diff --git a/java-alloydb/README.md b/java-alloydb/README.md
index d509d334c2bd..9c56414871c9 100644
--- a/java-alloydb/README.md
+++ b/java-alloydb/README.md
@@ -201,7 +201,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-alloydb/java11.html
 [stability-image]: https://img.shields.io/badge/stability-preview-yellow
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-alloydb.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-alloydb/0.19.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-alloydb/0.21.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClient.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClient.java
index d9c964bea42c..8d649e867afe 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClient.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClient.java
@@ -4657,6 +4657,171 @@ public final UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable() {
     return stub.deleteUserCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists Databases in a given project and location.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+   *   ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+   *   for (Database element : alloyDBAdminClient.listDatabases(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. Parent value for ListDatabasesRequest.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListDatabasesPagedResponse listDatabases(ClusterName parent) {
+    ListDatabasesRequest request =
+        ListDatabasesRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return listDatabases(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists Databases in a given project and location.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+   *   String parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString();
+   *   for (Database element : alloyDBAdminClient.listDatabases(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. Parent value for ListDatabasesRequest.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListDatabasesPagedResponse listDatabases(String parent) {
+    ListDatabasesRequest request = ListDatabasesRequest.newBuilder().setParent(parent).build();
+    return listDatabases(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists Databases in a given project and location.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+   *   ListDatabasesRequest request =
+   *       ListDatabasesRequest.newBuilder()
+   *           .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   for (Database element : alloyDBAdminClient.listDatabases(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</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 ListDatabasesPagedResponse listDatabases(ListDatabasesRequest request) {
+    return listDatabasesPagedCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists Databases in a given project and location.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+   *   ListDatabasesRequest request =
+   *       ListDatabasesRequest.newBuilder()
+   *           .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   ApiFuture<Database> future =
+   *       alloyDBAdminClient.listDatabasesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Database element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable() {
+    return stub.listDatabasesPagedCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists Databases in a given project and location.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+   *   ListDatabasesRequest request =
+   *       ListDatabasesRequest.newBuilder()
+   *           .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   while (true) {
+   *     ListDatabasesResponse response = alloyDBAdminClient.listDatabasesCallable().call(request);
+   *     for (Database element : response.getDatabasesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable() {
+    return stub.listDatabasesCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists information about the supported locations for this service.
@@ -5227,6 +5392,82 @@ protected ListUsersFixedSizeCollection createCollection(
     }
   }
 
+  public static class ListDatabasesPagedResponse
+      extends AbstractPagedListResponse<
+          ListDatabasesRequest,
+          ListDatabasesResponse,
+          Database,
+          ListDatabasesPage,
+          ListDatabasesFixedSizeCollection> {
+
+    public static ApiFuture<ListDatabasesPagedResponse> createAsync(
+        PageContext<ListDatabasesRequest, ListDatabasesResponse, Database> context,
+        ApiFuture<ListDatabasesResponse> futureResponse) {
+      ApiFuture<ListDatabasesPage> futurePage =
+          ListDatabasesPage.createEmptyPage().createPageAsync(context, futureResponse);
+      return ApiFutures.transform(
+          futurePage,
+          input -> new ListDatabasesPagedResponse(input),
+          MoreExecutors.directExecutor());
+    }
+
+    private ListDatabasesPagedResponse(ListDatabasesPage page) {
+      super(page, ListDatabasesFixedSizeCollection.createEmptyCollection());
+    }
+  }
+
+  public static class ListDatabasesPage
+      extends AbstractPage<
+          ListDatabasesRequest, ListDatabasesResponse, Database, ListDatabasesPage> {
+
+    private ListDatabasesPage(
+        PageContext<ListDatabasesRequest, ListDatabasesResponse, Database> context,
+        ListDatabasesResponse response) {
+      super(context, response);
+    }
+
+    private static ListDatabasesPage createEmptyPage() {
+      return new ListDatabasesPage(null, null);
+    }
+
+    @Override
+    protected ListDatabasesPage createPage(
+        PageContext<ListDatabasesRequest, ListDatabasesResponse, Database> context,
+        ListDatabasesResponse response) {
+      return new ListDatabasesPage(context, response);
+    }
+
+    @Override
+    public ApiFuture<ListDatabasesPage> createPageAsync(
+        PageContext<ListDatabasesRequest, ListDatabasesResponse, Database> context,
+        ApiFuture<ListDatabasesResponse> futureResponse) {
+      return super.createPageAsync(context, futureResponse);
+    }
+  }
+
+  public static class ListDatabasesFixedSizeCollection
+      extends AbstractFixedSizeCollection<
+          ListDatabasesRequest,
+          ListDatabasesResponse,
+          Database,
+          ListDatabasesPage,
+          ListDatabasesFixedSizeCollection> {
+
+    private ListDatabasesFixedSizeCollection(List<ListDatabasesPage> pages, int collectionSize) {
+      super(pages, collectionSize);
+    }
+
+    private static ListDatabasesFixedSizeCollection createEmptyCollection() {
+      return new ListDatabasesFixedSizeCollection(null, 0);
+    }
+
+    @Override
+    protected ListDatabasesFixedSizeCollection createCollection(
+        List<ListDatabasesPage> pages, int collectionSize) {
+      return new ListDatabasesFixedSizeCollection(pages, collectionSize);
+    }
+  }
+
   public static class ListLocationsPagedResponse
       extends AbstractPagedListResponse<
           ListLocationsRequest,
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminSettings.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminSettings.java
index e648ff619596..2d4d7747629b 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminSettings.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminSettings.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -357,6 +358,12 @@ public UnaryCallSettings<DeleteUserRequest, Empty> deleteUserSettings() {
     return ((AlloyDBAdminStubSettings) getStubSettings()).deleteUserSettings();
   }
 
+  /** Returns the object with the settings used for calls to listDatabases. */
+  public PagedCallSettings<ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+      listDatabasesSettings() {
+    return ((AlloyDBAdminStubSettings) getStubSettings()).listDatabasesSettings();
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -760,6 +767,13 @@ public UnaryCallSettings.Builder<DeleteUserRequest, Empty> deleteUserSettings()
       return getStubSettingsBuilder().deleteUserSettings();
     }
 
+    /** Returns the builder for the settings used for calls to listDatabases. */
+    public PagedCallSettings.Builder<
+            ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+        listDatabasesSettings() {
+      return getStubSettingsBuilder().listDatabasesSettings();
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/gapic_metadata.json b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/gapic_metadata.json
index cbe0952c01e8..b452eed9970d 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/gapic_metadata.json
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/gapic_metadata.json
@@ -76,6 +76,9 @@
             "ListClusters": {
               "methods": ["listClusters", "listClusters", "listClusters", "listClustersPagedCallable", "listClustersCallable"]
             },
+            "ListDatabases": {
+              "methods": ["listDatabases", "listDatabases", "listDatabases", "listDatabasesPagedCallable", "listDatabasesCallable"]
+            },
             "ListInstances": {
               "methods": ["listInstances", "listInstances", "listInstances", "listInstancesPagedCallable", "listInstancesCallable"]
             },
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStub.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStub.java
index af9e9fbe5c5e..d96e8ca40385 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStub.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStub.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -56,6 +57,8 @@
 import com.google.cloud.alloydb.v1alpha.ListBackupsResponse;
 import com.google.cloud.alloydb.v1alpha.ListClustersRequest;
 import com.google.cloud.alloydb.v1alpha.ListClustersResponse;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesResponse;
 import com.google.cloud.alloydb.v1alpha.ListInstancesRequest;
 import com.google.cloud.alloydb.v1alpha.ListInstancesResponse;
 import com.google.cloud.alloydb.v1alpha.ListSupportedDatabaseFlagsRequest;
@@ -338,6 +341,15 @@ public UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable() {
     throw new UnsupportedOperationException("Not implemented: deleteUserCallable()");
   }
 
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable() {
+    throw new UnsupportedOperationException("Not implemented: listDatabasesPagedCallable()");
+  }
+
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable() {
+    throw new UnsupportedOperationException("Not implemented: listDatabasesCallable()");
+  }
+
   public UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable() {
     throw new UnsupportedOperationException("Not implemented: listLocationsPagedCallable()");
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStubSettings.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStubSettings.java
index 9aa857024625..f6fd3e8c2d78 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStubSettings.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/AlloyDBAdminStubSettings.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -63,6 +64,7 @@
 import com.google.cloud.alloydb.v1alpha.CreateSecondaryClusterRequest;
 import com.google.cloud.alloydb.v1alpha.CreateSecondaryInstanceRequest;
 import com.google.cloud.alloydb.v1alpha.CreateUserRequest;
+import com.google.cloud.alloydb.v1alpha.Database;
 import com.google.cloud.alloydb.v1alpha.DeleteBackupRequest;
 import com.google.cloud.alloydb.v1alpha.DeleteClusterRequest;
 import com.google.cloud.alloydb.v1alpha.DeleteInstanceRequest;
@@ -81,6 +83,8 @@
 import com.google.cloud.alloydb.v1alpha.ListBackupsResponse;
 import com.google.cloud.alloydb.v1alpha.ListClustersRequest;
 import com.google.cloud.alloydb.v1alpha.ListClustersResponse;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesResponse;
 import com.google.cloud.alloydb.v1alpha.ListInstancesRequest;
 import com.google.cloud.alloydb.v1alpha.ListInstancesResponse;
 import com.google.cloud.alloydb.v1alpha.ListSupportedDatabaseFlagsRequest;
@@ -238,6 +242,9 @@ public class AlloyDBAdminStubSettings extends StubSettings<AlloyDBAdminStubSetti
   private final UnaryCallSettings<CreateUserRequest, User> createUserSettings;
   private final UnaryCallSettings<UpdateUserRequest, User> updateUserSettings;
   private final UnaryCallSettings<DeleteUserRequest, Empty> deleteUserSettings;
+  private final PagedCallSettings<
+          ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+      listDatabasesSettings;
   private final PagedCallSettings<
           ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings;
@@ -436,6 +443,42 @@ public Iterable<User> extractResources(ListUsersResponse payload) {
             }
           };
 
+  private static final PagedListDescriptor<ListDatabasesRequest, ListDatabasesResponse, Database>
+      LIST_DATABASES_PAGE_STR_DESC =
+          new PagedListDescriptor<ListDatabasesRequest, ListDatabasesResponse, Database>() {
+            @Override
+            public String emptyToken() {
+              return "";
+            }
+
+            @Override
+            public ListDatabasesRequest injectToken(ListDatabasesRequest payload, String token) {
+              return ListDatabasesRequest.newBuilder(payload).setPageToken(token).build();
+            }
+
+            @Override
+            public ListDatabasesRequest injectPageSize(ListDatabasesRequest payload, int pageSize) {
+              return ListDatabasesRequest.newBuilder(payload).setPageSize(pageSize).build();
+            }
+
+            @Override
+            public Integer extractPageSize(ListDatabasesRequest payload) {
+              return payload.getPageSize();
+            }
+
+            @Override
+            public String extractNextToken(ListDatabasesResponse payload) {
+              return payload.getNextPageToken();
+            }
+
+            @Override
+            public Iterable<Database> extractResources(ListDatabasesResponse payload) {
+              return payload.getDatabasesList() == null
+                  ? ImmutableList.<Database>of()
+                  : payload.getDatabasesList();
+            }
+          };
+
   private static final PagedListDescriptor<ListLocationsRequest, ListLocationsResponse, Location>
       LIST_LOCATIONS_PAGE_STR_DESC =
           new PagedListDescriptor<ListLocationsRequest, ListLocationsResponse, Location>() {
@@ -568,6 +611,23 @@ public ApiFuture<ListUsersPagedResponse> getFuturePagedResponse(
             }
           };
 
+  private static final PagedListResponseFactory<
+          ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+      LIST_DATABASES_PAGE_STR_FACT =
+          new PagedListResponseFactory<
+              ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>() {
+            @Override
+            public ApiFuture<ListDatabasesPagedResponse> getFuturePagedResponse(
+                UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> callable,
+                ListDatabasesRequest request,
+                ApiCallContext context,
+                ApiFuture<ListDatabasesResponse> futureResponse) {
+              PageContext<ListDatabasesRequest, ListDatabasesResponse, Database> pageContext =
+                  PageContext.create(callable, LIST_DATABASES_PAGE_STR_DESC, request, context);
+              return ListDatabasesPagedResponse.createAsync(pageContext, futureResponse);
+            }
+          };
+
   private static final PagedListResponseFactory<
           ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       LIST_LOCATIONS_PAGE_STR_FACT =
@@ -854,6 +914,12 @@ public UnaryCallSettings<DeleteUserRequest, Empty> deleteUserSettings() {
     return deleteUserSettings;
   }
 
+  /** Returns the object with the settings used for calls to listDatabases. */
+  public PagedCallSettings<ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+      listDatabasesSettings() {
+    return listDatabasesSettings;
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -1023,6 +1089,7 @@ protected AlloyDBAdminStubSettings(Builder settingsBuilder) throws IOException {
     createUserSettings = settingsBuilder.createUserSettings().build();
     updateUserSettings = settingsBuilder.updateUserSettings().build();
     deleteUserSettings = settingsBuilder.deleteUserSettings().build();
+    listDatabasesSettings = settingsBuilder.listDatabasesSettings().build();
     listLocationsSettings = settingsBuilder.listLocationsSettings().build();
     getLocationSettings = settingsBuilder.getLocationSettings().build();
   }
@@ -1124,6 +1191,9 @@ public static class Builder extends StubSettings.Builder<AlloyDBAdminStubSetting
     private final UnaryCallSettings.Builder<CreateUserRequest, User> createUserSettings;
     private final UnaryCallSettings.Builder<UpdateUserRequest, User> updateUserSettings;
     private final UnaryCallSettings.Builder<DeleteUserRequest, Empty> deleteUserSettings;
+    private final PagedCallSettings.Builder<
+            ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+        listDatabasesSettings;
     private final PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
         listLocationsSettings;
@@ -1225,6 +1295,7 @@ protected Builder(ClientContext clientContext) {
       createUserSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       updateUserSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       deleteUserSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      listDatabasesSettings = PagedCallSettings.newBuilder(LIST_DATABASES_PAGE_STR_FACT);
       listLocationsSettings = PagedCallSettings.newBuilder(LIST_LOCATIONS_PAGE_STR_FACT);
       getLocationSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
 
@@ -1261,6 +1332,7 @@ protected Builder(ClientContext clientContext) {
               createUserSettings,
               updateUserSettings,
               deleteUserSettings,
+              listDatabasesSettings,
               listLocationsSettings,
               getLocationSettings);
       initDefaults(this);
@@ -1320,6 +1392,7 @@ protected Builder(AlloyDBAdminStubSettings settings) {
       createUserSettings = settings.createUserSettings.toBuilder();
       updateUserSettings = settings.updateUserSettings.toBuilder();
       deleteUserSettings = settings.deleteUserSettings.toBuilder();
+      listDatabasesSettings = settings.listDatabasesSettings.toBuilder();
       listLocationsSettings = settings.listLocationsSettings.toBuilder();
       getLocationSettings = settings.getLocationSettings.toBuilder();
 
@@ -1356,6 +1429,7 @@ protected Builder(AlloyDBAdminStubSettings settings) {
               createUserSettings,
               updateUserSettings,
               deleteUserSettings,
+              listDatabasesSettings,
               listLocationsSettings,
               getLocationSettings);
     }
@@ -1542,6 +1616,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_1_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_1_params"));
 
+      builder
+          .listDatabasesSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       builder
           .listLocationsSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_1_codes"))
@@ -2289,6 +2368,13 @@ public UnaryCallSettings.Builder<DeleteUserRequest, Empty> deleteUserSettings()
       return deleteUserSettings;
     }
 
+    /** Returns the builder for the settings used for calls to listDatabases. */
+    public PagedCallSettings.Builder<
+            ListDatabasesRequest, ListDatabasesResponse, ListDatabasesPagedResponse>
+        listDatabasesSettings() {
+      return listDatabasesSettings;
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/GrpcAlloyDBAdminStub.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/GrpcAlloyDBAdminStub.java
index 98c25f9487ae..29ece46fbb16 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/GrpcAlloyDBAdminStub.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/GrpcAlloyDBAdminStub.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -61,6 +62,8 @@
 import com.google.cloud.alloydb.v1alpha.ListBackupsResponse;
 import com.google.cloud.alloydb.v1alpha.ListClustersRequest;
 import com.google.cloud.alloydb.v1alpha.ListClustersResponse;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesResponse;
 import com.google.cloud.alloydb.v1alpha.ListInstancesRequest;
 import com.google.cloud.alloydb.v1alpha.ListInstancesResponse;
 import com.google.cloud.alloydb.v1alpha.ListSupportedDatabaseFlagsRequest;
@@ -398,6 +401,17 @@ public class GrpcAlloyDBAdminStub extends AlloyDBAdminStub {
           .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
           .build();
 
+  private static final MethodDescriptor<ListDatabasesRequest, ListDatabasesResponse>
+      listDatabasesMethodDescriptor =
+          MethodDescriptor.<ListDatabasesRequest, ListDatabasesResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.cloud.alloydb.v1alpha.AlloyDBAdmin/ListDatabases")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(ListDatabasesRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(ListDatabasesResponse.getDefaultInstance()))
+              .build();
+
   private static final MethodDescriptor<ListLocationsRequest, ListLocationsResponse>
       listLocationsMethodDescriptor =
           MethodDescriptor.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -497,6 +511,9 @@ public class GrpcAlloyDBAdminStub extends AlloyDBAdminStub {
   private final UnaryCallable<CreateUserRequest, User> createUserCallable;
   private final UnaryCallable<UpdateUserRequest, User> updateUserCallable;
   private final UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable;
+  private final UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable;
+  private final UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable;
@@ -860,6 +877,16 @@ protected GrpcAlloyDBAdminStub(
                   return builder.build();
                 })
             .build();
+    GrpcCallSettings<ListDatabasesRequest, ListDatabasesResponse> listDatabasesTransportSettings =
+        GrpcCallSettings.<ListDatabasesRequest, ListDatabasesResponse>newBuilder()
+            .setMethodDescriptor(listDatabasesMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .build();
     GrpcCallSettings<ListLocationsRequest, ListLocationsResponse> listLocationsTransportSettings =
         GrpcCallSettings.<ListLocationsRequest, ListLocationsResponse>newBuilder()
             .setMethodDescriptor(listLocationsMethodDescriptor)
@@ -1105,6 +1132,12 @@ protected GrpcAlloyDBAdminStub(
     this.deleteUserCallable =
         callableFactory.createUnaryCallable(
             deleteUserTransportSettings, settings.deleteUserSettings(), clientContext);
+    this.listDatabasesCallable =
+        callableFactory.createUnaryCallable(
+            listDatabasesTransportSettings, settings.listDatabasesSettings(), clientContext);
+    this.listDatabasesPagedCallable =
+        callableFactory.createPagedCallable(
+            listDatabasesTransportSettings, settings.listDatabasesSettings(), clientContext);
     this.listLocationsCallable =
         callableFactory.createUnaryCallable(
             listLocationsTransportSettings, settings.listLocationsSettings(), clientContext);
@@ -1411,6 +1444,17 @@ public UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable() {
     return deleteUserCallable;
   }
 
+  @Override
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable() {
+    return listDatabasesCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable() {
+    return listDatabasesPagedCallable;
+  }
+
   @Override
   public UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable() {
     return listLocationsCallable;
diff --git a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/HttpJsonAlloyDBAdminStub.java b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/HttpJsonAlloyDBAdminStub.java
index efb59a833775..caed0d92bd24 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/HttpJsonAlloyDBAdminStub.java
+++ b/java-alloydb/google-cloud-alloydb/src/main/java/com/google/cloud/alloydb/v1alpha/stub/HttpJsonAlloyDBAdminStub.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -69,6 +70,8 @@
 import com.google.cloud.alloydb.v1alpha.ListBackupsResponse;
 import com.google.cloud.alloydb.v1alpha.ListClustersRequest;
 import com.google.cloud.alloydb.v1alpha.ListClustersResponse;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesResponse;
 import com.google.cloud.alloydb.v1alpha.ListInstancesRequest;
 import com.google.cloud.alloydb.v1alpha.ListInstancesResponse;
 import com.google.cloud.alloydb.v1alpha.ListSupportedDatabaseFlagsRequest;
@@ -1359,6 +1362,43 @@ public class HttpJsonAlloyDBAdminStub extends AlloyDBAdminStub {
                   .build())
           .build();
 
