33 @@ service Flows {
     };
     option (google.api.method_signature) = "name";
   }
+
+  // Imports the specified flow to the specified agent from a binary file.
+  rpc ImportFlow(ImportFlowRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v3beta1/{parent=projects/*/locations/*/agents/*}/flows:import"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "ImportFlowResponse"
+      metadata_type: "google.protobuf.Struct"
+    };
+  }
+
+  // Exports the specified flow to a binary file.
+  //
+  // Note that resources (e.g. intents, entities, webhooks) that the flow
+  // references will also be exported.
+  rpc ExportFlow(ExportFlowRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v3beta1/{name=projects/*/locations/*/agents/*/flows/*}:export"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "ExportFlowResponse"
+      metadata_type: "google.protobuf.Struct"
+    };
+  }
 }
 
 // Settings related to NLU.
@@ -260,7 +287,9 @@ message CreateFlowRequest {
   // The language of the following fields in `flow`:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -317,7 +346,9 @@ message ListFlowsRequest {
   // dependent:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -354,7 +385,9 @@ message GetFlowRequest {
   // dependent:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -376,7 +409,9 @@ message UpdateFlowRequest {
   // The language of the following fields in `flow`:
   //
   // *  `Flow.event_handlers.trigger_fulfillment.messages`
+  // *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Flow.transition_routes.trigger_fulfillment.messages`
+  // *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -449,3 +484,90 @@ message FlowValidationResult {
   // Last time the flow was validated.
   google.protobuf.Timestamp update_time = 3;
 }
+
+// The request message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+message ImportFlowRequest {
+  // Import option.
+  enum ImportOption {
+    // Unspecified. Treated as `KEEP`.
+    IMPORT_OPTION_UNSPECIFIED = 0;
+
+    // Always respect settings in exported flow content. It may cause a
+    // import failure if some settings (e.g. custom NLU) are not supported in
+    // the agent to import into.
+    KEEP = 1;
+
+    // Fallback to default settings if some settings are not supported in the
+    // agent to import into. E.g. Standard NLU will be used if custom NLU is
+    // not available.
+    FALLBACK = 2;
+  }
+
+  // Required. The agent to import the flow into.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>`.
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "dialogflow.googleapis.com/Flow"
+    }
+  ];
+
+  // Required. The flow to import.
+  oneof flow {
+    // The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
+    // to import flow from. The format of this URI must be
+    // `gs://<bucket-name>/<object-name>`.
+    string flow_uri = 2;
+
+    // Uncompressed raw byte content for flow.
+    bytes flow_content = 3;
+  }
+
+  // Flow import mode. If not specified, `KEEP` is assumed.
+  ImportOption import_option = 4;
+}
+
+// The response message for [Flows.ImportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ImportFlow].
+message ImportFlowResponse {
+  // The unique identifier of the new flow.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/flows/<Flow ID>`.
+  string flow = 1 [(google.api.resource_reference) = {
+                     type: "dialogflow.googleapis.com/Flow"
+                   }];
+}
+
+// The request message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+message ExportFlowRequest {
+  // Required. The name of the flow to export.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/flows/<Flow ID>`.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "dialogflow.googleapis.com/Flow"
+    }
+  ];
+
+  // Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
+  // export the flow to. The format of this URI must be
+  // `gs://<bucket-name>/<object-name>`.
+  // If left unspecified, the serialized flow is returned inline.
+  string flow_uri = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Whether to export flows referenced by the specified flow.
+  bool include_referenced_flows = 4 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// The response message for [Flows.ExportFlow][google.cloud.dialogflow.cx.v3beta1.Flows.ExportFlow].
+message ExportFlowResponse {
+  // The exported flow.
+  oneof flow {
+    // The URI to a file containing the exported flow. This field is populated
+    // only if `flow_uri` is specified in [ExportFlowRequest][google.cloud.dialogflow.cx.v3beta1.ExportFlowRequest].
+    string flow_uri = 1;
+
+    // Uncompressed raw byte content for flow.
+    bytes flow_content = 2;
+  }
+}
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/page.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/page.proto
index 4a8acf7a5..bfcc08e6e 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/page.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/page.proto
@@ -378,11 +378,17 @@ message ListPagesRequest {
   // dependent:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -426,11 +432,17 @@ message GetPageRequest {
   // dependent:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -458,11 +470,17 @@ message CreatePageRequest {
   // The language of the following fields in `page`:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -480,11 +498,17 @@ message UpdatePageRequest {
   // The language of the following fields in `page`:
   //
   // *  `Page.entry_fulfillment.messages`
+  // *  `Page.entry_fulfillment.conditional_cases`
+  // *  `Page.event_handlers.trigger_fulfillment.messages`
+  // *  `Page.event_handlers.trigger_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.messages`
+  // *
+  // `Page.form.parameters.fill_behavior.initial_prompt_fulfillment.conditional_cases`
   // *  `Page.form.parameters.fill_behavior.reprompt_event_handlers.messages`
-  // *  `Page.transition_routes.trigger_fulfillment.messages`
   // *
-  // `Page.transition_route_groups.transition_routes.trigger_fulfillment.messages`
+  // `Page.form.parameters.fill_behavior.reprompt_event_handlers.conditional_cases`
+  // *  `Page.transition_routes.trigger_fulfillment.messages`
+  // *  `Page.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
index f331f1a2b..0a79181a5 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
@@ -17,6 +17,7 @@ syntax = "proto3";
 package google.cloud.dialogflow.cx.v3beta1;
 