+  private static final ApiMethodDescriptor<ListDatabasesRequest, ListDatabasesResponse>
+      listDatabasesMethodDescriptor =
+          ApiMethodDescriptor.<ListDatabasesRequest, ListDatabasesResponse>newBuilder()
+              .setFullMethodName("google.cloud.alloydb.v1alpha.AlloyDBAdmin/ListDatabases")
+              .setHttpMethod("GET")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<ListDatabasesRequest>newBuilder()
+                      .setPath(
+                          "/v1alpha/{parent=projects/*/locations/*/clusters/*}/databases",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<ListDatabasesRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "parent", request.getParent());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<ListDatabasesRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "filter", request.getFilter());
+                            serializer.putQueryParam(fields, "pageSize", request.getPageSize());
+                            serializer.putQueryParam(fields, "pageToken", request.getPageToken());
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(request -> null)
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<ListDatabasesResponse>newBuilder()
+                      .setDefaultInstance(ListDatabasesResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
   private static final ApiMethodDescriptor<ListLocationsRequest, ListLocationsResponse>
       listLocationsMethodDescriptor =
           ApiMethodDescriptor.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -1507,6 +1547,9 @@ public class HttpJsonAlloyDBAdminStub extends AlloyDBAdminStub {
   private final UnaryCallable<CreateUserRequest, User> createUserCallable;
   private final UnaryCallable<UpdateUserRequest, User> updateUserCallable;
   private final UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable;
+  private final UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable;
+  private final UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable;
@@ -1932,6 +1975,18 @@ protected HttpJsonAlloyDBAdminStub(
                   return builder.build();
                 })
             .build();
+    HttpJsonCallSettings<ListDatabasesRequest, ListDatabasesResponse>
+        listDatabasesTransportSettings =
+            HttpJsonCallSettings.<ListDatabasesRequest, ListDatabasesResponse>newBuilder()
+                .setMethodDescriptor(listDatabasesMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("parent", String.valueOf(request.getParent()));
+                      return builder.build();
+                    })
+                .build();
     HttpJsonCallSettings<ListLocationsRequest, ListLocationsResponse>
         listLocationsTransportSettings =
             HttpJsonCallSettings.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -2180,6 +2235,12 @@ protected HttpJsonAlloyDBAdminStub(
     this.deleteUserCallable =
         callableFactory.createUnaryCallable(
             deleteUserTransportSettings, settings.deleteUserSettings(), clientContext);
+    this.listDatabasesCallable =
+        callableFactory.createUnaryCallable(
+            listDatabasesTransportSettings, settings.listDatabasesSettings(), clientContext);
+    this.listDatabasesPagedCallable =
+        callableFactory.createPagedCallable(
+            listDatabasesTransportSettings, settings.listDatabasesSettings(), clientContext);
     this.listLocationsCallable =
         callableFactory.createUnaryCallable(
             listLocationsTransportSettings, settings.listLocationsSettings(), clientContext);
@@ -2228,6 +2289,7 @@ public static List<ApiMethodDescriptor> getMethodDescriptors() {
     methodDescriptors.add(createUserMethodDescriptor);
     methodDescriptors.add(updateUserMethodDescriptor);
     methodDescriptors.add(deleteUserMethodDescriptor);
+    methodDescriptors.add(listDatabasesMethodDescriptor);
     methodDescriptors.add(listLocationsMethodDescriptor);
     methodDescriptors.add(getLocationMethodDescriptor);
     return methodDescriptors;
@@ -2525,6 +2587,17 @@ public UnaryCallable<DeleteUserRequest, Empty> deleteUserCallable() {
     return deleteUserCallable;
   }
 
+  @Override
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable() {
+    return listDatabasesCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListDatabasesRequest, ListDatabasesPagedResponse>
+      listDatabasesPagedCallable() {
+    return listDatabasesPagedCallable;
+  }
+
   @Override
   public UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable() {
     return listLocationsCallable;
diff --git a/java-alloydb/google-cloud-alloydb/src/main/resources/META-INF/native-image/com.google.cloud.alloydb.v1alpha/reflect-config.json b/java-alloydb/google-cloud-alloydb/src/main/resources/META-INF/native-image/com.google.cloud.alloydb.v1alpha/reflect-config.json
index 1c6cdf2a0f37..984928270a07 100644
--- a/java-alloydb/google-cloud-alloydb/src/main/resources/META-INF/native-image/com.google.cloud.alloydb.v1alpha/reflect-config.json
+++ b/java-alloydb/google-cloud-alloydb/src/main/resources/META-INF/native-image/com.google.cloud.alloydb.v1alpha/reflect-config.json
@@ -116,6 +116,33 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.api.FieldInfo",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.api.FieldInfo$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.api.FieldInfo$Format",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.api.GoSettings",
     "queryAllDeclaredConstructors": true,
@@ -665,6 +692,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Cluster$PscConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Cluster$PscConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.alloydb.v1alpha.Cluster$SecondaryConfig",
     "queryAllDeclaredConstructors": true,
@@ -899,6 +944,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Database",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Database$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.alloydb.v1alpha.DatabaseVersion",
     "queryAllDeclaredConstructors": true,
@@ -1241,6 +1304,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$InstanceNetworkConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$InstanceNetworkConfig$AuthorizedNetwork",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$InstanceNetworkConfig$AuthorizedNetwork$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$InstanceNetworkConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.alloydb.v1alpha.Instance$InstanceType",
     "queryAllDeclaredConstructors": true,
@@ -1286,6 +1385,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$PscInstanceConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$PscInstanceConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$PscInterfaceConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.Instance$PscInterfaceConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.alloydb.v1alpha.Instance$QueryInsightsInstanceConfig",
     "queryAllDeclaredConstructors": true,
@@ -1439,6 +1574,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.ListDatabasesRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.ListDatabasesRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.ListDatabasesResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.alloydb.v1alpha.ListDatabasesResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.alloydb.v1alpha.ListInstancesRequest",
     "queryAllDeclaredConstructors": true,
diff --git a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientHttpJsonTest.java b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientHttpJsonTest.java
index 47ddf0d9556b..e18da8c20b65 100644
--- a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientHttpJsonTest.java
+++ b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientHttpJsonTest.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -218,7 +219,9 @@ public void getClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -284,7 +287,9 @@ public void getClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -350,7 +355,9 @@ public void createClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -425,7 +432,9 @@ public void createClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -500,7 +509,9 @@ public void updateClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -534,7 +545,9 @@ public void updateClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     FieldMask updateMask = FieldMask.newBuilder().build();
 
@@ -588,7 +601,9 @@ public void updateClusterExceptionTest() throws Exception {
               .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
               .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
               .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+              .setSatisfiesPzi(true)
               .setSatisfiesPzs(true)
+              .setPscConfig(Cluster.PscConfig.newBuilder().build())
               .build();
       FieldMask updateMask = FieldMask.newBuilder().build();
       client.updateClusterAsync(cluster, updateMask).get();
@@ -713,7 +728,9 @@ public void promoteClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -784,7 +801,9 @@ public void promoteClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -855,7 +874,9 @@ public void restoreClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -940,7 +961,9 @@ public void createSecondaryClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1015,7 +1038,9 @@ public void createSecondaryClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1189,7 +1214,10 @@ public void getInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -1254,7 +1282,10 @@ public void getInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -1321,7 +1352,10 @@ public void createInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1395,7 +1429,10 @@ public void createInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1469,7 +1506,10 @@ public void createSecondaryInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1544,7 +1584,10 @@ public void createSecondaryInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1678,7 +1721,10 @@ public void updateInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1711,7 +1757,10 @@ public void updateInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     FieldMask updateMask = FieldMask.newBuilder().build();
 
@@ -1764,7 +1813,10 @@ public void updateInstanceExceptionTest() throws Exception {
               .putAllAnnotations(new HashMap<String, String>())
               .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
               .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+              .setSatisfiesPzi(true)
               .setSatisfiesPzs(true)
+              .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+              .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
               .build();
       FieldMask updateMask = FieldMask.newBuilder().build();
       client.updateInstanceAsync(instance, updateMask).get();
@@ -1890,7 +1942,10 @@ public void failoverInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1960,7 +2015,10 @@ public void failoverInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2032,7 +2090,10 @@ public void injectFaultTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2104,7 +2165,10 @@ public void injectFaultTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2178,7 +2242,10 @@ public void restartInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2248,7 +2315,10 @@ public void restartInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2417,6 +2487,7 @@ public void getBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2480,6 +2551,7 @@ public void getBackupTest2() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2543,6 +2615,7 @@ public void createBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2615,6 +2688,7 @@ public void createBackupTest2() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2687,6 +2761,7 @@ public void updateBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2718,6 +2793,7 @@ public void updateBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2769,6 +2845,7 @@ public void updateBackupExceptionTest() throws Exception {
               .setSizeBytes(-1796325715)
               .setExpiryTime(Timestamp.newBuilder().build())
               .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+              .setSatisfiesPzi(true)
               .setSatisfiesPzs(true)
               .setDatabaseVersion(DatabaseVersion.forNumber(0))
               .build();
@@ -3069,6 +3146,7 @@ public void getConnectionInfoTest() throws Exception {
         ConnectionInfo.newBuilder()
             .setName("name3373707")
             .setIpAddress("ipAddress1634032845")
+            .setPublicIpAddress("publicIpAddress2055303268")
             .addAllPemCertificateChain(new ArrayList<String>())
             .setInstanceUid("instanceUid-2102004869")
             .build();
@@ -3116,6 +3194,7 @@ public void getConnectionInfoTest2() throws Exception {
         ConnectionInfo.newBuilder()
             .setName("name3373707")
             .setIpAddress("ipAddress1634032845")
+            .setPublicIpAddress("publicIpAddress2055303268")
             .addAllPemCertificateChain(new ArrayList<String>())
             .setInstanceUid("instanceUid-2102004869")
             .build();
@@ -3593,6 +3672,106 @@ public void deleteUserExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void listDatabasesTest() throws Exception {
+    Database responsesElement = Database.newBuilder().build();
+    ListDatabasesResponse expectedResponse =
+        ListDatabasesResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllDatabases(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+
+    ListDatabasesPagedResponse pagedListResponse = client.listDatabases(parent);
+
+    List<Database> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getDatabasesList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listDatabasesExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+      client.listDatabases(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listDatabasesTest2() throws Exception {
+    Database responsesElement = Database.newBuilder().build();
+    ListDatabasesResponse expectedResponse =
+        ListDatabasesResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllDatabases(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String parent = "projects/project-9466/locations/location-9466/clusters/cluster-9466";
+
+    ListDatabasesPagedResponse pagedListResponse = client.listDatabases(parent);
+
+    List<Database> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getDatabasesList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listDatabasesExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String parent = "projects/project-9466/locations/location-9466/clusters/cluster-9466";
+      client.listDatabases(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listLocationsTest() throws Exception {
     Location responsesElement = Location.newBuilder().build();
diff --git a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientTest.java b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientTest.java
index 45634f9806a7..ffb5b6a34e90 100644
--- a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientTest.java
+++ b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminClientTest.java
@@ -18,6 +18,7 @@
 
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListBackupsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListClustersPagedResponse;
+import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListDatabasesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListInstancesPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListLocationsPagedResponse;
 import static com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient.ListSupportedDatabaseFlagsPagedResponse;
@@ -215,7 +216,9 @@ public void getClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     mockAlloyDBAdmin.addResponse(expectedResponse);
 
@@ -275,7 +278,9 @@ public void getClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     mockAlloyDBAdmin.addResponse(expectedResponse);
 
@@ -335,7 +340,9 @@ public void createClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -409,7 +416,9 @@ public void createClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -483,7 +492,9 @@ public void updateClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -638,7 +649,9 @@ public void promoteClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -706,7 +719,9 @@ public void promoteClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -774,7 +789,9 @@ public void restoreClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -863,7 +880,9 @@ public void createSecondaryClusterTest() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -938,7 +957,9 @@ public void createSecondaryClusterTest2() throws Exception {
             .setContinuousBackupInfo(ContinuousBackupInfo.newBuilder().build())
             .setSecondaryConfig(Cluster.SecondaryConfig.newBuilder().build())
             .setPrimaryConfig(Cluster.PrimaryConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscConfig(Cluster.PscConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1100,7 +1121,10 @@ public void getInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     mockAlloyDBAdmin.addResponse(expectedResponse);
 
@@ -1159,7 +1183,10 @@ public void getInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     mockAlloyDBAdmin.addResponse(expectedResponse);
 
@@ -1218,7 +1245,10 @@ public void createInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1291,7 +1321,10 @@ public void createInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1364,7 +1397,10 @@ public void createSecondaryInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1439,7 +1475,10 @@ public void createSecondaryInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1573,7 +1612,10 @@ public void updateInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1727,7 +1769,10 @@ public void failoverInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1794,7 +1839,10 @@ public void failoverInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1861,7 +1909,10 @@ public void injectFaultTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -1931,7 +1982,10 @@ public void injectFaultTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2001,7 +2055,10 @@ public void restartInstanceTest() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2068,7 +2125,10 @@ public void restartInstanceTest2() throws Exception {
             .putAllAnnotations(new HashMap<String, String>())
             .setUpdatePolicy(Instance.UpdatePolicy.newBuilder().build())
             .setClientConnectionConfig(Instance.ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
+            .setPscInstanceConfig(Instance.PscInstanceConfig.newBuilder().build())
+            .setNetworkConfig(Instance.InstanceNetworkConfig.newBuilder().build())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -2220,6 +2280,7 @@ public void getBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2277,6 +2338,7 @@ public void getBackupTest2() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2334,6 +2396,7 @@ public void createBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2405,6 +2468,7 @@ public void createBackupTest2() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2476,6 +2540,7 @@ public void updateBackupTest() throws Exception {
             .setSizeBytes(-1796325715)
             .setExpiryTime(Timestamp.newBuilder().build())
             .setExpiryQuantity(Backup.QuantityBasedExpiry.newBuilder().build())
+            .setSatisfiesPzi(true)
             .setSatisfiesPzs(true)
             .setDatabaseVersion(DatabaseVersion.forNumber(0))
             .build();
@@ -2786,6 +2851,7 @@ public void getConnectionInfoTest() throws Exception {
         ConnectionInfo.newBuilder()
             .setName("name3373707")
             .setIpAddress("ipAddress1634032845")
+            .setPublicIpAddress("publicIpAddress2055303268")
             .addAllPemCertificateChain(new ArrayList<String>())
             .setInstanceUid("instanceUid-2102004869")
             .build();
@@ -2827,6 +2893,7 @@ public void getConnectionInfoTest2() throws Exception {
         ConnectionInfo.newBuilder()
             .setName("name3373707")
             .setIpAddress("ipAddress1634032845")
+            .setPublicIpAddress("publicIpAddress2055303268")
             .addAllPemCertificateChain(new ArrayList<String>())
             .setInstanceUid("instanceUid-2102004869")
             .build();
@@ -3233,6 +3300,94 @@ public void deleteUserExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void listDatabasesTest() throws Exception {
+    Database responsesElement = Database.newBuilder().build();
+    ListDatabasesResponse expectedResponse =
+        ListDatabasesResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllDatabases(Arrays.asList(responsesElement))
+            .build();
+    mockAlloyDBAdmin.addResponse(expectedResponse);
+
+    ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+
+    ListDatabasesPagedResponse pagedListResponse = client.listDatabases(parent);
+
+    List<Database> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getDatabasesList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockAlloyDBAdmin.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListDatabasesRequest actualRequest = ((ListDatabasesRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listDatabasesExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockAlloyDBAdmin.addException(exception);
+
+    try {
+      ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+      client.listDatabases(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listDatabasesTest2() throws Exception {
+    Database responsesElement = Database.newBuilder().build();
+    ListDatabasesResponse expectedResponse =
+        ListDatabasesResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllDatabases(Arrays.asList(responsesElement))
+            .build();
+    mockAlloyDBAdmin.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+
+    ListDatabasesPagedResponse pagedListResponse = client.listDatabases(parent);
+
+    List<Database> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getDatabasesList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockAlloyDBAdmin.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListDatabasesRequest actualRequest = ((ListDatabasesRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listDatabasesExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockAlloyDBAdmin.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.listDatabases(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listLocationsTest() throws Exception {
     Location responsesElement = Location.newBuilder().build();
diff --git a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/MockAlloyDBAdminImpl.java b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/MockAlloyDBAdminImpl.java
index 62811727dae0..41d7fafda0e1 100644
--- a/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/MockAlloyDBAdminImpl.java
+++ b/java-alloydb/google-cloud-alloydb/src/test/java/com/google/cloud/alloydb/v1alpha/MockAlloyDBAdminImpl.java
@@ -704,4 +704,25 @@ public void deleteUser(DeleteUserRequest request, StreamObserver<Empty> response
                   Exception.class.getName())));
     }
   }
+
+  @Override
+  public void listDatabases(
+      ListDatabasesRequest request, StreamObserver<ListDatabasesResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof ListDatabasesResponse) {
+      requests.add(request);
+      responseObserver.onNext(((ListDatabasesResponse) 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 ListDatabases, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  ListDatabasesResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
 }
diff --git a/java-alloydb/grpc-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminGrpc.java b/java-alloydb/grpc-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminGrpc.java
index b3d01b069145..71b8d0b79193 100644
--- a/java-alloydb/grpc-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminGrpc.java
+++ b/java-alloydb/grpc-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/AlloyDBAdminGrpc.java
@@ -1425,6 +1425,53 @@ private AlloyDBAdminGrpc() {}
     return getDeleteUserMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.alloydb.v1alpha.ListDatabasesRequest,
+          com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+      getListDatabasesMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListDatabases",
+      requestType = com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.class,
+      responseType = com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.alloydb.v1alpha.ListDatabasesRequest,
+          com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+      getListDatabasesMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.alloydb.v1alpha.ListDatabasesRequest,
+            com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+        getListDatabasesMethod;
+    if ((getListDatabasesMethod = AlloyDBAdminGrpc.getListDatabasesMethod) == null) {
+      synchronized (AlloyDBAdminGrpc.class) {
+        if ((getListDatabasesMethod = AlloyDBAdminGrpc.getListDatabasesMethod) == null) {
+          AlloyDBAdminGrpc.getListDatabasesMethod =
+              getListDatabasesMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.alloydb.v1alpha.ListDatabasesRequest,
+                          com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListDatabases"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.alloydb.v1alpha.ListDatabasesRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.alloydb.v1alpha.ListDatabasesResponse
+                                  .getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new AlloyDBAdminMethodDescriptorSupplier("ListDatabases"))
+                      .build();
+        }
+      }
+    }
+    return getListDatabasesMethod;
+  }
+
   /** Creates a new async stub that supports all call types for the service */
   public static AlloyDBAdminStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory<AlloyDBAdminStub> factory =
@@ -1933,6 +1980,21 @@ default void deleteUser(
         io.grpc.stub.StreamObserver<com.google.protobuf.Empty> responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteUserMethod(), responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists Databases in a given project and location.
+     * </pre>
+     */
+    default void listDatabases(
+        com.google.cloud.alloydb.v1alpha.ListDatabasesRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+            responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getListDatabasesMethod(), responseObserver);
+    }
   }
 
   /**
@@ -2482,6 +2544,23 @@ public void deleteUser(
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getDeleteUserMethod(), getCallOptions()), request, responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists Databases in a given project and location.
+     * </pre>
+     */
+    public void listDatabases(
+        com.google.cloud.alloydb.v1alpha.ListDatabasesRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+            responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListDatabasesMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
   }
 
   /**
@@ -2930,6 +3009,19 @@ public com.google.protobuf.Empty deleteUser(
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getDeleteUserMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists Databases in a given project and location.
+     * </pre>
+     */
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesResponse listDatabases(
+        com.google.cloud.alloydb.v1alpha.ListDatabasesRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListDatabasesMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -3390,6 +3482,20 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getDeleteUserMethod(), getCallOptions()), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists Databases in a given project and location.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>
+        listDatabases(com.google.cloud.alloydb.v1alpha.ListDatabasesRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListDatabasesMethod(), getCallOptions()), request);
+    }
   }
 
   private static final int METHODID_LIST_CLUSTERS = 0;
@@ -3423,6 +3529,7 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
   private static final int METHODID_CREATE_USER = 28;
   private static final int METHODID_UPDATE_USER = 29;
   private static final int METHODID_DELETE_USER = 30;
+  private static final int METHODID_LIST_DATABASES = 31;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -3611,6 +3718,12 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (com.google.cloud.alloydb.v1alpha.DeleteUserRequest) request,
               (io.grpc.stub.StreamObserver<com.google.protobuf.Empty>) responseObserver);
           break;
+        case METHODID_LIST_DATABASES:
+          serviceImpl.listDatabases(
+              (com.google.cloud.alloydb.v1alpha.ListDatabasesRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>)
+                  responseObserver);
+          break;
         default:
           throw new AssertionError();
       }
@@ -3822,6 +3935,13 @@ public static final io.grpc.ServerServiceDefinition bindService(AsyncService ser
                 new MethodHandlers<
                     com.google.cloud.alloydb.v1alpha.DeleteUserRequest, com.google.protobuf.Empty>(
                     service, METHODID_DELETE_USER)))
+        .addMethod(
+            getListDatabasesMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.cloud.alloydb.v1alpha.ListDatabasesRequest,
+                    com.google.cloud.alloydb.v1alpha.ListDatabasesResponse>(
+                    service, METHODID_LIST_DATABASES)))
         .build();
   }
 
@@ -3904,6 +4024,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getCreateUserMethod())
                       .addMethod(getUpdateUserMethod())
                       .addMethod(getDeleteUserMethod())
+                      .addMethod(getListDatabasesMethod())
                       .build();
         }
       }
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Backup.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Backup.java
index d19740b09f03..7fc6f4e43be7 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Backup.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Backup.java
@@ -2252,16 +2252,34 @@ public com.google.cloud.alloydb.v1alpha.Backup.QuantityBasedExpiry getExpiryQuan
         : expiryQuantity_;
   }
 
+  public static final int SATISFIES_PZI_FIELD_NUMBER = 23;
+  private boolean satisfiesPzi_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzi = 23 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  @java.lang.Override
+  public boolean getSatisfiesPzi() {
+    return satisfiesPzi_;
+  }
+
   public static final int SATISFIES_PZS_FIELD_NUMBER = 21;
   private boolean satisfiesPzs_ = false;
   /**
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 21;</code>
+   * <code>bool satisfies_pzs = 21 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
@@ -2393,6 +2411,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
             .getNumber()) {
       output.writeEnum(22, databaseVersion_);
     }
+    if (satisfiesPzi_ != false) {
+      output.writeBool(23, satisfiesPzi_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -2484,6 +2505,9 @@ public int getSerializedSize() {
             .getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(22, databaseVersion_);
     }
+    if (satisfiesPzi_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(23, satisfiesPzi_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -2540,6 +2564,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasExpiryQuantity()) {
       if (!getExpiryQuantity().equals(other.getExpiryQuantity())) return false;
     }
+    if (getSatisfiesPzi() != other.getSatisfiesPzi()) return false;
     if (getSatisfiesPzs() != other.getSatisfiesPzs()) return false;
     if (databaseVersion_ != other.databaseVersion_) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
@@ -2611,6 +2636,8 @@ public int hashCode() {
       hash = (37 * hash) + EXPIRY_QUANTITY_FIELD_NUMBER;
       hash = (53 * hash) + getExpiryQuantity().hashCode();
     }
+    hash = (37 * hash) + SATISFIES_PZI_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzi());
     hash = (37 * hash) + SATISFIES_PZS_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzs());
     hash = (37 * hash) + DATABASE_VERSION_FIELD_NUMBER;
@@ -2826,6 +2853,7 @@ public Builder clear() {
         expiryQuantityBuilder_.dispose();
         expiryQuantityBuilder_ = null;
       }
+      satisfiesPzi_ = false;
       satisfiesPzs_ = false;
       databaseVersion_ = 0;
       return this;
@@ -2930,9 +2958,12 @@ private void buildPartial0(com.google.cloud.alloydb.v1alpha.Backup result) {
             expiryQuantityBuilder_ == null ? expiryQuantity_ : expiryQuantityBuilder_.build();
       }
       if (((from_bitField0_ & 0x00100000) != 0)) {
-        result.satisfiesPzs_ = satisfiesPzs_;
+        result.satisfiesPzi_ = satisfiesPzi_;
       }
       if (((from_bitField0_ & 0x00200000) != 0)) {
+        result.satisfiesPzs_ = satisfiesPzs_;
+      }
+      if (((from_bitField0_ & 0x00400000) != 0)) {
         result.databaseVersion_ = databaseVersion_;
       }
     }
@@ -3054,6 +3085,9 @@ public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Backup other) {
       if (other.hasExpiryQuantity()) {
         mergeExpiryQuantity(other.getExpiryQuantity());
       }
+      if (other.getSatisfiesPzi() != false) {
+        setSatisfiesPzi(other.getSatisfiesPzi());
+      }
       if (other.getSatisfiesPzs() != false) {
         setSatisfiesPzs(other.getSatisfiesPzs());
       }
@@ -3222,15 +3256,21 @@ public Builder mergeFrom(
             case 168:
               {
                 satisfiesPzs_ = input.readBool();
-                bitField0_ |= 0x00100000;
+                bitField0_ |= 0x00200000;
                 break;
               } // case 168
             case 176:
               {
                 databaseVersion_ = input.readEnum();
-                bitField0_ |= 0x00200000;
+                bitField0_ |= 0x00400000;
                 break;
               } // case 176
+            case 184:
+              {
+                satisfiesPzi_ = input.readBool();
+                bitField0_ |= 0x00100000;
+                break;
+              } // case 184
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -6187,15 +6227,68 @@ public Builder clearExpiryQuantity() {
       return expiryQuantityBuilder_;
     }
 
+    private boolean satisfiesPzi_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 23 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The satisfiesPzi.
+     */
+    @java.lang.Override
+    public boolean getSatisfiesPzi() {
+      return satisfiesPzi_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 23 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The satisfiesPzi to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSatisfiesPzi(boolean value) {
+
+      satisfiesPzi_ = value;
+      bitField0_ |= 0x00100000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 23 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSatisfiesPzi() {
+      bitField0_ = (bitField0_ & ~0x00100000);
+      satisfiesPzi_ = false;
+      onChanged();
+      return this;
+    }
+
     private boolean satisfiesPzs_;
     /**
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 21;</code>
+     * <code>bool satisfies_pzs = 21 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @return The satisfiesPzs.
      */
@@ -6207,10 +6300,10 @@ public boolean getSatisfiesPzs() {
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 21;</code>
+     * <code>bool satisfies_pzs = 21 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @param value The satisfiesPzs to set.
      * @return This builder for chaining.
@@ -6218,7 +6311,7 @@ public boolean getSatisfiesPzs() {
     public Builder setSatisfiesPzs(boolean value) {
 
       satisfiesPzs_ = value;
-      bitField0_ |= 0x00100000;
+      bitField0_ |= 0x00200000;
       onChanged();
       return this;
     }
@@ -6226,15 +6319,15 @@ public Builder setSatisfiesPzs(boolean value) {
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 21;</code>
+     * <code>bool satisfies_pzs = 21 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @return This builder for chaining.
      */
     public Builder clearSatisfiesPzs() {
-      bitField0_ = (bitField0_ & ~0x00100000);
+      bitField0_ = (bitField0_ & ~0x00200000);
       satisfiesPzs_ = false;
       onChanged();
       return this;
@@ -6278,7 +6371,7 @@ public int getDatabaseVersionValue() {
      */
     public Builder setDatabaseVersionValue(int value) {
       databaseVersion_ = value;
-      bitField0_ |= 0x00200000;
+      bitField0_ |= 0x00400000;
       onChanged();
       return this;
     }
@@ -6325,7 +6418,7 @@ public Builder setDatabaseVersion(com.google.cloud.alloydb.v1alpha.DatabaseVersi
       if (value == null) {
         throw new NullPointerException();
       }
-      bitField0_ |= 0x00200000;
+      bitField0_ |= 0x00400000;
       databaseVersion_ = value.getNumber();
       onChanged();
       return this;
@@ -6346,7 +6439,7 @@ public Builder setDatabaseVersion(com.google.cloud.alloydb.v1alpha.DatabaseVersi
      * @return This builder for chaining.
      */
     public Builder clearDatabaseVersion() {
-      bitField0_ = (bitField0_ & ~0x00200000);
+      bitField0_ = (bitField0_ & ~0x00400000);
       databaseVersion_ = 0;
       onChanged();
       return this;
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/BackupOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/BackupOrBuilder.java
index c130951879a2..ea7114655c4e 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/BackupOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/BackupOrBuilder.java
@@ -733,10 +733,23 @@ java.lang.String getAnnotationsOrDefault(
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 21;</code>
+   * <code>bool satisfies_pzi = 23 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  boolean getSatisfiesPzi();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzs = 21 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Cluster.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Cluster.java
index 740394b81efa..0ace485ba7a8 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Cluster.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Cluster.java
@@ -579,7 +579,7 @@ public interface NetworkConfigOrBuilder
      *
      *
      * <pre>
-     * Required. The resource link for the VPC network in which cluster
+     * Optional. The resource link for the VPC network in which cluster
      * resources are created and from which they are accessible via Private IP.
      * The network must belong to the same project as the cluster. It is
      * specified in the form:
@@ -588,7 +588,7 @@ public interface NetworkConfigOrBuilder
      * </pre>
      *
      * <code>
-     * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
      * @return The network.
@@ -598,7 +598,7 @@ public interface NetworkConfigOrBuilder
      *
      *
      * <pre>
-     * Required. The resource link for the VPC network in which cluster
+     * Optional. The resource link for the VPC network in which cluster
      * resources are created and from which they are accessible via Private IP.
      * The network must belong to the same project as the cluster. It is
      * specified in the form:
@@ -607,7 +607,7 @@ public interface NetworkConfigOrBuilder
      * </pre>
      *
      * <code>
-     * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
      * @return The bytes for network.
@@ -623,8 +623,8 @@ public interface NetworkConfigOrBuilder
      * instance IPs for this cluster will be created in the allocated range. The
      * range name must comply with RFC 1035. Specifically, the name must be 1-63
      * characters long and match the regular expression
-     * [a-z]([-a-z0-9]*[a-z0-9])?.
-     * Field name is intended to be consistent with CloudSQL.
+     * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+     * Field name is intended to be consistent with Cloud SQL.
      * </pre>
      *
      * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -641,8 +641,8 @@ public interface NetworkConfigOrBuilder
      * instance IPs for this cluster will be created in the allocated range. The
      * range name must comply with RFC 1035. Specifically, the name must be 1-63
      * characters long and match the regular expression
-     * [a-z]([-a-z0-9]*[a-z0-9])?.
-     * Field name is intended to be consistent with CloudSQL.
+     * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+     * Field name is intended to be consistent with Cloud SQL.
      * </pre>
      *
      * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -704,7 +704,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      *
      *
      * <pre>
-     * Required. The resource link for the VPC network in which cluster
+     * Optional. The resource link for the VPC network in which cluster
      * resources are created and from which they are accessible via Private IP.
      * The network must belong to the same project as the cluster. It is
      * specified in the form:
@@ -713,7 +713,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      * </pre>
      *
      * <code>
-     * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
      * @return The network.
@@ -734,7 +734,7 @@ public java.lang.String getNetwork() {
      *
      *
      * <pre>
-     * Required. The resource link for the VPC network in which cluster
+     * Optional. The resource link for the VPC network in which cluster
      * resources are created and from which they are accessible via Private IP.
      * The network must belong to the same project as the cluster. It is
      * specified in the form:
@@ -743,7 +743,7 @@ public java.lang.String getNetwork() {
      * </pre>
      *
      * <code>
-     * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
      * @return The bytes for network.
@@ -774,8 +774,8 @@ public com.google.protobuf.ByteString getNetworkBytes() {
      * instance IPs for this cluster will be created in the allocated range. The
      * range name must comply with RFC 1035. Specifically, the name must be 1-63
      * characters long and match the regular expression
-     * [a-z]([-a-z0-9]*[a-z0-9])?.
-     * Field name is intended to be consistent with CloudSQL.
+     * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+     * Field name is intended to be consistent with Cloud SQL.
      * </pre>
      *
      * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -803,8 +803,8 @@ public java.lang.String getAllocatedIpRange() {
      * instance IPs for this cluster will be created in the allocated range. The
      * range name must comply with RFC 1035. Specifically, the name must be 1-63
      * characters long and match the regular expression
-     * [a-z]([-a-z0-9]*[a-z0-9])?.
-     * Field name is intended to be consistent with CloudSQL.
+     * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+     * Field name is intended to be consistent with Cloud SQL.
      * </pre>
      *
      * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1200,7 +1200,7 @@ public Builder mergeFrom(
        *
        *
        * <pre>
-       * Required. The resource link for the VPC network in which cluster
+       * Optional. The resource link for the VPC network in which cluster
        * resources are created and from which they are accessible via Private IP.
        * The network must belong to the same project as the cluster. It is
        * specified in the form:
@@ -1209,7 +1209,7 @@ public Builder mergeFrom(
        * </pre>
        *
        * <code>
-       * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
        * </code>
        *
        * @return The network.
@@ -1229,7 +1229,7 @@ public java.lang.String getNetwork() {
        *
        *
        * <pre>
-       * Required. The resource link for the VPC network in which cluster
+       * Optional. The resource link for the VPC network in which cluster
        * resources are created and from which they are accessible via Private IP.
        * The network must belong to the same project as the cluster. It is
        * specified in the form:
@@ -1238,7 +1238,7 @@ public java.lang.String getNetwork() {
        * </pre>
        *
        * <code>
-       * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
        * </code>
        *
        * @return The bytes for network.
@@ -1258,7 +1258,7 @@ public com.google.protobuf.ByteString getNetworkBytes() {
        *
        *
        * <pre>
-       * Required. The resource link for the VPC network in which cluster
+       * Optional. The resource link for the VPC network in which cluster
        * resources are created and from which they are accessible via Private IP.
        * The network must belong to the same project as the cluster. It is
        * specified in the form:
@@ -1267,7 +1267,7 @@ public com.google.protobuf.ByteString getNetworkBytes() {
        * </pre>
        *
        * <code>
-       * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
        * </code>
        *
        * @param value The network to set.
@@ -1286,7 +1286,7 @@ public Builder setNetwork(java.lang.String value) {
        *
        *
        * <pre>
-       * Required. The resource link for the VPC network in which cluster
+       * Optional. The resource link for the VPC network in which cluster
        * resources are created and from which they are accessible via Private IP.
        * The network must belong to the same project as the cluster. It is
        * specified in the form:
@@ -1295,7 +1295,7 @@ public Builder setNetwork(java.lang.String value) {
        * </pre>
        *
        * <code>
-       * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
        * </code>
        *
        * @return This builder for chaining.
@@ -1310,7 +1310,7 @@ public Builder clearNetwork() {
        *
        *
        * <pre>
-       * Required. The resource link for the VPC network in which cluster
+       * Optional. The resource link for the VPC network in which cluster
        * resources are created and from which they are accessible via Private IP.
        * The network must belong to the same project as the cluster. It is
        * specified in the form:
@@ -1319,7 +1319,7 @@ public Builder clearNetwork() {
        * </pre>
        *
        * <code>
-       * string network = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * string network = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
        * </code>
        *
        * @param value The bytes for network to set.
@@ -1346,8 +1346,8 @@ public Builder setNetworkBytes(com.google.protobuf.ByteString value) {
        * instance IPs for this cluster will be created in the allocated range. The
        * range name must comply with RFC 1035. Specifically, the name must be 1-63
        * characters long and match the regular expression
-       * [a-z]([-a-z0-9]*[a-z0-9])?.
-       * Field name is intended to be consistent with CloudSQL.
+       * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+       * Field name is intended to be consistent with Cloud SQL.
        * </pre>
        *
        * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1374,8 +1374,8 @@ public java.lang.String getAllocatedIpRange() {
        * instance IPs for this cluster will be created in the allocated range. The
        * range name must comply with RFC 1035. Specifically, the name must be 1-63
        * characters long and match the regular expression
-       * [a-z]([-a-z0-9]*[a-z0-9])?.
-       * Field name is intended to be consistent with CloudSQL.
+       * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+       * Field name is intended to be consistent with Cloud SQL.
        * </pre>
        *
        * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1402,8 +1402,8 @@ public com.google.protobuf.ByteString getAllocatedIpRangeBytes() {
        * instance IPs for this cluster will be created in the allocated range. The
        * range name must comply with RFC 1035. Specifically, the name must be 1-63
        * characters long and match the regular expression
-       * [a-z]([-a-z0-9]*[a-z0-9])?.
-       * Field name is intended to be consistent with CloudSQL.
+       * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+       * Field name is intended to be consistent with Cloud SQL.
        * </pre>
        *
        * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1429,8 +1429,8 @@ public Builder setAllocatedIpRange(java.lang.String value) {
        * instance IPs for this cluster will be created in the allocated range. The
        * range name must comply with RFC 1035. Specifically, the name must be 1-63
        * characters long and match the regular expression
-       * [a-z]([-a-z0-9]*[a-z0-9])?.
-       * Field name is intended to be consistent with CloudSQL.
+       * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+       * Field name is intended to be consistent with Cloud SQL.
        * </pre>
        *
        * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1452,8 +1452,8 @@ public Builder clearAllocatedIpRange() {
        * instance IPs for this cluster will be created in the allocated range. The
        * range name must comply with RFC 1035. Specifically, the name must be 1-63
        * characters long and match the regular expression
-       * [a-z]([-a-z0-9]*[a-z0-9])?.
-       * Field name is intended to be consistent with CloudSQL.
+       * `[a-z]([-a-z0-9]*[a-z0-9])?`.
+       * Field name is intended to be consistent with Cloud SQL.
        * </pre>
        *
        * <code>string allocated_ip_range = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -3010,6 +3010,550 @@ public com.google.cloud.alloydb.v1alpha.Cluster.PrimaryConfig getDefaultInstance
     }
   }
 
+  public interface PscConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Cluster.PscConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Create an instance that allows connections from Private Service
+     * Connect endpoints to the instance.
+     * </pre>
+     *
+     * <code>bool psc_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pscEnabled.
+     */
+    boolean getPscEnabled();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * PscConfig contains PSC related configuration at a cluster level.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.Cluster.PscConfig}
+   */
+  public static final class PscConfig extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Cluster.PscConfig)
+      PscConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use PscConfig.newBuilder() to construct.
+    private PscConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+
+    private PscConfig() {}
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+      return new PscConfig();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.class,
+              com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder.class);
+    }
+
+    public static final int PSC_ENABLED_FIELD_NUMBER = 1;
+    private boolean pscEnabled_ = false;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Create an instance that allows connections from Private Service
+     * Connect endpoints to the instance.
+     * </pre>
+     *
+     * <code>bool psc_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pscEnabled.
+     */
+    @java.lang.Override
+    public boolean getPscEnabled() {
+      return pscEnabled_;
+    }
+
+    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 (pscEnabled_ != false) {
+        output.writeBool(1, pscEnabled_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (pscEnabled_ != false) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, pscEnabled_);
+      }
+      size += getUnknownFields().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.alloydb.v1alpha.Cluster.PscConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.alloydb.v1alpha.Cluster.PscConfig other =
+          (com.google.cloud.alloydb.v1alpha.Cluster.PscConfig) obj;
+
+      if (getPscEnabled() != other.getPscEnabled()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) 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) + PSC_ENABLED_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getPscEnabled());
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig 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.alloydb.v1alpha.Cluster.PscConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig 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.alloydb.v1alpha.Cluster.PscConfig parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig 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.alloydb.v1alpha.Cluster.PscConfig parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig 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.alloydb.v1alpha.Cluster.PscConfig parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig 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.alloydb.v1alpha.Cluster.PscConfig 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>
+     * PscConfig contains PSC related configuration at a cluster level.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.alloydb.v1alpha.Cluster.PscConfig}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Cluster.PscConfig)
+        com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.class,
+                com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder.class);
+      }
+
+      // Construct using com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        pscEnabled_ = false;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getDefaultInstanceForType() {
+        return com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig build() {
+        com.google.cloud.alloydb.v1alpha.Cluster.PscConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig buildPartial() {
+        com.google.cloud.alloydb.v1alpha.Cluster.PscConfig result =
+            new com.google.cloud.alloydb.v1alpha.Cluster.PscConfig(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(com.google.cloud.alloydb.v1alpha.Cluster.PscConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.pscEnabled_ = pscEnabled_;
+        }
+      }
+
+      @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.alloydb.v1alpha.Cluster.PscConfig) {
+          return mergeFrom((com.google.cloud.alloydb.v1alpha.Cluster.PscConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Cluster.PscConfig other) {
+        if (other == com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance())
+          return this;
+        if (other.getPscEnabled() != false) {
+          setPscEnabled(other.getPscEnabled());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        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 {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  pscEnabled_ = input.readBool();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private boolean pscEnabled_;
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Create an instance that allows connections from Private Service
+       * Connect endpoints to the instance.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The pscEnabled.
+       */
+      @java.lang.Override
+      public boolean getPscEnabled() {
+        return pscEnabled_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Create an instance that allows connections from Private Service
+       * Connect endpoints to the instance.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The pscEnabled to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPscEnabled(boolean value) {
+
+        pscEnabled_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Create an instance that allows connections from Private Service
+       * Connect endpoints to the instance.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearPscEnabled() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        pscEnabled_ = 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.alloydb.v1alpha.Cluster.PscConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Cluster.PscConfig)
+    private static final com.google.cloud.alloydb.v1alpha.Cluster.PscConfig DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.Cluster.PscConfig();
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<PscConfig> PARSER =
+        new com.google.protobuf.AbstractParser<PscConfig>() {
+          @java.lang.Override
+          public PscConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<PscConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<PscConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
   private int sourceCase_ = 0;
 
   @SuppressWarnings("serial")
@@ -3777,7 +4321,7 @@ public com.google.cloud.alloydb.v1alpha.Cluster.NetworkConfig getNetworkConfig()
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=554
    * @return The network.
    */
   @java.lang.Override
@@ -3809,7 +4353,7 @@ public java.lang.String getNetwork() {
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=554
    * @return The bytes for network.
    */
   @java.lang.Override
@@ -4150,7 +4694,7 @@ public com.google.cloud.alloydb.v1alpha.AutomatedBackupPolicy getAutomatedBackup
    * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=589
    * @return Whether the sslConfig field is set.
    */
   @java.lang.Override
@@ -4168,7 +4712,7 @@ public boolean hasSslConfig() {
    * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=589
    * @return The sslConfig.
    */
   @java.lang.Override
@@ -4541,16 +5085,34 @@ public com.google.cloud.alloydb.v1alpha.Cluster.PrimaryConfig getPrimaryConfig()
         : primaryConfig_;
   }
 
+  public static final int SATISFIES_PZI_FIELD_NUMBER = 33;
+  private boolean satisfiesPzi_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzi = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  @java.lang.Override
+  public boolean getSatisfiesPzi() {
+    return satisfiesPzi_;
+  }
+
   public static final int SATISFIES_PZS_FIELD_NUMBER = 30;
   private boolean satisfiesPzs_ = false;
   /**
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 30;</code>
+   * <code>bool satisfies_pzs = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
@@ -4559,6 +5121,65 @@ public boolean getSatisfiesPzs() {
     return satisfiesPzs_;
   }
 