 import "google/api/annotations.proto";
+import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/dialogflow/cx/v3beta1/audio_config.proto";
@@ -29,7 +30,6 @@ import "google/protobuf/duration.proto";
 import "google/protobuf/struct.proto";
 import "google/rpc/status.proto";
 import "google/type/latlng.proto";
-import "google/api/client.proto";
 
 option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.Dialogflow.Cx.V3Beta1";
@@ -45,8 +45,9 @@ option (google.api.resource_definition) = {
 };
 
 // A session represents an interaction with a user. You retrieve user input
-// and pass it to the [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] method to determine
-// user intent and respond.
+// and pass it to the
+// [DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent]
+// method to determine user intent and respond.
 service Sessions {
   option (google.api.default_host) = "dialogflow.googleapis.com";
   option (google.api.oauth_scopes) =
@@ -79,8 +80,8 @@ service Sessions {
   // Note: Always use agent versions for production traffic.
   // See [Versions and
   // environments](https://cloud.google.com/dialogflow/cx/docs/concept/version).
-  rpc StreamingDetectIntent(stream StreamingDetectIntentRequest) returns (stream StreamingDetectIntentResponse) {
-  }
+  rpc StreamingDetectIntent(stream StreamingDetectIntentRequest)
+      returns (stream StreamingDetectIntentResponse) {}
 
   // Returns preliminary intent match results, doesn't change the session
   // status.
@@ -95,9 +96,13 @@ service Sessions {
     };
   }
 
-  // Fulfills a matched intent returned by [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
-  // Must be called after [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent], with input from
-  // [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse]. Otherwise, the behavior is undefined.
+  // Fulfills a matched intent returned by
+  // [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent].
+  // Must be called after
+  // [MatchIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.MatchIntent],
+  // with input from
+  // [MatchIntentResponse][google.cloud.dialogflow.cx.v3beta1.MatchIntentResponse].
+  // Otherwise, the behavior is undefined.
   rpc FulfillIntent(FulfillIntentRequest) returns (FulfillIntentResponse) {
     option (google.api.http) = {
       post: "/v3beta1/{match_intent_request.session=projects/*/locations/*/agents/*/sessions/*}:fulfillIntent"
@@ -157,9 +162,9 @@ message DetectIntentResponse {
   // The audio data bytes encoded as specified in the request.
   // Note: The output audio is generated based on the values of default platform
   // text responses found in the
-  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-  // multiple default text responses exist, they will be concatenated when
-  // generating audio. If no default platform text responses exist, the
+  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+  // field. If multiple default text responses exist, they will be concatenated
+  // when generating audio. If no default platform text responses exist, the
   // generated audio content will be empty.
   //
   // In some scenarios, multiple output audio fields may be present in the
@@ -172,24 +177,29 @@ message DetectIntentResponse {
 }
 