+  public static final int PSC_CONFIG_FIELD_NUMBER = 31;
+  private com.google.cloud.alloydb.v1alpha.Cluster.PscConfig pscConfig_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pscConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasPscConfig() {
+    return pscConfig_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pscConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getPscConfig() {
+    return pscConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance()
+        : pscConfig_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder getPscConfigOrBuilder() {
+    return pscConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance()
+        : pscConfig_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -4656,6 +5277,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (satisfiesPzs_ != false) {
       output.writeBool(30, satisfiesPzs_);
     }
+    if (pscConfig_ != null) {
+      output.writeMessage(31, getPscConfig());
+    }
+    if (satisfiesPzi_ != false) {
+      output.writeBool(33, satisfiesPzi_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -4771,6 +5398,12 @@ public int getSerializedSize() {
     if (satisfiesPzs_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(30, satisfiesPzs_);
     }
+    if (pscConfig_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(31, getPscConfig());
+    }
+    if (satisfiesPzi_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(33, satisfiesPzi_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -4849,7 +5482,12 @@ public boolean equals(final java.lang.Object obj) {
     if (hasPrimaryConfig()) {
       if (!getPrimaryConfig().equals(other.getPrimaryConfig())) return false;
     }
+    if (getSatisfiesPzi() != other.getSatisfiesPzi()) return false;
     if (getSatisfiesPzs() != other.getSatisfiesPzs()) return false;
+    if (hasPscConfig() != other.hasPscConfig()) return false;
+    if (hasPscConfig()) {
+      if (!getPscConfig().equals(other.getPscConfig())) return false;
+    }
     if (!getSourceCase().equals(other.getSourceCase())) return false;
     switch (sourceCase_) {
       case 15:
@@ -4950,8 +5588,14 @@ public int hashCode() {
       hash = (37 * hash) + PRIMARY_CONFIG_FIELD_NUMBER;
       hash = (53 * hash) + getPrimaryConfig().hashCode();
     }
+    hash = (37 * hash) + SATISFIES_PZI_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzi());
     hash = (37 * hash) + SATISFIES_PZS_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzs());
+    if (hasPscConfig()) {
+      hash = (37 * hash) + PSC_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getPscConfig().hashCode();
+    }
     switch (sourceCase_) {
       case 15:
         hash = (37 * hash) + BACKUP_SOURCE_FIELD_NUMBER;
@@ -5211,7 +5855,13 @@ public Builder clear() {
         primaryConfigBuilder_.dispose();
         primaryConfigBuilder_ = null;
       }
+      satisfiesPzi_ = false;
       satisfiesPzs_ = false;
+      pscConfig_ = null;
+      if (pscConfigBuilder_ != null) {
+        pscConfigBuilder_.dispose();
+        pscConfigBuilder_ = null;
+      }
       sourceCase_ = 0;
       source_ = null;
       return this;
@@ -5341,8 +5991,14 @@ private void buildPartial0(com.google.cloud.alloydb.v1alpha.Cluster result) {
             primaryConfigBuilder_ == null ? primaryConfig_ : primaryConfigBuilder_.build();
       }
       if (((from_bitField0_ & 0x04000000) != 0)) {
+        result.satisfiesPzi_ = satisfiesPzi_;
+      }
+      if (((from_bitField0_ & 0x08000000) != 0)) {
         result.satisfiesPzs_ = satisfiesPzs_;
       }
+      if (((from_bitField0_ & 0x10000000) != 0)) {
+        result.pscConfig_ = pscConfigBuilder_ == null ? pscConfig_ : pscConfigBuilder_.build();
+      }
     }
 
     private void buildPartialOneofs(com.google.cloud.alloydb.v1alpha.Cluster result) {
@@ -5481,9 +6137,15 @@ public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Cluster other) {
       if (other.hasPrimaryConfig()) {
         mergePrimaryConfig(other.getPrimaryConfig());
       }
+      if (other.getSatisfiesPzi() != false) {
+        setSatisfiesPzi(other.getSatisfiesPzi());
+      }
       if (other.getSatisfiesPzs() != false) {
         setSatisfiesPzs(other.getSatisfiesPzs());
       }
+      if (other.hasPscConfig()) {
+        mergePscConfig(other.getPscConfig());
+      }
       switch (other.getSourceCase()) {
         case BACKUP_SOURCE:
           {
@@ -5701,9 +6363,21 @@ public Builder mergeFrom(
             case 240:
               {
                 satisfiesPzs_ = input.readBool();
-                bitField0_ |= 0x04000000;
+                bitField0_ |= 0x08000000;
                 break;
               } // case 240
+            case 250:
+              {
+                input.readMessage(getPscConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x10000000;
+                break;
+              } // case 250
+            case 264:
+              {
+                satisfiesPzi_ = input.readBool();
+                bitField0_ |= 0x04000000;
+                break;
+              } // case 264
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -7808,7 +8482,7 @@ public Builder clearNetworkConfig() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=554
      * @return The network.
      */
     @java.lang.Deprecated
@@ -7839,7 +8513,7 @@ public java.lang.String getNetwork() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=554
      * @return The bytes for network.
      */
     @java.lang.Deprecated
@@ -7870,7 +8544,7 @@ public com.google.protobuf.ByteString getNetworkBytes() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=554
      * @param value The network to set.
      * @return This builder for chaining.
      */
@@ -7900,7 +8574,7 @@ public Builder setNetwork(java.lang.String value) {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=554
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -7926,7 +8600,7 @@ public Builder clearNetwork() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=554
      * @param value The bytes for network to set.
      * @return This builder for chaining.
      */
@@ -8772,7 +9446,7 @@ public Builder clearAutomatedBackupPolicy() {
      * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=589
      * @return Whether the sslConfig field is set.
      */
     @java.lang.Deprecated
@@ -8789,7 +9463,7 @@ public boolean hasSslConfig() {
      * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-     *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+     *     google/cloud/alloydb/v1alpha/resources.proto;l=589
      * @return The sslConfig.
      */
     @java.lang.Deprecated
@@ -10204,15 +10878,68 @@ public Builder clearPrimaryConfig() {
       return primaryConfigBuilder_;
     }
 
+    private boolean satisfiesPzi_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The satisfiesPzi.
+     */
+    @java.lang.Override
+    public boolean getSatisfiesPzi() {
+      return satisfiesPzi_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The satisfiesPzi to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSatisfiesPzi(boolean value) {
+
+      satisfiesPzi_ = value;
+      bitField0_ |= 0x04000000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Reserved for future use.
+     * </pre>
+     *
+     * <code>bool satisfies_pzi = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSatisfiesPzi() {
+      bitField0_ = (bitField0_ & ~0x04000000);
+      satisfiesPzi_ = false;
+      onChanged();
+      return this;
+    }
+
     private boolean satisfiesPzs_;
     /**
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 30;</code>
+     * <code>bool satisfies_pzs = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @return The satisfiesPzs.
      */
@@ -10224,10 +10951,10 @@ public boolean getSatisfiesPzs() {
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 30;</code>
+     * <code>bool satisfies_pzs = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @param value The satisfiesPzs to set.
      * @return This builder for chaining.
@@ -10235,7 +10962,7 @@ public boolean getSatisfiesPzs() {
     public Builder setSatisfiesPzs(boolean value) {
 
       satisfiesPzs_ = value;
-      bitField0_ |= 0x04000000;
+      bitField0_ |= 0x08000000;
       onChanged();
       return this;
     }
@@ -10243,20 +10970,232 @@ public Builder setSatisfiesPzs(boolean value) {
      *
      *
      * <pre>
-     * Reserved for future use.
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>bool satisfies_pzs = 30;</code>
+     * <code>bool satisfies_pzs = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @return This builder for chaining.
      */
     public Builder clearSatisfiesPzs() {
-      bitField0_ = (bitField0_ & ~0x04000000);
+      bitField0_ = (bitField0_ & ~0x08000000);
       satisfiesPzs_ = false;
       onChanged();
       return this;
     }
 
+    private com.google.cloud.alloydb.v1alpha.Cluster.PscConfig pscConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfig,
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder>
+        pscConfigBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the pscConfig field is set.
+     */
+    public boolean hasPscConfig() {
+      return ((bitField0_ & 0x10000000) != 0);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The pscConfig.
+     */
+    public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getPscConfig() {
+      if (pscConfigBuilder_ == null) {
+        return pscConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance()
+            : pscConfig_;
+      } else {
+        return pscConfigBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPscConfig(com.google.cloud.alloydb.v1alpha.Cluster.PscConfig value) {
+      if (pscConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        pscConfig_ = value;
+      } else {
+        pscConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x10000000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPscConfig(
+        com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder builderForValue) {
+      if (pscConfigBuilder_ == null) {
+        pscConfig_ = builderForValue.build();
+      } else {
+        pscConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x10000000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergePscConfig(com.google.cloud.alloydb.v1alpha.Cluster.PscConfig value) {
+      if (pscConfigBuilder_ == null) {
+        if (((bitField0_ & 0x10000000) != 0)
+            && pscConfig_ != null
+            && pscConfig_
+                != com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance()) {
+          getPscConfigBuilder().mergeFrom(value);
+        } else {
+          pscConfig_ = value;
+        }
+      } else {
+        pscConfigBuilder_.mergeFrom(value);
+      }
+      bitField0_ |= 0x10000000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearPscConfig() {
+      bitField0_ = (bitField0_ & ~0x10000000);
+      pscConfig_ = null;
+      if (pscConfigBuilder_ != null) {
+        pscConfigBuilder_.dispose();
+        pscConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder getPscConfigBuilder() {
+      bitField0_ |= 0x10000000;
+      onChanged();
+      return getPscConfigFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder getPscConfigOrBuilder() {
+      if (pscConfigBuilder_ != null) {
+        return pscConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return pscConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.getDefaultInstance()
+            : pscConfig_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * cluster.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfig,
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder>
+        getPscConfigFieldBuilder() {
+      if (pscConfigBuilder_ == null) {
+        pscConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Cluster.PscConfig,
+                com.google.cloud.alloydb.v1alpha.Cluster.PscConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder>(
+                getPscConfig(), getParentForChildren(), isClean());
+        pscConfig_ = null;
+      }
+      return pscConfigBuilder_;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ClusterOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ClusterOrBuilder.java
index 3ba02e0205e7..1bdf0371e8b9 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ClusterOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ClusterOrBuilder.java
@@ -502,7 +502,7 @@ java.lang.String getLabelsOrDefault(
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=554
    * @return The network.
    */
   @java.lang.Deprecated
@@ -523,7 +523,7 @@ java.lang.String getLabelsOrDefault(
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.network is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=546
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=554
    * @return The bytes for network.
    */
   @java.lang.Deprecated
@@ -747,7 +747,7 @@ java.lang.String getAnnotationsOrDefault(
    * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=589
    * @return Whether the sslConfig field is set.
    */
   @java.lang.Deprecated
@@ -762,7 +762,7 @@ java.lang.String getAnnotationsOrDefault(
    * <code>.google.cloud.alloydb.v1alpha.SslConfig ssl_config = 18 [deprecated = true];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.Cluster.ssl_config is deprecated. See
-   *     google/cloud/alloydb/v1alpha/resources.proto;l=581
+   *     google/cloud/alloydb/v1alpha/resources.proto;l=589
    * @return The sslConfig.
    */
   @java.lang.Deprecated
@@ -1036,14 +1036,71 @@ java.lang.String getAnnotationsOrDefault(
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 30;</code>
+   * <code>bool satisfies_pzi = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  boolean getSatisfiesPzi();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzs = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
   boolean getSatisfiesPzs();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pscConfig field is set.
+   */
+  boolean hasPscConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pscConfig.
+   */
+  com.google.cloud.alloydb.v1alpha.Cluster.PscConfig getPscConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * cluster.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Cluster.PscConfig psc_config = 31 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.alloydb.v1alpha.Cluster.PscConfigOrBuilder getPscConfigOrBuilder();
+
   com.google.cloud.alloydb.v1alpha.Cluster.SourceCase getSourceCase();
 }
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfo.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfo.java
index 2112e855be77..995be654a16e 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfo.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfo.java
@@ -41,6 +41,7 @@ private ConnectionInfo(com.google.protobuf.GeneratedMessageV3.Builder<?> builder
   private ConnectionInfo() {
     name_ = "";
     ipAddress_ = "";
+    publicIpAddress_ = "";
     pemCertificateChain_ = com.google.protobuf.LazyStringArrayList.emptyList();
     instanceUid_ = "";
   }
@@ -176,6 +177,65 @@ public com.google.protobuf.ByteString getIpAddressBytes() {
     }
   }
 
+  public static final int PUBLIC_IP_ADDRESS_FIELD_NUMBER = 5;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object publicIpAddress_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The public IP addresses for the Instance. This is available
+   * ONLY when enable_public_ip is set. This is the connection endpoint for an
+   * end-user application.
+   * </pre>
+   *
+   * <code>
+   * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+   * </code>
+   *
+   * @return The publicIpAddress.
+   */
+  @java.lang.Override
+  public java.lang.String getPublicIpAddress() {
+    java.lang.Object ref = publicIpAddress_;
+    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();
+      publicIpAddress_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The public IP addresses for the Instance. This is available
+   * ONLY when enable_public_ip is set. This is the connection endpoint for an
+   * end-user application.
+   * </pre>
+   *
+   * <code>
+   * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+   * </code>
+   *
+   * @return The bytes for publicIpAddress.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getPublicIpAddressBytes() {
+    java.lang.Object ref = publicIpAddress_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      publicIpAddress_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   public static final int PEM_CERTIFICATE_CHAIN_FIELD_NUMBER = 3;
 
   @SuppressWarnings("serial")
@@ -194,7 +254,7 @@ public com.google.protobuf.ByteString getIpAddressBytes() {
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @return A list containing the pemCertificateChain.
    */
   @java.lang.Deprecated
@@ -214,7 +274,7 @@ public com.google.protobuf.ProtocolStringList getPemCertificateChainList() {
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @return The count of pemCertificateChain.
    */
   @java.lang.Deprecated
@@ -234,7 +294,7 @@ public int getPemCertificateChainCount() {
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @param index The index of the element to return.
    * @return The pemCertificateChain at the given index.
    */
@@ -255,7 +315,7 @@ public java.lang.String getPemCertificateChain(int index) {
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @param index The index of the value to return.
    * @return The bytes of the pemCertificateChain at the given index.
    */
@@ -341,6 +401,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(instanceUid_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 4, instanceUid_);
     }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(publicIpAddress_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, publicIpAddress_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -367,6 +430,9 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(instanceUid_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, instanceUid_);
     }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(publicIpAddress_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, publicIpAddress_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -385,6 +451,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getName().equals(other.getName())) return false;
     if (!getIpAddress().equals(other.getIpAddress())) return false;
+    if (!getPublicIpAddress().equals(other.getPublicIpAddress())) return false;
     if (!getPemCertificateChainList().equals(other.getPemCertificateChainList())) return false;
     if (!getInstanceUid().equals(other.getInstanceUid())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
@@ -402,6 +469,8 @@ public int hashCode() {
     hash = (53 * hash) + getName().hashCode();
     hash = (37 * hash) + IP_ADDRESS_FIELD_NUMBER;
     hash = (53 * hash) + getIpAddress().hashCode();
+    hash = (37 * hash) + PUBLIC_IP_ADDRESS_FIELD_NUMBER;
+    hash = (53 * hash) + getPublicIpAddress().hashCode();
     if (getPemCertificateChainCount() > 0) {
       hash = (37 * hash) + PEM_CERTIFICATE_CHAIN_FIELD_NUMBER;
       hash = (53 * hash) + getPemCertificateChainList().hashCode();
@@ -550,6 +619,7 @@ public Builder clear() {
       bitField0_ = 0;
       name_ = "";
       ipAddress_ = "";
+      publicIpAddress_ = "";
       pemCertificateChain_ = com.google.protobuf.LazyStringArrayList.emptyList();
       instanceUid_ = "";
       return this;
@@ -595,10 +665,13 @@ private void buildPartial0(com.google.cloud.alloydb.v1alpha.ConnectionInfo resul
         result.ipAddress_ = ipAddress_;
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.publicIpAddress_ = publicIpAddress_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
         pemCertificateChain_.makeImmutable();
         result.pemCertificateChain_ = pemCertificateChain_;
       }
-      if (((from_bitField0_ & 0x00000008) != 0)) {
+      if (((from_bitField0_ & 0x00000010) != 0)) {
         result.instanceUid_ = instanceUid_;
       }
     }
@@ -659,10 +732,15 @@ public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.ConnectionInfo other)
         bitField0_ |= 0x00000002;
         onChanged();
       }
+      if (!other.getPublicIpAddress().isEmpty()) {
+        publicIpAddress_ = other.publicIpAddress_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
       if (!other.pemCertificateChain_.isEmpty()) {
         if (pemCertificateChain_.isEmpty()) {
           pemCertificateChain_ = other.pemCertificateChain_;
-          bitField0_ |= 0x00000004;
+          bitField0_ |= 0x00000008;
         } else {
           ensurePemCertificateChainIsMutable();
           pemCertificateChain_.addAll(other.pemCertificateChain_);
@@ -671,7 +749,7 @@ public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.ConnectionInfo other)
       }
       if (!other.getInstanceUid().isEmpty()) {
         instanceUid_ = other.instanceUid_;
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         onChanged();
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -722,9 +800,15 @@ public Builder mergeFrom(
             case 34:
               {
                 instanceUid_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
+                bitField0_ |= 0x00000010;
                 break;
               } // case 34
+            case 42:
+              {
+                publicIpAddress_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 42
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -976,6 +1060,132 @@ public Builder setIpAddressBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object publicIpAddress_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The public IP addresses for the Instance. This is available
+     * ONLY when enable_public_ip is set. This is the connection endpoint for an
+     * end-user application.
+     * </pre>
+     *
+     * <code>
+     * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+     * </code>
+     *
+     * @return The publicIpAddress.
+     */
+    public java.lang.String getPublicIpAddress() {
+      java.lang.Object ref = publicIpAddress_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        publicIpAddress_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The public IP addresses for the Instance. This is available
+     * ONLY when enable_public_ip is set. This is the connection endpoint for an
+     * end-user application.
+     * </pre>
+     *
+     * <code>
+     * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+     * </code>
+     *
+     * @return The bytes for publicIpAddress.
+     */
+    public com.google.protobuf.ByteString getPublicIpAddressBytes() {
+      java.lang.Object ref = publicIpAddress_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        publicIpAddress_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The public IP addresses for the Instance. This is available
+     * ONLY when enable_public_ip is set. This is the connection endpoint for an
+     * end-user application.
+     * </pre>
+     *
+     * <code>
+     * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+     * </code>
+     *
+     * @param value The publicIpAddress to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPublicIpAddress(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      publicIpAddress_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The public IP addresses for the Instance. This is available
+     * ONLY when enable_public_ip is set. This is the connection endpoint for an
+     * end-user application.
+     * </pre>
+     *
+     * <code>
+     * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPublicIpAddress() {
+      publicIpAddress_ = getDefaultInstance().getPublicIpAddress();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The public IP addresses for the Instance. This is available
+     * ONLY when enable_public_ip is set. This is the connection endpoint for an
+     * end-user application.
+     * </pre>
+     *
+     * <code>
+     * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+     * </code>
+     *
+     * @param value The bytes for publicIpAddress to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPublicIpAddressBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      publicIpAddress_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
     private com.google.protobuf.LazyStringArrayList pemCertificateChain_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
 
@@ -983,7 +1193,7 @@ private void ensurePemCertificateChainIsMutable() {
       if (!pemCertificateChain_.isModifiable()) {
         pemCertificateChain_ = new com.google.protobuf.LazyStringArrayList(pemCertificateChain_);
       }
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
     }
     /**
      *
@@ -998,7 +1208,7 @@ private void ensurePemCertificateChainIsMutable() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @return A list containing the pemCertificateChain.
      */
     @java.lang.Deprecated
@@ -1019,7 +1229,7 @@ public com.google.protobuf.ProtocolStringList getPemCertificateChainList() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @return The count of pemCertificateChain.
      */
     @java.lang.Deprecated
@@ -1039,7 +1249,7 @@ public int getPemCertificateChainCount() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param index The index of the element to return.
      * @return The pemCertificateChain at the given index.
      */
@@ -1060,7 +1270,7 @@ public java.lang.String getPemCertificateChain(int index) {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param index The index of the value to return.
      * @return The bytes of the pemCertificateChain at the given index.
      */
@@ -1081,7 +1291,7 @@ public com.google.protobuf.ByteString getPemCertificateChainBytes(int index) {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param index The index to set the value at.
      * @param value The pemCertificateChain to set.
      * @return This builder for chaining.
@@ -1093,7 +1303,7 @@ public Builder setPemCertificateChain(int index, java.lang.String value) {
       }
       ensurePemCertificateChainIsMutable();
       pemCertificateChain_.set(index, value);
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1110,7 +1320,7 @@ public Builder setPemCertificateChain(int index, java.lang.String value) {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param value The pemCertificateChain to add.
      * @return This builder for chaining.
      */
@@ -1121,7 +1331,7 @@ public Builder addPemCertificateChain(java.lang.String value) {
       }
       ensurePemCertificateChainIsMutable();
       pemCertificateChain_.add(value);
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1138,7 +1348,7 @@ public Builder addPemCertificateChain(java.lang.String value) {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param values The pemCertificateChain to add.
      * @return This builder for chaining.
      */
@@ -1146,7 +1356,7 @@ public Builder addPemCertificateChain(java.lang.String value) {
     public Builder addAllPemCertificateChain(java.lang.Iterable<java.lang.String> values) {
       ensurePemCertificateChainIsMutable();
       com.google.protobuf.AbstractMessageLite.Builder.addAll(values, pemCertificateChain_);
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1163,13 +1373,13 @@ public Builder addAllPemCertificateChain(java.lang.Iterable<java.lang.String> va
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
     public Builder clearPemCertificateChain() {
       pemCertificateChain_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000004);
+      bitField0_ = (bitField0_ & ~0x00000008);
       ;
       onChanged();
       return this;
@@ -1187,7 +1397,7 @@ public Builder clearPemCertificateChain() {
      * </code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-     *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+     *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
      * @param value The bytes of the pemCertificateChain to add.
      * @return This builder for chaining.
      */
@@ -1199,7 +1409,7 @@ public Builder addPemCertificateChainBytes(com.google.protobuf.ByteString value)
       checkByteStringIsUtf8(value);
       ensurePemCertificateChainIsMutable();
       pemCertificateChain_.add(value);
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1266,7 +1476,7 @@ public Builder setInstanceUid(java.lang.String value) {
         throw new NullPointerException();
       }
       instanceUid_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1283,7 +1493,7 @@ public Builder setInstanceUid(java.lang.String value) {
      */
     public Builder clearInstanceUid() {
       instanceUid_ = getDefaultInstance().getInstanceUid();
-      bitField0_ = (bitField0_ & ~0x00000008);
+      bitField0_ = (bitField0_ & ~0x00000010);
       onChanged();
       return this;
     }
@@ -1305,7 +1515,7 @@ public Builder setInstanceUidBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       instanceUid_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfoOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfoOrBuilder.java
index 16a8d2c2475e..3cfcc71ea620 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfoOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ConnectionInfoOrBuilder.java
@@ -81,6 +81,39 @@ public interface ConnectionInfoOrBuilder
    */
   com.google.protobuf.ByteString getIpAddressBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The public IP addresses for the Instance. This is available
+   * ONLY when enable_public_ip is set. This is the connection endpoint for an
+   * end-user application.
+   * </pre>
+   *
+   * <code>
+   * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+   * </code>
+   *
+   * @return The publicIpAddress.
+   */
+  java.lang.String getPublicIpAddress();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The public IP addresses for the Instance. This is available
+   * ONLY when enable_public_ip is set. This is the connection endpoint for an
+   * end-user application.
+   * </pre>
+   *
+   * <code>
+   * string public_ip_address = 5 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
+   * </code>
+   *
+   * @return The bytes for publicIpAddress.
+   */
+  com.google.protobuf.ByteString getPublicIpAddressBytes();
+
   /**
    *
    *
@@ -94,7 +127,7 @@ public interface ConnectionInfoOrBuilder
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @return A list containing the pemCertificateChain.
    */
   @java.lang.Deprecated
@@ -112,7 +145,7 @@ public interface ConnectionInfoOrBuilder
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @return The count of pemCertificateChain.
    */
   @java.lang.Deprecated
@@ -130,7 +163,7 @@ public interface ConnectionInfoOrBuilder
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @param index The index of the element to return.
    * @return The pemCertificateChain at the given index.
    */
@@ -149,7 +182,7 @@ public interface ConnectionInfoOrBuilder
    * </code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.ConnectionInfo.pem_certificate_chain is deprecated.
-   *     See google/cloud/alloydb/v1alpha/resources.proto;l=918
+   *     See google/cloud/alloydb/v1alpha/resources.proto;l=1027
    * @param index The index of the value to return.
    * @return The bytes of the pemCertificateChain at the given index.
    */
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Database.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Database.java
new file mode 100644
index 000000000000..94a216e5a149
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Database.java
@@ -0,0 +1,1022 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/resources.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+/**
+ *
+ *
+ * <pre>
+ * Message describing Database object.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.alloydb.v1alpha.Database}
+ */
+public final class Database extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Database)
+    DatabaseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use Database.newBuilder() to construct.
+  private Database(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private Database() {
+    name_ = "";
+    charset_ = "";
+    collation_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new Database();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.alloydb.v1alpha.ResourcesProto
+        .internal_static_google_cloud_alloydb_v1alpha_Database_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.alloydb.v1alpha.ResourcesProto
+        .internal_static_google_cloud_alloydb_v1alpha_Database_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.alloydb.v1alpha.Database.class,
+            com.google.cloud.alloydb.v1alpha.Database.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Name of the resource in the form of
+   * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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>
+   * Identifier. Name of the resource in the form of
+   * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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 CHARSET_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object charset_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Charset for the database.
+   * This field can contain any PostgreSQL supported charset name.
+   * Example values include "UTF8", "SQL_ASCII", etc.
+   * </pre>
+   *
+   * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The charset.
+   */
+  @java.lang.Override
+  public java.lang.String getCharset() {
+    java.lang.Object ref = charset_;
+    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();
+      charset_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Charset for the database.
+   * This field can contain any PostgreSQL supported charset name.
+   * Example values include "UTF8", "SQL_ASCII", etc.
+   * </pre>
+   *
+   * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for charset.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCharsetBytes() {
+    java.lang.Object ref = charset_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      charset_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int COLLATION_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object collation_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Collation for the database.
+   * Name of the custom or native collation for postgres.
+   * Example values include "C", "POSIX", etc
+   * </pre>
+   *
+   * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The collation.
+   */
+  @java.lang.Override
+  public java.lang.String getCollation() {
+    java.lang.Object ref = collation_;
+    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();
+      collation_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Collation for the database.
+   * Name of the custom or native collation for postgres.
+   * Example values include "C", "POSIX", etc
+   * </pre>
+   *
+   * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for collation.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCollationBytes() {
+    java.lang.Object ref = collation_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      collation_ = 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 (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(charset_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, charset_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(collation_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, collation_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(charset_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, charset_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(collation_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, collation_);
+    }
+    size += getUnknownFields().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.alloydb.v1alpha.Database)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.alloydb.v1alpha.Database other =
+        (com.google.cloud.alloydb.v1alpha.Database) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getCharset().equals(other.getCharset())) return false;
+    if (!getCollation().equals(other.getCollation())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) 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) + CHARSET_FIELD_NUMBER;
+    hash = (53 * hash) + getCharset().hashCode();
+    hash = (37 * hash) + COLLATION_FIELD_NUMBER;
+    hash = (53 * hash) + getCollation().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database 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.alloydb.v1alpha.Database parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database 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.alloydb.v1alpha.Database parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database 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.alloydb.v1alpha.Database parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database 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.alloydb.v1alpha.Database parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database 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.alloydb.v1alpha.Database 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>
+   * Message describing Database object.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.Database}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Database)
+      com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Database_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Database_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.Database.class,
+              com.google.cloud.alloydb.v1alpha.Database.Builder.class);
+    }
+
+    // Construct using com.google.cloud.alloydb.v1alpha.Database.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      charset_ = "";
+      collation_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Database_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Database getDefaultInstanceForType() {
+      return com.google.cloud.alloydb.v1alpha.Database.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Database build() {
+      com.google.cloud.alloydb.v1alpha.Database result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Database buildPartial() {
+      com.google.cloud.alloydb.v1alpha.Database result =
+          new com.google.cloud.alloydb.v1alpha.Database(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.alloydb.v1alpha.Database result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.charset_ = charset_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.collation_ = collation_;
+      }
+    }
+
+    @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.alloydb.v1alpha.Database) {
+        return mergeFrom((com.google.cloud.alloydb.v1alpha.Database) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Database other) {
+      if (other == com.google.cloud.alloydb.v1alpha.Database.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getCharset().isEmpty()) {
+        charset_ = other.charset_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (!other.getCollation().isEmpty()) {
+        collation_ = other.collation_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      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 {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                charset_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                collation_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Name of the resource in the form of
+     * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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>
+     * Identifier. Name of the resource in the form of
+     * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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>
+     * Identifier. Name of the resource in the form of
+     * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Name of the resource in the form of
+     * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Name of the resource in the form of
+     * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object charset_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Charset for the database.
+     * This field can contain any PostgreSQL supported charset name.
+     * Example values include "UTF8", "SQL_ASCII", etc.
+     * </pre>
+     *
+     * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The charset.
+     */
+    public java.lang.String getCharset() {
+      java.lang.Object ref = charset_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        charset_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Charset for the database.
+     * This field can contain any PostgreSQL supported charset name.
+     * Example values include "UTF8", "SQL_ASCII", etc.
+     * </pre>
+     *
+     * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for charset.
+     */
+    public com.google.protobuf.ByteString getCharsetBytes() {
+      java.lang.Object ref = charset_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        charset_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Charset for the database.
+     * This field can contain any PostgreSQL supported charset name.
+     * Example values include "UTF8", "SQL_ASCII", etc.
+     * </pre>
+     *
+     * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The charset to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCharset(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      charset_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Charset for the database.
+     * This field can contain any PostgreSQL supported charset name.
+     * Example values include "UTF8", "SQL_ASCII", etc.
+     * </pre>
+     *
+     * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCharset() {
+      charset_ = getDefaultInstance().getCharset();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Charset for the database.
+     * This field can contain any PostgreSQL supported charset name.
+     * Example values include "UTF8", "SQL_ASCII", etc.
+     * </pre>
+     *
+     * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for charset to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCharsetBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      charset_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object collation_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Collation for the database.
+     * Name of the custom or native collation for postgres.
+     * Example values include "C", "POSIX", etc
+     * </pre>
+     *
+     * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The collation.
+     */
+    public java.lang.String getCollation() {
+      java.lang.Object ref = collation_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        collation_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Collation for the database.
+     * Name of the custom or native collation for postgres.
+     * Example values include "C", "POSIX", etc
+     * </pre>
+     *
+     * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for collation.
+     */
+    public com.google.protobuf.ByteString getCollationBytes() {
+      java.lang.Object ref = collation_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        collation_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Collation for the database.
+     * Name of the custom or native collation for postgres.
+     * Example values include "C", "POSIX", etc
+     * </pre>
+     *
+     * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The collation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCollation(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      collation_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Collation for the database.
+     * Name of the custom or native collation for postgres.
+     * Example values include "C", "POSIX", etc
+     * </pre>
+     *
+     * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCollation() {
+      collation_ = getDefaultInstance().getCollation();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Collation for the database.
+     * Name of the custom or native collation for postgres.
+     * Example values include "C", "POSIX", etc
+     * </pre>
+     *
+     * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for collation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCollationBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      collation_ = value;
+      bitField0_ |= 0x00000004;
+      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.alloydb.v1alpha.Database)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Database)
+  private static final com.google.cloud.alloydb.v1alpha.Database DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.Database();
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.Database getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<Database> PARSER =
+      new com.google.protobuf.AbstractParser<Database>() {
+        @java.lang.Override
+        public Database parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<Database> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<Database> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Database getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseName.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseName.java
new file mode 100644
index 000000000000..ee7e22409fd9
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseName.java
@@ -0,0 +1,259 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class DatabaseName implements ResourceName {
+  private static final PathTemplate PROJECT_LOCATION_CLUSTER_DATABASE =
+      PathTemplate.createWithoutUrlEncoding(
+          "projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String location;
+  private final String cluster;
+  private final String database;
+
+  @Deprecated
+  protected DatabaseName() {
+    project = null;
+    location = null;
+    cluster = null;
+    database = null;
+  }
+
+  private DatabaseName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    location = Preconditions.checkNotNull(builder.getLocation());
+    cluster = Preconditions.checkNotNull(builder.getCluster());
+    database = Preconditions.checkNotNull(builder.getDatabase());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getLocation() {
+    return location;
+  }
+
+  public String getCluster() {
+    return cluster;
+  }
+
+  public String getDatabase() {
+    return database;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static DatabaseName of(String project, String location, String cluster, String database) {
+    return newBuilder()
+        .setProject(project)
+        .setLocation(location)
+        .setCluster(cluster)
+        .setDatabase(database)
+        .build();
+  }
+
+  public static String format(String project, String location, String cluster, String database) {
+    return newBuilder()
+        .setProject(project)
+        .setLocation(location)
+        .setCluster(cluster)
+        .setDatabase(database)
+        .build()
+        .toString();
+  }
+
+  public static DatabaseName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_LOCATION_CLUSTER_DATABASE.validatedMatch(
+            formattedString, "DatabaseName.parse: formattedString not in valid format");
+    return of(
+        matchMap.get("project"),
+        matchMap.get("location"),
+        matchMap.get("cluster"),
+        matchMap.get("database"));
+  }
+
+  public static List<DatabaseName> parseList(List<String> formattedStrings) {
+    List<DatabaseName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<DatabaseName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (DatabaseName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_LOCATION_CLUSTER_DATABASE.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (location != null) {
+            fieldMapBuilder.put("location", location);
+          }
+          if (cluster != null) {
+            fieldMapBuilder.put("cluster", cluster);
+          }
+          if (database != null) {
+            fieldMapBuilder.put("database", database);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_LOCATION_CLUSTER_DATABASE.instantiate(
+        "project", project, "location", location, "cluster", cluster, "database", database);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null && getClass() == o.getClass()) {
+      DatabaseName that = ((DatabaseName) o);
+      return Objects.equals(this.project, that.project)
+          && Objects.equals(this.location, that.location)
+          && Objects.equals(this.cluster, that.cluster)
+          && Objects.equals(this.database, that.database);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(location);
+    h *= 1000003;
+    h ^= Objects.hashCode(cluster);
+    h *= 1000003;
+    h ^= Objects.hashCode(database);
+    return h;
+  }
+
+  /**
+   * Builder for projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+   */
+  public static class Builder {
+    private String project;
+    private String location;
+    private String cluster;
+    private String database;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getLocation() {
+      return location;
+    }
+
+    public String getCluster() {
+      return cluster;
+    }
+
+    public String getDatabase() {
+      return database;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setLocation(String location) {
+      this.location = location;
+      return this;
+    }
+
+    public Builder setCluster(String cluster) {
+      this.cluster = cluster;
+      return this;
+    }
+
+    public Builder setDatabase(String database) {
+      this.database = database;
+      return this;
+    }
+
+    private Builder(DatabaseName databaseName) {
+      this.project = databaseName.project;
+      this.location = databaseName.location;
+      this.cluster = databaseName.cluster;
+      this.database = databaseName.database;
+    }
+
+    public DatabaseName build() {
+      return new DatabaseName(this);
+    }
+  }
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseOrBuilder.java
new file mode 100644
index 000000000000..6cd5957e900d
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/DatabaseOrBuilder.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/resources.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+public interface DatabaseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Database)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Name of the resource in the form of
+   * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Name of the resource in the form of
+   * projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Charset for the database.
+   * This field can contain any PostgreSQL supported charset name.
+   * Example values include "UTF8", "SQL_ASCII", etc.
+   * </pre>
+   *
+   * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The charset.
+   */
+  java.lang.String getCharset();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Charset for the database.
+   * This field can contain any PostgreSQL supported charset name.
+   * Example values include "UTF8", "SQL_ASCII", etc.
+   * </pre>
+   *
+   * <code>string charset = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for charset.
+   */
+  com.google.protobuf.ByteString getCharsetBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Collation for the database.
+   * Name of the custom or native collation for postgres.
+   * Example values include "C", "POSIX", etc
+   * </pre>
+   *
+   * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The collation.
+   */
+  java.lang.String getCollation();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Collation for the database.
+   * Name of the custom or native collation for postgres.
+   * Example values include "C", "POSIX", etc
+   * </pre>
+   *
+   * <code>string collation = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for collation.
+   */
+  com.google.protobuf.ByteString getCollationBytes();
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequest.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequest.java
index 0a52fd008d3f..7fc3a3091c35 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequest.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequest.java
@@ -207,13 +207,14 @@ public com.google.protobuf.ByteString getRequestIdBytes() {
    *
    *
    * <pre>
-   * Optional. A pem-encoded X.509 certificate signing request (CSR).
+   * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+   * recommended to use public_key instead.
    * </pre>
    *
    * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
    * @return The pemCsr.
    */
   @java.lang.Override
@@ -233,13 +234,14 @@ public java.lang.String getPemCsr() {
    *
    *
    * <pre>
-   * Optional. A pem-encoded X.509 certificate signing request (CSR).
+   * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+   * recommended to use public_key instead.
    * </pre>
    *
    * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
    * @return The bytes for pemCsr.
    */
   @java.lang.Override
@@ -1160,13 +1162,14 @@ public Builder setRequestIdBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Optional. A pem-encoded X.509 certificate signing request (CSR).
+     * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+     * recommended to use public_key instead.
      * </pre>
      *
      * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
      * @return The pemCsr.
      */
     @java.lang.Deprecated
@@ -1185,13 +1188,14 @@ public java.lang.String getPemCsr() {
      *
      *
      * <pre>
-     * Optional. A pem-encoded X.509 certificate signing request (CSR).
+     * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+     * recommended to use public_key instead.
      * </pre>
      *
      * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
      * @return The bytes for pemCsr.
      */
     @java.lang.Deprecated
@@ -1210,13 +1214,14 @@ public com.google.protobuf.ByteString getPemCsrBytes() {
      *
      *
      * <pre>
-     * Optional. A pem-encoded X.509 certificate signing request (CSR).
+     * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+     * recommended to use public_key instead.
      * </pre>
      *
      * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
      * @param value The pemCsr to set.
      * @return This builder for chaining.
      */
@@ -1234,13 +1239,14 @@ public Builder setPemCsr(java.lang.String value) {
      *
      *
      * <pre>
-     * Optional. A pem-encoded X.509 certificate signing request (CSR).
+     * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+     * recommended to use public_key instead.
      * </pre>
      *
      * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -1254,13 +1260,14 @@ public Builder clearPemCsr() {
      *
      *
      * <pre>
-     * Optional. A pem-encoded X.509 certificate signing request (CSR).
+     * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+     * recommended to use public_key instead.
      * </pre>
      *
      * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
      * @param value The bytes for pemCsr to set.
      * @return This builder for chaining.
      */
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequestOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequestOrBuilder.java
index a1108ae9b9a7..9897225b56ca 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequestOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateRequestOrBuilder.java
@@ -107,13 +107,14 @@ public interface GenerateClientCertificateRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. A pem-encoded X.509 certificate signing request (CSR).
+   * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+   * recommended to use public_key instead.
    * </pre>
    *
    * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
    * @return The pemCsr.
    */
   @java.lang.Deprecated
@@ -122,13 +123,14 @@ public interface GenerateClientCertificateRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. A pem-encoded X.509 certificate signing request (CSR).
+   * Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+   * recommended to use public_key instead.
    * </pre>
    *
    * <code>string pem_csr = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateRequest.pem_csr is
-   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1351
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1360
    * @return The bytes for pemCsr.
    */
   @java.lang.Deprecated
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponse.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponse.java
index f6bf2f36464f..6e7292536c9f 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponse.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponse.java
@@ -76,11 +76,16 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * Output only. The pem-encoded, signed X.509 certificate.
    * </pre>
    *
-   * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   * <code>
+   * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    *
+   * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
    * @return The pemCertificate.
    */
   @java.lang.Override
+  @java.lang.Deprecated
   public java.lang.String getPemCertificate() {
     java.lang.Object ref = pemCertificate_;
     if (ref instanceof java.lang.String) {
@@ -99,11 +104,16 @@ public java.lang.String getPemCertificate() {
    * Output only. The pem-encoded, signed X.509 certificate.
    * </pre>
    *
-   * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   * <code>
+   * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    *
+   * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
    * @return The bytes for pemCertificate.
    */
   @java.lang.Override
+  @java.lang.Deprecated
   public com.google.protobuf.ByteString getPemCertificateBytes() {
     java.lang.Object ref = pemCertificate_;
     if (ref instanceof java.lang.String) {
@@ -660,10 +670,15 @@ public Builder mergeFrom(
      * Output only. The pem-encoded, signed X.509 certificate.
      * </pre>
      *
-     * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
+     * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
      * @return The pemCertificate.
      */
+    @java.lang.Deprecated
     public java.lang.String getPemCertificate() {
       java.lang.Object ref = pemCertificate_;
       if (!(ref instanceof java.lang.String)) {
@@ -682,10 +697,15 @@ public java.lang.String getPemCertificate() {
      * Output only. The pem-encoded, signed X.509 certificate.
      * </pre>
      *
-     * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
+     * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
      * @return The bytes for pemCertificate.
      */
+    @java.lang.Deprecated
     public com.google.protobuf.ByteString getPemCertificateBytes() {
       java.lang.Object ref = pemCertificate_;
       if (ref instanceof String) {
@@ -704,11 +724,16 @@ public com.google.protobuf.ByteString getPemCertificateBytes() {
      * Output only. The pem-encoded, signed X.509 certificate.
      * </pre>
      *
-     * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
+     * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
      * @param value The pemCertificate to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setPemCertificate(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
@@ -725,10 +750,15 @@ public Builder setPemCertificate(java.lang.String value) {
      * Output only. The pem-encoded, signed X.509 certificate.
      * </pre>
      *
-     * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
+     * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder clearPemCertificate() {
       pemCertificate_ = getDefaultInstance().getPemCertificate();
       bitField0_ = (bitField0_ & ~0x00000001);
@@ -742,11 +772,16 @@ public Builder clearPemCertificate() {
      * Output only. The pem-encoded, signed X.509 certificate.
      * </pre>
      *
-     * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
+     * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+     *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
      * @param value The bytes for pemCertificate to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setPemCertificateBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
         throw new NullPointerException();
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponseOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponseOrBuilder.java
index a5af059f09d7..0a31f3286f3b 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponseOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/GenerateClientCertificateResponseOrBuilder.java
@@ -30,10 +30,15 @@ public interface GenerateClientCertificateResponseOrBuilder
    * Output only. The pem-encoded, signed X.509 certificate.
    * </pre>
    *
-   * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   * <code>
+   * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    *
+   * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
    * @return The pemCertificate.
    */
+  @java.lang.Deprecated
   java.lang.String getPemCertificate();
   /**
    *
@@ -42,10 +47,15 @@ public interface GenerateClientCertificateResponseOrBuilder
    * Output only. The pem-encoded, signed X.509 certificate.
    * </pre>
    *
-   * <code>string pem_certificate = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   * <code>
+   * string pem_certificate = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    *
+   * @deprecated google.cloud.alloydb.v1alpha.GenerateClientCertificateResponse.pem_certificate is
+   *     deprecated. See google/cloud/alloydb/v1alpha/service.proto;l=1383
    * @return The bytes for pemCertificate.
    */
+  @java.lang.Deprecated
   com.google.protobuf.ByteString getPemCertificateBytes();
 