 // The top-level message sent by the client to the
-// [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent] method.
+// [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent]
+// method.
 //
 // Multiple request messages should be sent in order:
 //
 // 1.  The first message must contain
 // [session][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.session],
-//     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] plus optionally
-//     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params]. If the client
-//     wants to receive an audio response, it should also contain
+//     [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+//     plus optionally
+//     [query_params][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_params].
+//     If the client wants to receive an audio response, it should also contain
 //     [output_audio_config][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.output_audio_config].
 //
-// 2.  If [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input] was set to
-//     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config], all subsequent messages
-//     must contain [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio] to continue with
-//     Speech recognition.
-//     If you decide to rather detect an intent from text
-//     input after you already started Speech recognition, please send a message
-//     with [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
+// 2.  If
+// [query_input][google.cloud.dialogflow.cx.v3beta1.StreamingDetectIntentRequest.query_input]
+// was set to
+//     [query_input.audio.config][google.cloud.dialogflow.cx.v3beta1.AudioInput.config],
+//     all subsequent messages must contain
+//     [query_input.audio.audio][google.cloud.dialogflow.cx.v3beta1.AudioInput.audio]
+//     to continue with Speech recognition. If you decide to rather detect an
+//     intent from text input after you already started Speech recognition,
+//     please send a message with
+//     [query_input.text][google.cloud.dialogflow.cx.v3beta1.QueryInput.text].
 //
 //     However, note that:
 //
@@ -218,8 +228,8 @@ message StreamingDetectIntentRequest {
   // See [Versions and
   // environments](https://cloud.google.com/dialogflow/cx/docs/concept/version).
   string session = 1 [(google.api.resource_reference) = {
-                        type: "dialogflow.googleapis.com/Session"
-                      }];
+    type: "dialogflow.googleapis.com/Session"
+  }];
 
   // The parameters of this query.
   QueryParameters query_params = 2;
@@ -240,7 +250,12 @@ message StreamingDetectIntentRequest {
 //     complete transcript of what the user said. The last `recognition_result`
 //     has `is_final` set to `true`.
 //
-// 2.  The last message contains `detect_intent_response`.
+// 2.  If `enable_partial_response` is true, the following N messages
+//     (currently 1 <= N <= 4) contain `detect_intent_response`. The first (N-1)
+//     `detect_intent_response`s will have `response_type` set to `PARTIAL`.
+//     The last `detect_intent_response` has `response_type` set to `FINAL`.
+//     If `response_type` is false, response stream only contains
+//     the final `detect_intent_response`.
 message StreamingDetectIntentResponse {
   // The output response.
   oneof response {
@@ -300,8 +315,8 @@ message StreamingRecognitionResult {
     // additional results). The client should stop sending additional audio
     // data, half-close the gRPC connection, and wait for any additional results
     // until the server closes the gRPC connection. This message is only sent if
-    // [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance] was set to
-    // `true`, and is not used otherwise.
+    // [`single_utterance`][google.cloud.dialogflow.cx.v3beta1.InputAudioConfig.single_utterance]
+    // was set to `true`, and is not used otherwise.
     END_OF_SINGLE_UTTERANCE = 2;
   }
 
@@ -337,7 +352,8 @@ message StreamingRecognitionResult {
   float stability = 6;
 
   // Word-specific information for the words recognized by Speech in
-  // [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript]. Populated if and only if `message_type` = `TRANSCRIPT` and
+  // [transcript][google.cloud.dialogflow.cx.v3beta1.StreamingRecognitionResult.transcript].
+  // Populated if and only if `message_type` = `TRANSCRIPT` and
   // [InputAudioConfig.enable_word_info] is set.
   repeated SpeechWordInfo speech_word_info = 7;
 
@@ -365,6 +381,17 @@ message QueryParameters {
 
   // This field can be used to pass custom data into the webhook associated with
   // the agent. Arbitrary JSON objects are supported.
+  // Some integrations that query a Dialogflow agent may provide additional
+  // information in the payload.
+  // In particular, for the Dialogflow Phone Gateway integration, this field has
+  // the form:
+  // ```
+  // {
+  //  "telephony": {
+  //    "caller_id": "+18558363987"
+  //  }
+  // }
+  // ```
   google.protobuf.Struct payload = 4;
 
   // Additional parameters to be put into [session
@@ -388,7 +415,8 @@ message QueryParameters {
   //     -   Else: parameter value
   google.protobuf.Struct parameters = 5;
 
-  // The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
+  // The unique identifier of the
+  // [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
   // page][QueryResult.current_page] in the session. Format: `projects/<Project
   // ID>/locations/<Location ID>/agents/<Agent ID>/pages/<page ID>`.
   //
@@ -396,12 +424,14 @@ message QueryParameters {
   // ignored by Dialogflow, including the [previous
   // page][QueryResult.current_page] and the [previous session
   // parameters][QueryResult.parameters].
-  // In most cases, [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page] and
-  // [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters] should be configured together to
-  // direct a session to a specific state.
-  string current_page = 6 [(google.api.resource_reference) = {
-                             type: "dialogflow.googleapis.com/Page"
-                           }];
+  // In most cases,
+  // [current_page][google.cloud.dialogflow.cx.v3beta1.QueryParameters.current_page]
+  // and
+  // [parameters][google.cloud.dialogflow.cx.v3beta1.QueryParameters.parameters]
+  // should be configured together to direct a session to a specific state.
+  string current_page = 6 [
+    (google.api.resource_reference) = { type: "dialogflow.googleapis.com/Page" }
+  ];
 
   // Whether to disable webhook calls for this request.
   bool disable_webhook = 7;
@@ -461,24 +491,25 @@ message QueryInput {
 message QueryResult {
   // The original conversational query.
   oneof query {
-    // If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-    // will contain a copy of the text.
+    // If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+    // was provided as input, this field will contain a copy of the text.
     string text = 1;
 
-    // If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-    // contain a copy of the intent identifier.
-    // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
-    // ID>/intents/<Intent ID>`.
+    // If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+    // provided as input, this field will contain a copy of the intent
+    // identifier. Format: `projects/<Project ID>/locations/<Location
+    // ID>/agents/<Agent ID>/intents/<Intent ID>`.
     string trigger_intent = 11 [(google.api.resource_reference) = {
-                                  type: "dialogflow.googleapis.com/Intent"
-                                }];
+      type: "dialogflow.googleapis.com/Intent"
+    }];
 
-    // If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-    // this field will contain the transcript for the audio.
+    // If [natural language speech
+    // audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+    // input, this field will contain the transcript for the audio.
     string transcript = 12;
 
-    // If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will contain
-    // the name of the event.
+    // If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+    // as input, this field will contain the name of the event.
     string trigger_event = 14;
   }
 
@@ -488,7 +519,8 @@ message QueryResult {
   // for a list of the currently supported language codes.
   string language_code = 2;
 
-  // The collected [session parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
+  // The collected [session
+  // parameters][google.cloud.dialogflow.cx.v3beta1.SessionInfo.parameters].
   //
   // Depending on your protocol or client library language, this is a
   // map, associative array, symbol table, dictionary, or JSON object
@@ -514,19 +546,23 @@ message QueryResult {
   // The list of webhook call status in the order of call sequence.
   repeated google.rpc.Status webhook_statuses = 13;
 
-  // The list of webhook payload in [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload], in
-  // the order of call sequence. If some webhook call fails or doesn't return
+  // The list of webhook payload in
+  // [WebhookResponse.payload][google.cloud.dialogflow.cx.v3beta1.WebhookResponse.payload],
+  // in the order of call sequence. If some webhook call fails or doesn't return
   // any payload, an empty `Struct` would be used instead.
   repeated google.protobuf.Struct webhook_payloads = 6;
 
-  // The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-  // including but not limited to `name` and `display_name`.
+  // The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+  // fields are filled in this message, including but not limited to `name` and
+  // `display_name`.
   Page current_page = 7;
 
-  // The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the conversational query. Some, not all fields
-  // are filled in this message, including but not limited to: `name` and
-  // `display_name`.
-  // This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+  // The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+  // conversational query. Some, not all fields are filled in this message,
+  // including but not limited to: `name` and `display_name`. This field is
+  // deprecated, please use
+  // [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+  // instead.
   Intent intent = 8 [deprecated = true];
 
   // The intent detection confidence. Values range from 0.0 (completely
@@ -535,7 +571,9 @@ message QueryResult {
   // help match the best intent within the classification threshold.
   // This value may change for the same end-user expression at any time due to a
   // model retraining or change in implementation.
-  // This field is deprecated, please use [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match] instead.
+  // This field is deprecated, please use
+  // [QueryResult.match][google.cloud.dialogflow.cx.v3beta1.QueryResult.match]
+  // instead.
   float intent_detection_confidence = 9 [deprecated = true];
 
   // Intent match result, could be an intent or an event.
@@ -548,14 +586,15 @@ message QueryResult {
 
   // The sentiment analyss result, which depends on
   // [`analyze_query_text_sentiment`]
-  // [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment], specified in the request.
+  // [google.cloud.dialogflow.cx.v3beta1.QueryParameters.analyze_query_text_sentiment],
+  // specified in the request.
   SentimentAnalysisResult sentiment_analysis_result = 17;
 }
 