   /**
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Instance.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Instance.java
index 6235f3269740..d2487800125f 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Instance.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/Instance.java
@@ -5835,6 +5835,5672 @@ public com.google.protobuf.Parser<ClientConnectionConfig> getParserForType() {
     }
   }
 
+  public interface PscInterfaceConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @return A list containing the consumerEndpointIps.
+     */
+    java.util.List<java.lang.String> getConsumerEndpointIpsList();
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @return The count of consumerEndpointIps.
+     */
+    int getConsumerEndpointIpsCount();
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @param index The index of the element to return.
+     * @return The consumerEndpointIps at the given index.
+     */
+    java.lang.String getConsumerEndpointIps(int index);
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the consumerEndpointIps at the given index.
+     */
+    com.google.protobuf.ByteString getConsumerEndpointIpsBytes(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * The NetworkAttachment resource created in the consumer VPC to which the
+     * PSC interface will be linked, in the form of:
+     * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+     * NetworkAttachment has to be provided when the PSC interface is created.
+     * </pre>
+     *
+     * <code>string network_attachment = 2;</code>
+     *
+     * @return The networkAttachment.
+     */
+    java.lang.String getNetworkAttachment();
+    /**
+     *
+     *
+     * <pre>
+     * The NetworkAttachment resource created in the consumer VPC to which the
+     * PSC interface will be linked, in the form of:
+     * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+     * NetworkAttachment has to be provided when the PSC interface is created.
+     * </pre>
+     *
+     * <code>string network_attachment = 2;</code>
+     *
+     * @return The bytes for networkAttachment.
+     */
+    com.google.protobuf.ByteString getNetworkAttachmentBytes();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for setting up a PSC interface. This information needs to be
+   * provided by the customer.
+   * PSC interfaces will be created and added to VMs via SLM (adding a network
+   * interface will require recreating the VM). For HA instances this will be
+   * done via LDTM.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig}
+   */
+  public static final class PscInterfaceConfig extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig)
+      PscInterfaceConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use PscInterfaceConfig.newBuilder() to construct.
+    private PscInterfaceConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+
+    private PscInterfaceConfig() {
+      consumerEndpointIps_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      networkAttachment_ = "";
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+      return new PscInterfaceConfig();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.class,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder.class);
+    }
+
+    public static final int CONSUMER_ENDPOINT_IPS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList consumerEndpointIps_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @return A list containing the consumerEndpointIps.
+     */
+    public com.google.protobuf.ProtocolStringList getConsumerEndpointIpsList() {
+      return consumerEndpointIps_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @return The count of consumerEndpointIps.
+     */
+    public int getConsumerEndpointIpsCount() {
+      return consumerEndpointIps_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @param index The index of the element to return.
+     * @return The consumerEndpointIps at the given index.
+     */
+    public java.lang.String getConsumerEndpointIps(int index) {
+      return consumerEndpointIps_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A list of endpoints in the consumer VPC the interface might initiate
+     * outbound connections to. This list has to be provided when the PSC
+     * interface is created.
+     * </pre>
+     *
+     * <code>repeated string consumer_endpoint_ips = 1;</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the consumerEndpointIps at the given index.
+     */
+    public com.google.protobuf.ByteString getConsumerEndpointIpsBytes(int index) {
+      return consumerEndpointIps_.getByteString(index);
+    }
+
+    public static final int NETWORK_ATTACHMENT_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object networkAttachment_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The NetworkAttachment resource created in the consumer VPC to which the
+     * PSC interface will be linked, in the form of:
+     * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+     * NetworkAttachment has to be provided when the PSC interface is created.
+     * </pre>
+     *
+     * <code>string network_attachment = 2;</code>
+     *
+     * @return The networkAttachment.
+     */
+    @java.lang.Override
+    public java.lang.String getNetworkAttachment() {
+      java.lang.Object ref = networkAttachment_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        networkAttachment_ = s;
+        return s;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The NetworkAttachment resource created in the consumer VPC to which the
+     * PSC interface will be linked, in the form of:
+     * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+     * NetworkAttachment has to be provided when the PSC interface is created.
+     * </pre>
+     *
+     * <code>string network_attachment = 2;</code>
+     *
+     * @return The bytes for networkAttachment.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getNetworkAttachmentBytes() {
+      java.lang.Object ref = networkAttachment_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        networkAttachment_ = 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 {
+      for (int i = 0; i < consumerEndpointIps_.size(); i++) {
+        com.google.protobuf.GeneratedMessageV3.writeString(
+            output, 1, consumerEndpointIps_.getRaw(i));
+      }
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(networkAttachment_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, networkAttachment_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      {
+        int dataSize = 0;
+        for (int i = 0; i < consumerEndpointIps_.size(); i++) {
+          dataSize += computeStringSizeNoTag(consumerEndpointIps_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getConsumerEndpointIpsList().size();
+      }
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(networkAttachment_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, networkAttachment_);
+      }
+      size += getUnknownFields().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.alloydb.v1alpha.Instance.PscInterfaceConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig other =
+          (com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig) obj;
+
+      if (!getConsumerEndpointIpsList().equals(other.getConsumerEndpointIpsList())) return false;
+      if (!getNetworkAttachment().equals(other.getNetworkAttachment())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getConsumerEndpointIpsCount() > 0) {
+        hash = (37 * hash) + CONSUMER_ENDPOINT_IPS_FIELD_NUMBER;
+        hash = (53 * hash) + getConsumerEndpointIpsList().hashCode();
+      }
+      hash = (37 * hash) + NETWORK_ATTACHMENT_FIELD_NUMBER;
+      hash = (53 * hash) + getNetworkAttachment().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig 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.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig 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.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig 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.alloydb.v1alpha.Instance.PscInterfaceConfig parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig 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.alloydb.v1alpha.Instance.PscInterfaceConfig parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig 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.alloydb.v1alpha.Instance.PscInterfaceConfig 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>
+     * Configuration for setting up a PSC interface. This information needs to be
+     * provided by the customer.
+     * PSC interfaces will be created and added to VMs via SLM (adding a network
+     * interface will require recreating the VM). For HA instances this will be
+     * done via LDTM.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig)
+        com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.class,
+                com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder.class);
+      }
+
+      // Construct using com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        consumerEndpointIps_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        networkAttachment_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig build() {
+        com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig buildPartial() {
+        com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig result =
+            new com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          consumerEndpointIps_.makeImmutable();
+          result.consumerEndpointIps_ = consumerEndpointIps_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.networkAttachment_ = networkAttachment_;
+        }
+      }
+
+      @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.alloydb.v1alpha.Instance.PscInterfaceConfig) {
+          return mergeFrom((com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig other) {
+        if (other
+            == com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.getDefaultInstance())
+          return this;
+        if (!other.consumerEndpointIps_.isEmpty()) {
+          if (consumerEndpointIps_.isEmpty()) {
+            consumerEndpointIps_ = other.consumerEndpointIps_;
+            bitField0_ |= 0x00000001;
+          } else {
+            ensureConsumerEndpointIpsIsMutable();
+            consumerEndpointIps_.addAll(other.consumerEndpointIps_);
+          }
+          onChanged();
+        }
+        if (!other.getNetworkAttachment().isEmpty()) {
+          networkAttachment_ = other.networkAttachment_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        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 {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        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();
+                  ensureConsumerEndpointIpsIsMutable();
+                  consumerEndpointIps_.add(s);
+                  break;
+                } // case 10
+              case 18:
+                {
+                  networkAttachment_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private com.google.protobuf.LazyStringArrayList consumerEndpointIps_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureConsumerEndpointIpsIsMutable() {
+        if (!consumerEndpointIps_.isModifiable()) {
+          consumerEndpointIps_ = new com.google.protobuf.LazyStringArrayList(consumerEndpointIps_);
+        }
+        bitField0_ |= 0x00000001;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @return A list containing the consumerEndpointIps.
+       */
+      public com.google.protobuf.ProtocolStringList getConsumerEndpointIpsList() {
+        consumerEndpointIps_.makeImmutable();
+        return consumerEndpointIps_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @return The count of consumerEndpointIps.
+       */
+      public int getConsumerEndpointIpsCount() {
+        return consumerEndpointIps_.size();
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param index The index of the element to return.
+       * @return The consumerEndpointIps at the given index.
+       */
+      public java.lang.String getConsumerEndpointIps(int index) {
+        return consumerEndpointIps_.get(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the consumerEndpointIps at the given index.
+       */
+      public com.google.protobuf.ByteString getConsumerEndpointIpsBytes(int index) {
+        return consumerEndpointIps_.getByteString(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param index The index to set the value at.
+       * @param value The consumerEndpointIps to set.
+       * @return This builder for chaining.
+       */
+      public Builder setConsumerEndpointIps(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureConsumerEndpointIpsIsMutable();
+        consumerEndpointIps_.set(index, value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param value The consumerEndpointIps to add.
+       * @return This builder for chaining.
+       */
+      public Builder addConsumerEndpointIps(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureConsumerEndpointIpsIsMutable();
+        consumerEndpointIps_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param values The consumerEndpointIps to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllConsumerEndpointIps(java.lang.Iterable<java.lang.String> values) {
+        ensureConsumerEndpointIpsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, consumerEndpointIps_);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearConsumerEndpointIps() {
+        consumerEndpointIps_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        ;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * A list of endpoints in the consumer VPC the interface might initiate
+       * outbound connections to. This list has to be provided when the PSC
+       * interface is created.
+       * </pre>
+       *
+       * <code>repeated string consumer_endpoint_ips = 1;</code>
+       *
+       * @param value The bytes of the consumerEndpointIps to add.
+       * @return This builder for chaining.
+       */
+      public Builder addConsumerEndpointIpsBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureConsumerEndpointIpsIsMutable();
+        consumerEndpointIps_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object networkAttachment_ = "";
+      /**
+       *
+       *
+       * <pre>
+       * The NetworkAttachment resource created in the consumer VPC to which the
+       * PSC interface will be linked, in the form of:
+       * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+       * NetworkAttachment has to be provided when the PSC interface is created.
+       * </pre>
+       *
+       * <code>string network_attachment = 2;</code>
+       *
+       * @return The networkAttachment.
+       */
+      public java.lang.String getNetworkAttachment() {
+        java.lang.Object ref = networkAttachment_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          networkAttachment_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The NetworkAttachment resource created in the consumer VPC to which the
+       * PSC interface will be linked, in the form of:
+       * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+       * NetworkAttachment has to be provided when the PSC interface is created.
+       * </pre>
+       *
+       * <code>string network_attachment = 2;</code>
+       *
+       * @return The bytes for networkAttachment.
+       */
+      public com.google.protobuf.ByteString getNetworkAttachmentBytes() {
+        java.lang.Object ref = networkAttachment_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          networkAttachment_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The NetworkAttachment resource created in the consumer VPC to which the
+       * PSC interface will be linked, in the form of:
+       * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+       * NetworkAttachment has to be provided when the PSC interface is created.
+       * </pre>
+       *
+       * <code>string network_attachment = 2;</code>
+       *
+       * @param value The networkAttachment to set.
+       * @return This builder for chaining.
+       */
+      public Builder setNetworkAttachment(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        networkAttachment_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The NetworkAttachment resource created in the consumer VPC to which the
+       * PSC interface will be linked, in the form of:
+       * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+       * NetworkAttachment has to be provided when the PSC interface is created.
+       * </pre>
+       *
+       * <code>string network_attachment = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearNetworkAttachment() {
+        networkAttachment_ = getDefaultInstance().getNetworkAttachment();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The NetworkAttachment resource created in the consumer VPC to which the
+       * PSC interface will be linked, in the form of:
+       * "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+       * NetworkAttachment has to be provided when the PSC interface is created.
+       * </pre>
+       *
+       * <code>string network_attachment = 2;</code>
+       *
+       * @param value The bytes for networkAttachment to set.
+       * @return This builder for chaining.
+       */
+      public Builder setNetworkAttachmentBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        networkAttachment_ = value;
+        bitField0_ |= 0x00000002;
+        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.alloydb.v1alpha.Instance.PscInterfaceConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig)
+    private static final com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig();
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<PscInterfaceConfig> PARSER =
+        new com.google.protobuf.AbstractParser<PscInterfaceConfig>() {
+          @java.lang.Override
+          public PscInterfaceConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<PscInterfaceConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<PscInterfaceConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface PscInstanceConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The service attachment created when Private
+     * Service Connect (PSC) is enabled for the instance.
+     * The name of the resource will be in the format of
+     * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+     * </pre>
+     *
+     * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The serviceAttachmentLink.
+     */
+    java.lang.String getServiceAttachmentLink();
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The service attachment created when Private
+     * Service Connect (PSC) is enabled for the instance.
+     * The name of the resource will be in the format of
+     * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+     * </pre>
+     *
+     * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for serviceAttachmentLink.
+     */
+    com.google.protobuf.ByteString getServiceAttachmentLinkBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the allowedConsumerProjects.
+     */
+    java.util.List<java.lang.String> getAllowedConsumerProjectsList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of allowedConsumerProjects.
+     */
+    int getAllowedConsumerProjectsCount();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The allowedConsumerProjects at the given index.
+     */
+    java.lang.String getAllowedConsumerProjects(int index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the allowedConsumerProjects at the given index.
+     */
+    com.google.protobuf.ByteString getAllowedConsumerProjectsBytes(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the allowedConsumerNetworks.
+     */
+    java.util.List<java.lang.String> getAllowedConsumerNetworksList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of allowedConsumerNetworks.
+     */
+    int getAllowedConsumerNetworksCount();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The allowedConsumerNetworks at the given index.
+     */
+    java.lang.String getAllowedConsumerNetworks(int index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the allowedConsumerNetworks at the given index.
+     */
+    com.google.protobuf.ByteString getAllowedConsumerNetworksBytes(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+        getPscInterfaceConfigsList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig getPscInterfaceConfigs(int index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    int getPscInterfaceConfigsCount();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<? extends com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>
+        getPscInterfaceConfigsOrBuilderList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder
+        getPscInterfaceConfigsOrBuilder(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the outgoingServiceAttachmentLinks.
+     */
+    java.util.List<java.lang.String> getOutgoingServiceAttachmentLinksList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of outgoingServiceAttachmentLinks.
+     */
+    int getOutgoingServiceAttachmentLinksCount();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The outgoingServiceAttachmentLinks at the given index.
+     */
+    java.lang.String getOutgoingServiceAttachmentLinks(int index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the outgoingServiceAttachmentLinks at the given index.
+     */
+    com.google.protobuf.ByteString getOutgoingServiceAttachmentLinksBytes(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether PSC connectivity is enabled for this instance.
+     * This is populated by referencing the value from the parent cluster.
+     * </pre>
+     *
+     * <code>bool psc_enabled = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pscEnabled.
+     */
+    boolean getPscEnabled();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * PscInstanceConfig contains PSC related configuration at an
+   * instance level.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig}
+   */
+  public static final class PscInstanceConfig extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig)
+      PscInstanceConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use PscInstanceConfig.newBuilder() to construct.
+    private PscInstanceConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+
+    private PscInstanceConfig() {
+      serviceAttachmentLink_ = "";
+      allowedConsumerProjects_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      allowedConsumerNetworks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      pscInterfaceConfigs_ = java.util.Collections.emptyList();
+      outgoingServiceAttachmentLinks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+      return new PscInstanceConfig();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.class,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder.class);
+    }
+
+    public static final int SERVICE_ATTACHMENT_LINK_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object serviceAttachmentLink_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The service attachment created when Private
+     * Service Connect (PSC) is enabled for the instance.
+     * The name of the resource will be in the format of
+     * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+     * </pre>
+     *
+     * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The serviceAttachmentLink.
+     */
+    @java.lang.Override
+    public java.lang.String getServiceAttachmentLink() {
+      java.lang.Object ref = serviceAttachmentLink_;
+      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();
+        serviceAttachmentLink_ = s;
+        return s;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The service attachment created when Private
+     * Service Connect (PSC) is enabled for the instance.
+     * The name of the resource will be in the format of
+     * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+     * </pre>
+     *
+     * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for serviceAttachmentLink.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getServiceAttachmentLinkBytes() {
+      java.lang.Object ref = serviceAttachmentLink_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        serviceAttachmentLink_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int ALLOWED_CONSUMER_PROJECTS_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList allowedConsumerProjects_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the allowedConsumerProjects.
+     */
+    public com.google.protobuf.ProtocolStringList getAllowedConsumerProjectsList() {
+      return allowedConsumerProjects_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of allowedConsumerProjects.
+     */
+    public int getAllowedConsumerProjectsCount() {
+      return allowedConsumerProjects_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The allowedConsumerProjects at the given index.
+     */
+    public java.lang.String getAllowedConsumerProjects(int index) {
+      return allowedConsumerProjects_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer projects that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the allowedConsumerProjects at the given index.
+     */
+    public com.google.protobuf.ByteString getAllowedConsumerProjectsBytes(int index) {
+      return allowedConsumerProjects_.getByteString(index);
+    }
+
+    public static final int ALLOWED_CONSUMER_NETWORKS_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList allowedConsumerNetworks_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the allowedConsumerNetworks.
+     */
+    public com.google.protobuf.ProtocolStringList getAllowedConsumerNetworksList() {
+      return allowedConsumerNetworks_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of allowedConsumerNetworks.
+     */
+    public int getAllowedConsumerNetworksCount() {
+      return allowedConsumerNetworks_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The allowedConsumerNetworks at the given index.
+     */
+    public java.lang.String getAllowedConsumerNetworks(int index) {
+      return allowedConsumerNetworks_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of consumer networks that are allowed to create
+     * PSC endpoints to service-attachments to this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the allowedConsumerNetworks at the given index.
+     */
+    public com.google.protobuf.ByteString getAllowedConsumerNetworksBytes(int index) {
+      return allowedConsumerNetworks_.getByteString(index);
+    }
+
+    public static final int PSC_INTERFACE_CONFIGS_FIELD_NUMBER = 4;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+        pscInterfaceConfigs_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+        getPscInterfaceConfigsList() {
+      return pscInterfaceConfigs_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>
+        getPscInterfaceConfigsOrBuilderList() {
+      return pscInterfaceConfigs_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public int getPscInterfaceConfigsCount() {
+      return pscInterfaceConfigs_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig getPscInterfaceConfigs(
+        int index) {
+      return pscInterfaceConfigs_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configurations for setting up PSC interfaces attached to the
+     * instance which are used for outbound connectivity. Only primary instances
+     * can have PSC interface attached. All the VMs created for the primary
+     * instance will share the same configurations. Currently we only support 0
+     * or 1 PSC interface.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder
+        getPscInterfaceConfigsOrBuilder(int index) {
+      return pscInterfaceConfigs_.get(index);
+    }
+
+    public static final int OUTGOING_SERVICE_ATTACHMENT_LINKS_FIELD_NUMBER = 5;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList outgoingServiceAttachmentLinks_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the outgoingServiceAttachmentLinks.
+     */
+    public com.google.protobuf.ProtocolStringList getOutgoingServiceAttachmentLinksList() {
+      return outgoingServiceAttachmentLinks_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of outgoingServiceAttachmentLinks.
+     */
+    public int getOutgoingServiceAttachmentLinksCount() {
+      return outgoingServiceAttachmentLinks_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The outgoingServiceAttachmentLinks at the given index.
+     */
+    public java.lang.String getOutgoingServiceAttachmentLinks(int index) {
+      return outgoingServiceAttachmentLinks_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of service attachments that this instance has created
+     * endpoints to connect with. Currently, only a single outgoing service
+     * attachment is supported per instance.
+     * </pre>
+     *
+     * <code>
+     * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the outgoingServiceAttachmentLinks at the given index.
+     */
+    public com.google.protobuf.ByteString getOutgoingServiceAttachmentLinksBytes(int index) {
+      return outgoingServiceAttachmentLinks_.getByteString(index);
+    }
+
+    public static final int PSC_ENABLED_FIELD_NUMBER = 6;
+    private boolean pscEnabled_ = false;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether PSC connectivity is enabled for this instance.
+     * This is populated by referencing the value from the parent cluster.
+     * </pre>
+     *
+     * <code>bool psc_enabled = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pscEnabled.
+     */
+    @java.lang.Override
+    public boolean getPscEnabled() {
+      return pscEnabled_;
+    }
+
+    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 (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachmentLink_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, serviceAttachmentLink_);
+      }
+      for (int i = 0; i < allowedConsumerProjects_.size(); i++) {
+        com.google.protobuf.GeneratedMessageV3.writeString(
+            output, 2, allowedConsumerProjects_.getRaw(i));
+      }
+      for (int i = 0; i < allowedConsumerNetworks_.size(); i++) {
+        com.google.protobuf.GeneratedMessageV3.writeString(
+            output, 3, allowedConsumerNetworks_.getRaw(i));
+      }
+      for (int i = 0; i < pscInterfaceConfigs_.size(); i++) {
+        output.writeMessage(4, pscInterfaceConfigs_.get(i));
+      }
+      for (int i = 0; i < outgoingServiceAttachmentLinks_.size(); i++) {
+        com.google.protobuf.GeneratedMessageV3.writeString(
+            output, 5, outgoingServiceAttachmentLinks_.getRaw(i));
+      }
+      if (pscEnabled_ != false) {
+        output.writeBool(6, pscEnabled_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachmentLink_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, serviceAttachmentLink_);
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < allowedConsumerProjects_.size(); i++) {
+          dataSize += computeStringSizeNoTag(allowedConsumerProjects_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getAllowedConsumerProjectsList().size();
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < allowedConsumerNetworks_.size(); i++) {
+          dataSize += computeStringSizeNoTag(allowedConsumerNetworks_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getAllowedConsumerNetworksList().size();
+      }
+      for (int i = 0; i < pscInterfaceConfigs_.size(); i++) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                4, pscInterfaceConfigs_.get(i));
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < outgoingServiceAttachmentLinks_.size(); i++) {
+          dataSize += computeStringSizeNoTag(outgoingServiceAttachmentLinks_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getOutgoingServiceAttachmentLinksList().size();
+      }
+      if (pscEnabled_ != false) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(6, pscEnabled_);
+      }
+      size += getUnknownFields().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.alloydb.v1alpha.Instance.PscInstanceConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig other =
+          (com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig) obj;
+
+      if (!getServiceAttachmentLink().equals(other.getServiceAttachmentLink())) return false;
+      if (!getAllowedConsumerProjectsList().equals(other.getAllowedConsumerProjectsList()))
+        return false;
+      if (!getAllowedConsumerNetworksList().equals(other.getAllowedConsumerNetworksList()))
+        return false;
+      if (!getPscInterfaceConfigsList().equals(other.getPscInterfaceConfigsList())) return false;
+      if (!getOutgoingServiceAttachmentLinksList()
+          .equals(other.getOutgoingServiceAttachmentLinksList())) return false;
+      if (getPscEnabled() != other.getPscEnabled()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) 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) + SERVICE_ATTACHMENT_LINK_FIELD_NUMBER;
+      hash = (53 * hash) + getServiceAttachmentLink().hashCode();
+      if (getAllowedConsumerProjectsCount() > 0) {
+        hash = (37 * hash) + ALLOWED_CONSUMER_PROJECTS_FIELD_NUMBER;
+        hash = (53 * hash) + getAllowedConsumerProjectsList().hashCode();
+      }
+      if (getAllowedConsumerNetworksCount() > 0) {
+        hash = (37 * hash) + ALLOWED_CONSUMER_NETWORKS_FIELD_NUMBER;
+        hash = (53 * hash) + getAllowedConsumerNetworksList().hashCode();
+      }
+      if (getPscInterfaceConfigsCount() > 0) {
+        hash = (37 * hash) + PSC_INTERFACE_CONFIGS_FIELD_NUMBER;
+        hash = (53 * hash) + getPscInterfaceConfigsList().hashCode();
+      }
+      if (getOutgoingServiceAttachmentLinksCount() > 0) {
+        hash = (37 * hash) + OUTGOING_SERVICE_ATTACHMENT_LINKS_FIELD_NUMBER;
+        hash = (53 * hash) + getOutgoingServiceAttachmentLinksList().hashCode();
+      }
+      hash = (37 * hash) + PSC_ENABLED_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getPscEnabled());
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig 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.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig 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.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig 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.alloydb.v1alpha.Instance.PscInstanceConfig parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig 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.alloydb.v1alpha.Instance.PscInstanceConfig parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig 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.alloydb.v1alpha.Instance.PscInstanceConfig 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>
+     * PscInstanceConfig contains PSC related configuration at an
+     * instance level.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig)
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.class,
+                com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder.class);
+      }
+
+      // Construct using com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        serviceAttachmentLink_ = "";
+        allowedConsumerProjects_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        allowedConsumerNetworks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        if (pscInterfaceConfigsBuilder_ == null) {
+          pscInterfaceConfigs_ = java.util.Collections.emptyList();
+        } else {
+          pscInterfaceConfigs_ = null;
+          pscInterfaceConfigsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000008);
+        outgoingServiceAttachmentLinks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        pscEnabled_ = false;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig build() {
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig buildPartial() {
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig result =
+            new com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig result) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          if (((bitField0_ & 0x00000008) != 0)) {
+            pscInterfaceConfigs_ = java.util.Collections.unmodifiableList(pscInterfaceConfigs_);
+            bitField0_ = (bitField0_ & ~0x00000008);
+          }
+          result.pscInterfaceConfigs_ = pscInterfaceConfigs_;
+        } else {
+          result.pscInterfaceConfigs_ = pscInterfaceConfigsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.serviceAttachmentLink_ = serviceAttachmentLink_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          allowedConsumerProjects_.makeImmutable();
+          result.allowedConsumerProjects_ = allowedConsumerProjects_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          allowedConsumerNetworks_.makeImmutable();
+          result.allowedConsumerNetworks_ = allowedConsumerNetworks_;
+        }
+        if (((from_bitField0_ & 0x00000010) != 0)) {
+          outgoingServiceAttachmentLinks_.makeImmutable();
+          result.outgoingServiceAttachmentLinks_ = outgoingServiceAttachmentLinks_;
+        }
+        if (((from_bitField0_ & 0x00000020) != 0)) {
+          result.pscEnabled_ = pscEnabled_;
+        }
+      }
+
+      @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.alloydb.v1alpha.Instance.PscInstanceConfig) {
+          return mergeFrom((com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig other) {
+        if (other
+            == com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance())
+          return this;
+        if (!other.getServiceAttachmentLink().isEmpty()) {
+          serviceAttachmentLink_ = other.serviceAttachmentLink_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.allowedConsumerProjects_.isEmpty()) {
+          if (allowedConsumerProjects_.isEmpty()) {
+            allowedConsumerProjects_ = other.allowedConsumerProjects_;
+            bitField0_ |= 0x00000002;
+          } else {
+            ensureAllowedConsumerProjectsIsMutable();
+            allowedConsumerProjects_.addAll(other.allowedConsumerProjects_);
+          }
+          onChanged();
+        }
+        if (!other.allowedConsumerNetworks_.isEmpty()) {
+          if (allowedConsumerNetworks_.isEmpty()) {
+            allowedConsumerNetworks_ = other.allowedConsumerNetworks_;
+            bitField0_ |= 0x00000004;
+          } else {
+            ensureAllowedConsumerNetworksIsMutable();
+            allowedConsumerNetworks_.addAll(other.allowedConsumerNetworks_);
+          }
+          onChanged();
+        }
+        if (pscInterfaceConfigsBuilder_ == null) {
+          if (!other.pscInterfaceConfigs_.isEmpty()) {
+            if (pscInterfaceConfigs_.isEmpty()) {
+              pscInterfaceConfigs_ = other.pscInterfaceConfigs_;
+              bitField0_ = (bitField0_ & ~0x00000008);
+            } else {
+              ensurePscInterfaceConfigsIsMutable();
+              pscInterfaceConfigs_.addAll(other.pscInterfaceConfigs_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.pscInterfaceConfigs_.isEmpty()) {
+            if (pscInterfaceConfigsBuilder_.isEmpty()) {
+              pscInterfaceConfigsBuilder_.dispose();
+              pscInterfaceConfigsBuilder_ = null;
+              pscInterfaceConfigs_ = other.pscInterfaceConfigs_;
+              bitField0_ = (bitField0_ & ~0x00000008);
+              pscInterfaceConfigsBuilder_ =
+                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
+                      ? getPscInterfaceConfigsFieldBuilder()
+                      : null;
+            } else {
+              pscInterfaceConfigsBuilder_.addAllMessages(other.pscInterfaceConfigs_);
+            }
+          }
+        }
+        if (!other.outgoingServiceAttachmentLinks_.isEmpty()) {
+          if (outgoingServiceAttachmentLinks_.isEmpty()) {
+            outgoingServiceAttachmentLinks_ = other.outgoingServiceAttachmentLinks_;
+            bitField0_ |= 0x00000010;
+          } else {
+            ensureOutgoingServiceAttachmentLinksIsMutable();
+            outgoingServiceAttachmentLinks_.addAll(other.outgoingServiceAttachmentLinks_);
+          }
+          onChanged();
+        }
+        if (other.getPscEnabled() != false) {
+          setPscEnabled(other.getPscEnabled());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        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 {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  serviceAttachmentLink_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureAllowedConsumerProjectsIsMutable();
+                  allowedConsumerProjects_.add(s);
+                  break;
+                } // case 18
+              case 26:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureAllowedConsumerNetworksIsMutable();
+                  allowedConsumerNetworks_.add(s);
+                  break;
+                } // case 26
+              case 34:
+                {
+                  com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig m =
+                      input.readMessage(
+                          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.parser(),
+                          extensionRegistry);
+                  if (pscInterfaceConfigsBuilder_ == null) {
+                    ensurePscInterfaceConfigsIsMutable();
+                    pscInterfaceConfigs_.add(m);
+                  } else {
+                    pscInterfaceConfigsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 34
+              case 42:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureOutgoingServiceAttachmentLinksIsMutable();
+                  outgoingServiceAttachmentLinks_.add(s);
+                  break;
+                } // case 42
+              case 48:
+                {
+                  pscEnabled_ = input.readBool();
+                  bitField0_ |= 0x00000020;
+                  break;
+                } // case 48
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object serviceAttachmentLink_ = "";
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The service attachment created when Private
+       * Service Connect (PSC) is enabled for the instance.
+       * The name of the resource will be in the format of
+       * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+       * </pre>
+       *
+       * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return The serviceAttachmentLink.
+       */
+      public java.lang.String getServiceAttachmentLink() {
+        java.lang.Object ref = serviceAttachmentLink_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          serviceAttachmentLink_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The service attachment created when Private
+       * Service Connect (PSC) is enabled for the instance.
+       * The name of the resource will be in the format of
+       * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+       * </pre>
+       *
+       * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return The bytes for serviceAttachmentLink.
+       */
+      public com.google.protobuf.ByteString getServiceAttachmentLinkBytes() {
+        java.lang.Object ref = serviceAttachmentLink_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          serviceAttachmentLink_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The service attachment created when Private
+       * Service Connect (PSC) is enabled for the instance.
+       * The name of the resource will be in the format of
+       * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+       * </pre>
+       *
+       * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @param value The serviceAttachmentLink to set.
+       * @return This builder for chaining.
+       */
+      public Builder setServiceAttachmentLink(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        serviceAttachmentLink_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The service attachment created when Private
+       * Service Connect (PSC) is enabled for the instance.
+       * The name of the resource will be in the format of
+       * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+       * </pre>
+       *
+       * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearServiceAttachmentLink() {
+        serviceAttachmentLink_ = getDefaultInstance().getServiceAttachmentLink();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The service attachment created when Private
+       * Service Connect (PSC) is enabled for the instance.
+       * The name of the resource will be in the format of
+       * projects/&lt;alloydb-tenant-project-number&gt;/regions/&lt;region-name&gt;/serviceAttachments/&lt;service-attachment-name&gt;
+       * </pre>
+       *
+       * <code>string service_attachment_link = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @param value The bytes for serviceAttachmentLink to set.
+       * @return This builder for chaining.
+       */
+      public Builder setServiceAttachmentLinkBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        serviceAttachmentLink_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.LazyStringArrayList allowedConsumerProjects_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureAllowedConsumerProjectsIsMutable() {
+        if (!allowedConsumerProjects_.isModifiable()) {
+          allowedConsumerProjects_ =
+              new com.google.protobuf.LazyStringArrayList(allowedConsumerProjects_);
+        }
+        bitField0_ |= 0x00000002;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return A list containing the allowedConsumerProjects.
+       */
+      public com.google.protobuf.ProtocolStringList getAllowedConsumerProjectsList() {
+        allowedConsumerProjects_.makeImmutable();
+        return allowedConsumerProjects_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The count of allowedConsumerProjects.
+       */
+      public int getAllowedConsumerProjectsCount() {
+        return allowedConsumerProjects_.size();
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the element to return.
+       * @return The allowedConsumerProjects at the given index.
+       */
+      public java.lang.String getAllowedConsumerProjects(int index) {
+        return allowedConsumerProjects_.get(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the allowedConsumerProjects at the given index.
+       */
+      public com.google.protobuf.ByteString getAllowedConsumerProjectsBytes(int index) {
+        return allowedConsumerProjects_.getByteString(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index to set the value at.
+       * @param value The allowedConsumerProjects to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAllowedConsumerProjects(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedConsumerProjectsIsMutable();
+        allowedConsumerProjects_.set(index, value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The allowedConsumerProjects to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllowedConsumerProjects(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedConsumerProjectsIsMutable();
+        allowedConsumerProjects_.add(value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param values The allowedConsumerProjects to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllAllowedConsumerProjects(java.lang.Iterable<java.lang.String> values) {
+        ensureAllowedConsumerProjectsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, allowedConsumerProjects_);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearAllowedConsumerProjects() {
+        allowedConsumerProjects_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        ;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer projects that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_projects = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The bytes of the allowedConsumerProjects to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllowedConsumerProjectsBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureAllowedConsumerProjectsIsMutable();
+        allowedConsumerProjects_.add(value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.LazyStringArrayList allowedConsumerNetworks_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureAllowedConsumerNetworksIsMutable() {
+        if (!allowedConsumerNetworks_.isModifiable()) {
+          allowedConsumerNetworks_ =
+              new com.google.protobuf.LazyStringArrayList(allowedConsumerNetworks_);
+        }
+        bitField0_ |= 0x00000004;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return A list containing the allowedConsumerNetworks.
+       */
+      public com.google.protobuf.ProtocolStringList getAllowedConsumerNetworksList() {
+        allowedConsumerNetworks_.makeImmutable();
+        return allowedConsumerNetworks_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The count of allowedConsumerNetworks.
+       */
+      public int getAllowedConsumerNetworksCount() {
+        return allowedConsumerNetworks_.size();
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the element to return.
+       * @return The allowedConsumerNetworks at the given index.
+       */
+      public java.lang.String getAllowedConsumerNetworks(int index) {
+        return allowedConsumerNetworks_.get(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the allowedConsumerNetworks at the given index.
+       */
+      public com.google.protobuf.ByteString getAllowedConsumerNetworksBytes(int index) {
+        return allowedConsumerNetworks_.getByteString(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index to set the value at.
+       * @param value The allowedConsumerNetworks to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAllowedConsumerNetworks(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedConsumerNetworksIsMutable();
+        allowedConsumerNetworks_.set(index, value);
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The allowedConsumerNetworks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllowedConsumerNetworks(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedConsumerNetworksIsMutable();
+        allowedConsumerNetworks_.add(value);
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param values The allowedConsumerNetworks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllAllowedConsumerNetworks(java.lang.Iterable<java.lang.String> values) {
+        ensureAllowedConsumerNetworksIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, allowedConsumerNetworks_);
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearAllowedConsumerNetworks() {
+        allowedConsumerNetworks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        ;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of consumer networks that are allowed to create
+       * PSC endpoints to service-attachments to this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string allowed_consumer_networks = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The bytes of the allowedConsumerNetworks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllowedConsumerNetworksBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureAllowedConsumerNetworksIsMutable();
+        allowedConsumerNetworks_.add(value);
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+          pscInterfaceConfigs_ = java.util.Collections.emptyList();
+
+      private void ensurePscInterfaceConfigsIsMutable() {
+        if (!((bitField0_ & 0x00000008) != 0)) {
+          pscInterfaceConfigs_ =
+              new java.util.ArrayList<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>(
+                  pscInterfaceConfigs_);
+          bitField0_ |= 0x00000008;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>
+          pscInterfaceConfigsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+          getPscInterfaceConfigsList() {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(pscInterfaceConfigs_);
+        } else {
+          return pscInterfaceConfigsBuilder_.getMessageList();
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public int getPscInterfaceConfigsCount() {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          return pscInterfaceConfigs_.size();
+        } else {
+          return pscInterfaceConfigsBuilder_.getCount();
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig getPscInterfaceConfigs(
+          int index) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          return pscInterfaceConfigs_.get(index);
+        } else {
+          return pscInterfaceConfigsBuilder_.getMessage(index);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setPscInterfaceConfigs(
+          int index, com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig value) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.set(index, value);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setPscInterfaceConfigs(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder builderForValue) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addPscInterfaceConfigs(
+          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig value) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.add(value);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addPscInterfaceConfigs(
+          int index, com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig value) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.add(index, value);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addPscInterfaceConfigs(
+          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder builderForValue) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.add(builderForValue.build());
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addPscInterfaceConfigs(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder builderForValue) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAllPscInterfaceConfigs(
+          java.lang.Iterable<? extends com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig>
+              values) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          ensurePscInterfaceConfigsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, pscInterfaceConfigs_);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearPscInterfaceConfigs() {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          pscInterfaceConfigs_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000008);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder removePscInterfaceConfigs(int index) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          ensurePscInterfaceConfigsIsMutable();
+          pscInterfaceConfigs_.remove(index);
+          onChanged();
+        } else {
+          pscInterfaceConfigsBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder
+          getPscInterfaceConfigsBuilder(int index) {
+        return getPscInterfaceConfigsFieldBuilder().getBuilder(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder
+          getPscInterfaceConfigsOrBuilder(int index) {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          return pscInterfaceConfigs_.get(index);
+        } else {
+          return pscInterfaceConfigsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<
+              ? extends com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>
+          getPscInterfaceConfigsOrBuilderList() {
+        if (pscInterfaceConfigsBuilder_ != null) {
+          return pscInterfaceConfigsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(pscInterfaceConfigs_);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder
+          addPscInterfaceConfigsBuilder() {
+        return getPscInterfaceConfigsFieldBuilder()
+            .addBuilder(
+                com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.getDefaultInstance());
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder
+          addPscInterfaceConfigsBuilder(int index) {
+        return getPscInterfaceConfigsFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.getDefaultInstance());
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Configurations for setting up PSC interfaces attached to the
+       * instance which are used for outbound connectivity. Only primary instances
+       * can have PSC interface attached. All the VMs created for the primary
+       * instance will share the same configurations. Currently we only support 0
+       * or 1 PSC interface.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig psc_interface_configs = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder>
+          getPscInterfaceConfigsBuilderList() {
+        return getPscInterfaceConfigsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder,
+              com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>
+          getPscInterfaceConfigsFieldBuilder() {
+        if (pscInterfaceConfigsBuilder_ == null) {
+          pscInterfaceConfigsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilderV3<
+                  com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig,
+                  com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfig.Builder,
+                  com.google.cloud.alloydb.v1alpha.Instance.PscInterfaceConfigOrBuilder>(
+                  pscInterfaceConfigs_,
+                  ((bitField0_ & 0x00000008) != 0),
+                  getParentForChildren(),
+                  isClean());
+          pscInterfaceConfigs_ = null;
+        }
+        return pscInterfaceConfigsBuilder_;
+      }
+
+      private com.google.protobuf.LazyStringArrayList outgoingServiceAttachmentLinks_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureOutgoingServiceAttachmentLinksIsMutable() {
+        if (!outgoingServiceAttachmentLinks_.isModifiable()) {
+          outgoingServiceAttachmentLinks_ =
+              new com.google.protobuf.LazyStringArrayList(outgoingServiceAttachmentLinks_);
+        }
+        bitField0_ |= 0x00000010;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return A list containing the outgoingServiceAttachmentLinks.
+       */
+      public com.google.protobuf.ProtocolStringList getOutgoingServiceAttachmentLinksList() {
+        outgoingServiceAttachmentLinks_.makeImmutable();
+        return outgoingServiceAttachmentLinks_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The count of outgoingServiceAttachmentLinks.
+       */
+      public int getOutgoingServiceAttachmentLinksCount() {
+        return outgoingServiceAttachmentLinks_.size();
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the element to return.
+       * @return The outgoingServiceAttachmentLinks at the given index.
+       */
+      public java.lang.String getOutgoingServiceAttachmentLinks(int index) {
+        return outgoingServiceAttachmentLinks_.get(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the outgoingServiceAttachmentLinks at the given index.
+       */
+      public com.google.protobuf.ByteString getOutgoingServiceAttachmentLinksBytes(int index) {
+        return outgoingServiceAttachmentLinks_.getByteString(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index to set the value at.
+       * @param value The outgoingServiceAttachmentLinks to set.
+       * @return This builder for chaining.
+       */
+      public Builder setOutgoingServiceAttachmentLinks(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureOutgoingServiceAttachmentLinksIsMutable();
+        outgoingServiceAttachmentLinks_.set(index, value);
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The outgoingServiceAttachmentLinks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addOutgoingServiceAttachmentLinks(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureOutgoingServiceAttachmentLinksIsMutable();
+        outgoingServiceAttachmentLinks_.add(value);
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param values The outgoingServiceAttachmentLinks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllOutgoingServiceAttachmentLinks(
+          java.lang.Iterable<java.lang.String> values) {
+        ensureOutgoingServiceAttachmentLinksIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, outgoingServiceAttachmentLinks_);
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearOutgoingServiceAttachmentLinks() {
+        outgoingServiceAttachmentLinks_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        ;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of service attachments that this instance has created
+       * endpoints to connect with. Currently, only a single outgoing service
+       * attachment is supported per instance.
+       * </pre>
+       *
+       * <code>
+       * repeated string outgoing_service_attachment_links = 5 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The bytes of the outgoingServiceAttachmentLinks to add.
+       * @return This builder for chaining.
+       */
+      public Builder addOutgoingServiceAttachmentLinksBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureOutgoingServiceAttachmentLinksIsMutable();
+        outgoingServiceAttachmentLinks_.add(value);
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      private boolean pscEnabled_;
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether PSC connectivity is enabled for this instance.
+       * This is populated by referencing the value from the parent cluster.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The pscEnabled.
+       */
+      @java.lang.Override
+      public boolean getPscEnabled() {
+        return pscEnabled_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether PSC connectivity is enabled for this instance.
+       * This is populated by referencing the value from the parent cluster.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The pscEnabled to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPscEnabled(boolean value) {
+
+        pscEnabled_ = value;
+        bitField0_ |= 0x00000020;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether PSC connectivity is enabled for this instance.
+       * This is populated by referencing the value from the parent cluster.
+       * </pre>
+       *
+       * <code>bool psc_enabled = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearPscEnabled() {
+        bitField0_ = (bitField0_ & ~0x00000020);
+        pscEnabled_ = 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.alloydb.v1alpha.Instance.PscInstanceConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig)
+    private static final com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig();
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<PscInstanceConfig> PARSER =
+        new com.google.protobuf.AbstractParser<PscInstanceConfig>() {
+          @java.lang.Override
+          public PscInstanceConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<PscInstanceConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<PscInstanceConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface InstanceNetworkConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork>
+        getAuthorizedExternalNetworksList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+        getAuthorizedExternalNetworks(int index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    int getAuthorizedExternalNetworksCount();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<
+            ? extends
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                    .AuthorizedNetworkOrBuilder>
+        getAuthorizedExternalNetworksOrBuilderList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetworkOrBuilder
+        getAuthorizedExternalNetworksOrBuilder(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Enabling public ip for the instance.
+     * </pre>
+     *
+     * <code>bool enable_public_ip = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enablePublicIp.
+     */
+    boolean getEnablePublicIp();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Metadata related to instance level network configuration.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig}
+   */
+  public static final class InstanceNetworkConfig extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig)
+      InstanceNetworkConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use InstanceNetworkConfig.newBuilder() to construct.
+    private InstanceNetworkConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+
+    private InstanceNetworkConfig() {
+      authorizedExternalNetworks_ = java.util.Collections.emptyList();
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+      return new InstanceNetworkConfig();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ResourcesProto
+          .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.class,
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder.class);
+    }
+
+    public interface AuthorizedNetworkOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       *
+       *
+       * <pre>
+       * CIDR range for one authorzied network of the instance.
+       * </pre>
+       *
+       * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+       *
+       * @return The cidrRange.
+       */
+      java.lang.String getCidrRange();
+      /**
+       *
+       *
+       * <pre>
+       * CIDR range for one authorzied network of the instance.
+       * </pre>
+       *
+       * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+       *
+       * @return The bytes for cidrRange.
+       */
+      com.google.protobuf.ByteString getCidrRangeBytes();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * AuthorizedNetwork contains metadata for an authorized network.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork}
+     */
+    public static final class AuthorizedNetwork extends com.google.protobuf.GeneratedMessageV3
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+        AuthorizedNetworkOrBuilder {
+      private static final long serialVersionUID = 0L;
+      // Use AuthorizedNetwork.newBuilder() to construct.
+      private AuthorizedNetwork(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+        super(builder);
+      }
+
+      private AuthorizedNetwork() {
+        cidrRange_ = "";
+      }
+
+      @java.lang.Override
+      @SuppressWarnings({"unused"})
+      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+        return new AuthorizedNetwork();
+      }
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                    .class,
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                    .Builder.class);
+      }
+
+      public static final int CIDR_RANGE_FIELD_NUMBER = 1;
+
+      @SuppressWarnings("serial")
+      private volatile java.lang.Object cidrRange_ = "";
+      /**
+       *
+       *
+       * <pre>
+       * CIDR range for one authorzied network of the instance.
+       * </pre>
+       *
+       * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+       *
+       * @return The cidrRange.
+       */
+      @java.lang.Override
+      public java.lang.String getCidrRange() {
+        java.lang.Object ref = cidrRange_;
+        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();
+          cidrRange_ = s;
+          return s;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * CIDR range for one authorzied network of the instance.
+       * </pre>
+       *
+       * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+       *
+       * @return The bytes for cidrRange.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getCidrRangeBytes() {
+        java.lang.Object ref = cidrRange_;
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          cidrRange_ = 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 (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cidrRange_)) {
+          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, cidrRange_);
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cidrRange_)) {
+          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, cidrRange_);
+        }
+        size += getUnknownFields().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.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork other =
+            (com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork) obj;
+
+        if (!getCidrRange().equals(other.getCidrRange())) return false;
+        if (!getUnknownFields().equals(other.getUnknownFields())) 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) + CIDR_RANGE_FIELD_NUMBER;
+        hash = (53 * hash) + getCidrRange().hashCode();
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(java.nio.ByteBuffer data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(com.google.protobuf.ByteString data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+              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>
+       * AuthorizedNetwork contains metadata for an authorized network.
+       * </pre>
+       *
+       * Protobuf type {@code
+       * google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetworkOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.alloydb.v1alpha.ResourcesProto
+              .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.alloydb.v1alpha.ResourcesProto
+              .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                      .class,
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                      .Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          cidrRange_ = "";
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.alloydb.v1alpha.ResourcesProto
+              .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+            getDefaultInstanceForType() {
+          return com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+              .getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+            build() {
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork result =
+              buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+            buildPartial() {
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork result =
+              new com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork(
+                  this);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartial0(
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                result) {
+          int from_bitField0_ = bitField0_;
+          if (((from_bitField0_ & 0x00000001) != 0)) {
+            result.cidrRange_ = cidrRange_;
+          }
+        }
+
+        @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.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork) {
+            return mergeFrom(
+                (com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+                    other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                other) {
+          if (other
+              == com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                  .getDefaultInstance()) return this;
+          if (!other.getCidrRange().isEmpty()) {
+            cidrRange_ = other.cidrRange_;
+            bitField0_ |= 0x00000001;
+            onChanged();
+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          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 {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                case 10:
+                  {
+                    cidrRange_ = input.readStringRequireUtf8();
+                    bitField0_ |= 0x00000001;
+                    break;
+                  } // case 10
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int bitField0_;
+
+        private java.lang.Object cidrRange_ = "";
+        /**
+         *
+         *
+         * <pre>
+         * CIDR range for one authorzied network of the instance.
+         * </pre>
+         *
+         * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+         *
+         * @return The cidrRange.
+         */
+        public java.lang.String getCidrRange() {
+          java.lang.Object ref = cidrRange_;
+          if (!(ref instanceof java.lang.String)) {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            cidrRange_ = s;
+            return s;
+          } else {
+            return (java.lang.String) ref;
+          }
+        }
+        /**
+         *
+         *
+         * <pre>
+         * CIDR range for one authorzied network of the instance.
+         * </pre>
+         *
+         * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+         *
+         * @return The bytes for cidrRange.
+         */
+        public com.google.protobuf.ByteString getCidrRangeBytes() {
+          java.lang.Object ref = cidrRange_;
+          if (ref instanceof String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            cidrRange_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+        /**
+         *
+         *
+         * <pre>
+         * CIDR range for one authorzied network of the instance.
+         * </pre>
+         *
+         * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+         *
+         * @param value The cidrRange to set.
+         * @return This builder for chaining.
+         */
+        public Builder setCidrRange(java.lang.String value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          cidrRange_ = value;
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * CIDR range for one authorzied network of the instance.
+         * </pre>
+         *
+         * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearCidrRange() {
+          cidrRange_ = getDefaultInstance().getCidrRange();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * CIDR range for one authorzied network of the instance.
+         * </pre>
+         *
+         * <code>string cidr_range = 1 [(.google.api.field_info) = { ... }</code>
+         *
+         * @param value The bytes for cidrRange to set.
+         * @return This builder for chaining.
+         */
+        public Builder setCidrRangeBytes(com.google.protobuf.ByteString value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          checkByteStringIsUtf8(value);
+          cidrRange_ = value;
+          bitField0_ |= 0x00000001;
+          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.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork)
+      private static final com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE =
+            new com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork();
+      }
+
+      public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetwork
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser<AuthorizedNetwork> PARSER =
+          new com.google.protobuf.AbstractParser<AuthorizedNetwork>() {
+            @java.lang.Override
+            public AuthorizedNetwork parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser<AuthorizedNetwork> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<AuthorizedNetwork> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    public static final int AUTHORIZED_EXTERNAL_NETWORKS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List<
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork>
+        authorizedExternalNetworks_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork>
+        getAuthorizedExternalNetworksList() {
+      return authorizedExternalNetworks_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                    .AuthorizedNetworkOrBuilder>
+        getAuthorizedExternalNetworksOrBuilderList() {
+      return authorizedExternalNetworks_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public int getAuthorizedExternalNetworksCount() {
+      return authorizedExternalNetworks_.size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+        getAuthorizedExternalNetworks(int index) {
+      return authorizedExternalNetworks_.get(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A list of external network authorized to access this instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+            .AuthorizedNetworkOrBuilder
+        getAuthorizedExternalNetworksOrBuilder(int index) {
+      return authorizedExternalNetworks_.get(index);
+    }
+
+    public static final int ENABLE_PUBLIC_IP_FIELD_NUMBER = 2;
+    private boolean enablePublicIp_ = false;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Enabling public ip for the instance.
+     * </pre>
+     *
+     * <code>bool enable_public_ip = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enablePublicIp.
+     */
+    @java.lang.Override
+    public boolean getEnablePublicIp() {
+      return enablePublicIp_;
+    }
+
+    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 {
+      for (int i = 0; i < authorizedExternalNetworks_.size(); i++) {
+        output.writeMessage(1, authorizedExternalNetworks_.get(i));
+      }
+      if (enablePublicIp_ != false) {
+        output.writeBool(2, enablePublicIp_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < authorizedExternalNetworks_.size(); i++) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                1, authorizedExternalNetworks_.get(i));
+      }
+      if (enablePublicIp_ != false) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, enablePublicIp_);
+      }
+      size += getUnknownFields().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.alloydb.v1alpha.Instance.InstanceNetworkConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig other =
+          (com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig) obj;
+
+      if (!getAuthorizedExternalNetworksList().equals(other.getAuthorizedExternalNetworksList()))
+        return false;
+      if (getEnablePublicIp() != other.getEnablePublicIp()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getAuthorizedExternalNetworksCount() > 0) {
+        hash = (37 * hash) + AUTHORIZED_EXTERNAL_NETWORKS_FIELD_NUMBER;
+        hash = (53 * hash) + getAuthorizedExternalNetworksList().hashCode();
+      }
+      hash = (37 * hash) + ENABLE_PUBLIC_IP_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnablePublicIp());
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig 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.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig 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.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig 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.alloydb.v1alpha.Instance.InstanceNetworkConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+        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.alloydb.v1alpha.Instance.InstanceNetworkConfig parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig 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.alloydb.v1alpha.Instance.InstanceNetworkConfig 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>
+     * Metadata related to instance level network configuration.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig)
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.class,
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (authorizedExternalNetworksBuilder_ == null) {
+          authorizedExternalNetworks_ = java.util.Collections.emptyList();
+        } else {
+          authorizedExternalNetworks_ = null;
+          authorizedExternalNetworksBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        enablePublicIp_ = false;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.alloydb.v1alpha.ResourcesProto
+            .internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig build() {
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig buildPartial() {
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig result =
+            new com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig result) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            authorizedExternalNetworks_ =
+                java.util.Collections.unmodifiableList(authorizedExternalNetworks_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.authorizedExternalNetworks_ = authorizedExternalNetworks_;
+        } else {
+          result.authorizedExternalNetworks_ = authorizedExternalNetworksBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.enablePublicIp_ = enablePublicIp_;
+        }
+      }
+
+      @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.alloydb.v1alpha.Instance.InstanceNetworkConfig) {
+          return mergeFrom((com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig other) {
+        if (other
+            == com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance())
+          return this;
+        if (authorizedExternalNetworksBuilder_ == null) {
+          if (!other.authorizedExternalNetworks_.isEmpty()) {
+            if (authorizedExternalNetworks_.isEmpty()) {
+              authorizedExternalNetworks_ = other.authorizedExternalNetworks_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureAuthorizedExternalNetworksIsMutable();
+              authorizedExternalNetworks_.addAll(other.authorizedExternalNetworks_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.authorizedExternalNetworks_.isEmpty()) {
+            if (authorizedExternalNetworksBuilder_.isEmpty()) {
+              authorizedExternalNetworksBuilder_.dispose();
+              authorizedExternalNetworksBuilder_ = null;
+              authorizedExternalNetworks_ = other.authorizedExternalNetworks_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              authorizedExternalNetworksBuilder_ =
+                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
+                      ? getAuthorizedExternalNetworksFieldBuilder()
+                      : null;
+            } else {
+              authorizedExternalNetworksBuilder_.addAllMessages(other.authorizedExternalNetworks_);
+            }
+          }
+        }
+        if (other.getEnablePublicIp() != false) {
+          setEnablePublicIp(other.getEnablePublicIp());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        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 {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                      m =
+                          input.readMessage(
+                              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                                  .AuthorizedNetwork.parser(),
+                              extensionRegistry);
+                  if (authorizedExternalNetworksBuilder_ == null) {
+                    ensureAuthorizedExternalNetworksIsMutable();
+                    authorizedExternalNetworks_.add(m);
+                  } else {
+                    authorizedExternalNetworksBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 10
+              case 16:
+                {
+                  enablePublicIp_ = input.readBool();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.util.List<
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork>
+          authorizedExternalNetworks_ = java.util.Collections.emptyList();
+
+      private void ensureAuthorizedExternalNetworksIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          authorizedExternalNetworks_ =
+              new java.util.ArrayList<
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                      .AuthorizedNetwork>(authorizedExternalNetworks_);
+          bitField0_ |= 0x00000001;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork,
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                  .Builder,
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                  .AuthorizedNetworkOrBuilder>
+          authorizedExternalNetworksBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork>
+          getAuthorizedExternalNetworksList() {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(authorizedExternalNetworks_);
+        } else {
+          return authorizedExternalNetworksBuilder_.getMessageList();
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public int getAuthorizedExternalNetworksCount() {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          return authorizedExternalNetworks_.size();
+        } else {
+          return authorizedExternalNetworksBuilder_.getCount();
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+          getAuthorizedExternalNetworks(int index) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          return authorizedExternalNetworks_.get(index);
+        } else {
+          return authorizedExternalNetworksBuilder_.getMessage(index);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setAuthorizedExternalNetworks(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork value) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.set(index, value);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setAuthorizedExternalNetworks(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork.Builder
+              builderForValue) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAuthorizedExternalNetworks(
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork value) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.add(value);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAuthorizedExternalNetworks(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork value) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.add(index, value);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAuthorizedExternalNetworks(
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork.Builder
+              builderForValue) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.add(builderForValue.build());
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAuthorizedExternalNetworks(
+          int index,
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork.Builder
+              builderForValue) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAllAuthorizedExternalNetworks(
+          java.lang.Iterable<
+                  ? extends
+                      com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                          .AuthorizedNetwork>
+              values) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          ensureAuthorizedExternalNetworksIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(
+              values, authorizedExternalNetworks_);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearAuthorizedExternalNetworks() {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          authorizedExternalNetworks_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder removeAuthorizedExternalNetworks(int index) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          ensureAuthorizedExternalNetworksIsMutable();
+          authorizedExternalNetworks_.remove(index);
+          onChanged();
+        } else {
+          authorizedExternalNetworksBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+              .Builder
+          getAuthorizedExternalNetworksBuilder(int index) {
+        return getAuthorizedExternalNetworksFieldBuilder().getBuilder(index);
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+              .AuthorizedNetworkOrBuilder
+          getAuthorizedExternalNetworksOrBuilder(int index) {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          return authorizedExternalNetworks_.get(index);
+        } else {
+          return authorizedExternalNetworksBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<
+              ? extends
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                      .AuthorizedNetworkOrBuilder>
+          getAuthorizedExternalNetworksOrBuilderList() {
+        if (authorizedExternalNetworksBuilder_ != null) {
+          return authorizedExternalNetworksBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(authorizedExternalNetworks_);
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+              .Builder
+          addAuthorizedExternalNetworksBuilder() {
+        return getAuthorizedExternalNetworksFieldBuilder()
+            .addBuilder(
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                    .getDefaultInstance());
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+              .Builder
+          addAuthorizedExternalNetworksBuilder(int index) {
+        return getAuthorizedExternalNetworksFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                    .getDefaultInstance());
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. A list of external network authorized to access this instance.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork authorized_external_networks = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                  .Builder>
+          getAuthorizedExternalNetworksBuilderList() {
+        return getAuthorizedExternalNetworksFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork,
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                  .Builder,
+              com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                  .AuthorizedNetworkOrBuilder>
+          getAuthorizedExternalNetworksFieldBuilder() {
+        if (authorizedExternalNetworksBuilder_ == null) {
+          authorizedExternalNetworksBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilderV3<
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork,
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.AuthorizedNetwork
+                      .Builder,
+                  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+                      .AuthorizedNetworkOrBuilder>(
+                  authorizedExternalNetworks_,
+                  ((bitField0_ & 0x00000001) != 0),
+                  getParentForChildren(),
+                  isClean());
+          authorizedExternalNetworks_ = null;
+        }
+        return authorizedExternalNetworksBuilder_;
+      }
+
+      private boolean enablePublicIp_;
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Enabling public ip for the instance.
+       * </pre>
+       *
+       * <code>bool enable_public_ip = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The enablePublicIp.
+       */
+      @java.lang.Override
+      public boolean getEnablePublicIp() {
+        return enablePublicIp_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Enabling public ip for the instance.
+       * </pre>
+       *
+       * <code>bool enable_public_ip = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The enablePublicIp to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEnablePublicIp(boolean value) {
+
+        enablePublicIp_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Enabling public ip for the instance.
+       * </pre>
+       *
+       * <code>bool enable_public_ip = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEnablePublicIp() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        enablePublicIp_ = 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.alloydb.v1alpha.Instance.InstanceNetworkConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig)
+    private static final com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig();
+    }
+
+    public static com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<InstanceNetworkConfig> PARSER =
+        new com.google.protobuf.AbstractParser<InstanceNetworkConfig>() {
+          @java.lang.Override
+          public InstanceNetworkConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<InstanceNetworkConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<InstanceNetworkConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
   public static final int NAME_FIELD_NUMBER = 1;
 