 // Represents the natural language text to be processed.
 message TextInput {
-  // Required. The UTF-8 encoded natural language text to be processed. Text length must
-  // not exceed 256 characters.
+  // Required. The UTF-8 encoded natural language text to be processed. Text
+  // length must not exceed 256 characters.
   string text = 1 [(google.api.field_behavior) = REQUIRED];
 }
 
@@ -580,8 +619,9 @@ message AudioInput {
 
   // The natural language speech audio to be processed.
   // A single request can contain up to 1 minute of speech audio data.
-  // The [transcribed text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot contain more than 256
-  // bytes.
+  // The [transcribed
+  // text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
+  // contain more than 256 bytes.
   //
   // For non-streaming audio detect intent, both `config` and `audio` must be
   // provided.
@@ -631,9 +671,10 @@ message Match {
     EVENT = 6;
   }
 
-  // The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the query. Some, not all fields are filled in
-  // this message, including but not limited to: `name` and `display_name`. Only
-  // filled for [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
+  // The [Intent][google.cloud.dialogflow.cx.v3beta1.Intent] that matched the
+  // query. Some, not all fields are filled in this message, including but not
+  // limited to: `name` and `display_name`. Only filled for
+  // [`INTENT`][google.cloud.dialogflow.cx.v3beta1.Match.MatchType] match type.
   Intent intent = 1;
 
   // The event that matched the query. Only filled for
@@ -707,24 +748,25 @@ message MatchIntentRequest {
 message MatchIntentResponse {
   // The original conversational query.
   oneof query {
-    // If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput] was provided as input, this field
-    // will contain a copy of the text.
+    // If [natural language text][google.cloud.dialogflow.cx.v3beta1.TextInput]
+    // was provided as input, this field will contain a copy of the text.
     string text = 1;
 
-    // If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was provided as input, this field will
-    // contain a copy of the intent identifier.
-    // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
-    // ID>/intents/<Intent ID>`.
+    // If an [intent][google.cloud.dialogflow.cx.v3beta1.IntentInput] was
+    // provided as input, this field will contain a copy of the intent
+    // identifier. Format: `projects/<Project ID>/locations/<Location
+    // ID>/agents/<Agent ID>/intents/<Intent ID>`.
     string trigger_intent = 2 [(google.api.resource_reference) = {
-                                 type: "dialogflow.googleapis.com/Intent"
-                               }];
+      type: "dialogflow.googleapis.com/Intent"
+    }];
 
-    // If [natural language speech audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as input,
-    // this field will contain the transcript for the audio.
+    // If [natural language speech
+    // audio][google.cloud.dialogflow.cx.v3beta1.AudioInput] was provided as
+    // input, this field will contain the transcript for the audio.
     string transcript = 3;
 
-    // If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided as input, this field will
-    // contain a copy of the event name.
+    // If an [event][google.cloud.dialogflow.cx.v3beta1.EventInput] was provided
+    // as input, this field will contain a copy of the event name.
     string trigger_event = 6;
   }
 
@@ -732,8 +774,9 @@ message MatchIntentResponse {
   // we have that the particular intent matches the query.
   repeated Match matches = 4;
 
-  // The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all fields are filled in this message,
-  // including but not limited to `name` and `display_name`.
+  // The current [Page][google.cloud.dialogflow.cx.v3beta1.Page]. Some, not all
+  // fields are filled in this message, including but not limited to `name` and
+  // `display_name`.
   Page current_page = 5;
 }
 
@@ -762,9 +805,9 @@ message FulfillIntentResponse {
   // The audio data bytes encoded as specified in the request.
   // Note: The output audio is generated based on the values of default platform
   // text responses found in the
-  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages] field. If
-  // multiple default text responses exist, they will be concatenated when
-  // generating audio. If no default platform text responses exist, the
+  // [`query_result.response_messages`][google.cloud.dialogflow.cx.v3beta1.QueryResult.response_messages]
+  // field. If multiple default text responses exist, they will be concatenated
+  // when generating audio. If no default platform text responses exist, the
   // generated audio content will be empty.
   //
   // In some scenarios, multiple output audio fields may be present in the
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/transition_route_group.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/transition_route_group.proto
index 341985b4a..f116ce128 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/transition_route_group.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/transition_route_group.proto
@@ -124,9 +124,12 @@ message ListTransitionRouteGroupsRequest {
   // The next_page_token value returned from a previous list request.
   string page_token = 3;
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+  // The language to list transition route groups for. The following fields are
+  // language dependent:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -161,9 +164,12 @@ message GetTransitionRouteGroupRequest {
     }
   ];
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+  // The language to retrieve the transition route group for. The following
+  // fields are language dependent:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -188,9 +194,11 @@ message CreateTransitionRouteGroupRequest {
   // Required. The transition route group to create.
   TransitionRouteGroup transition_route_group = 2 [(google.api.field_behavior) = REQUIRED];
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+  // The language of the following fields in `TransitionRouteGroup`:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
@@ -208,9 +216,11 @@ message UpdateTransitionRouteGroupRequest {
   // The mask to control which fields get updated.
   google.protobuf.FieldMask update_mask = 2;
 
-  // The language to list transition route groups for. The field
-  // [`messages`][TransitionRoute.trigger_fulfillment.messages] in
-  // [TransitionRoute][google.cloud.dialogflow.cx.v3beta1.TransitionRoute] is language dependent.
+  // The language of the following fields in `TransitionRouteGroup`:
+  //
+  // *  `TransitionRouteGroup.transition_routes.trigger_fulfillment.messages`
+  // *
+  // `TransitionRouteGroup.transition_routes.trigger_fulfillment.conditional_cases`
   //
   // If not specified, the agent's default language is used.
   // [Many
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/version.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/version.proto
index 9648a4277..8f90ed2b1 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/version.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/version.proto
@@ -87,7 +87,7 @@ service Versions {
     option (google.api.method_signature) = "name";
   }
 
-  // Loads a specified version to draft version.
+  // Loads resources in the specified version to the draft flow.
   rpc LoadVersion(LoadVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v3beta1/{name=projects/*/locations/*/agents/*/flows/*/versions/*}:load"
@@ -243,7 +243,7 @@ message DeleteVersionRequest {
 
 // The request message for [Versions.LoadVersion][google.cloud.dialogflow.cx.v3beta1.Versions.LoadVersion].
 message LoadVersionRequest {
-  // Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft version.
+  // Required. The [Version][google.cloud.dialogflow.cx.v3beta1.Version] to be loaded to draft flow.
   // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
   // ID>/flows/<Flow ID>/versions/<Version ID>`.
   string name = 1 [
@@ -253,9 +253,9 @@ message LoadVersionRequest {
     }
   ];
 
-  // This field is used to prevent accidental overwrite of other agent resources
-  // in the draft version, which can potentially impact other flow's behavior.
-  // If `allow_override_agent_resources` is false, conflicted agent-level
-  // resources will not be overridden (i.e. intents, entities, webhooks).
+  // This field is used to prevent accidental overwrite of other agent
+  // resources, which can potentially impact other flow's behavior. If
+  // `allow_override_agent_resources` is false, conflicted agent-level resources
+  // will not be overridden (i.e. intents, entities, webhooks).
   bool allow_override_agent_resources = 2;
 }
diff --git a/synth.metadata b/synth.metadata
index ad704ca5f..36cfd1289 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,16 +11,16 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "9a386bc12400c03f81c97f599d7ba7cb0b440577",
-        "internalRef": "367052612"
+        "sha": "0fa726c5d8e4b8442f49974abc875db1af432316",
+        "internalRef": "370928139"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "9a386bc12400c03f81c97f599d7ba7cb0b440577",
-        "internalRef": "367052612"
+        "sha": "0fa726c5d8e4b8442f49974abc875db1af432316",
+        "internalRef": "370928139"
       }
     },
     {
@@ -508,6 +508,10 @@
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentRequestOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentResponse.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportAgentResponseOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequest.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponse.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportFlowResponseOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportTestCasesMetadata.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportTestCasesMetadataOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExportTestCasesRequest.java",
@@ -562,6 +566,10 @@
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetVersionRequestOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetWebhookRequest.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/GetWebhookRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequest.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponse.java",
+    "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportFlowResponseOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportTestCasesMetadata.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportTestCasesMetadataOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ImportTestCasesRequest.java",
@@ -912,6 +920,10 @@
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentRequestOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentResponse.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportAgentResponseOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequest.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponse.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportFlowResponseOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportTestCasesMetadata.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportTestCasesMetadataOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExportTestCasesRequest.java",
@@ -966,6 +978,10 @@
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetVersionRequestOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetWebhookRequest.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/GetWebhookRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequest.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowRequestOrBuilder.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponse.java",
+    "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportFlowResponseOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportTestCasesMetadata.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportTestCasesMetadataOrBuilder.java",
     "proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ImportTestCasesRequest.java",