   @SuppressWarnings("serial")
@@ -6863,7 +12529,8 @@ public boolean hasQueryInsightsConfig() {
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -6878,7 +12545,8 @@ public boolean hasReadPoolConfig() {
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -6895,7 +12563,8 @@ public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig getReadPoolConfi
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -7263,16 +12932,34 @@ public boolean hasClientConnectionConfig() {
         : clientConnectionConfig_;
   }
 
+  public static final int SATISFIES_PZI_FIELD_NUMBER = 30;
+  private boolean satisfiesPzi_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzi = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  @java.lang.Override
+  public boolean getSatisfiesPzi() {
+    return satisfiesPzi_;
+  }
+
   public static final int SATISFIES_PZS_FIELD_NUMBER = 24;
   private boolean satisfiesPzs_ = false;
   /**
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 24;</code>
+   * <code>bool satisfies_pzs = 24 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
@@ -7281,6 +12968,123 @@ public boolean getSatisfiesPzs() {
     return satisfiesPzs_;
   }
 
+  public static final int PSC_INSTANCE_CONFIG_FIELD_NUMBER = 28;
+  private com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig pscInstanceConfig_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pscInstanceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasPscInstanceConfig() {
+    return pscInstanceConfig_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pscInstanceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig getPscInstanceConfig() {
+    return pscInstanceConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance()
+        : pscInstanceConfig_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder
+      getPscInstanceConfigOrBuilder() {
+    return pscInstanceConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance()
+        : pscInstanceConfig_;
+  }
+
+  public static final int NETWORK_CONFIG_FIELD_NUMBER = 29;
+  private com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig networkConfig_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the networkConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasNetworkConfig() {
+    return networkConfig_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The networkConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig getNetworkConfig() {
+    return networkConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance()
+        : networkConfig_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder
+      getNetworkConfigOrBuilder() {
+    return networkConfig_ == null
+        ? com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance()
+        : networkConfig_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -7368,6 +13172,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (satisfiesPzs_ != false) {
       output.writeBool(24, satisfiesPzs_);
     }
+    if (pscInstanceConfig_ != null) {
+      output.writeMessage(28, getPscInstanceConfig());
+    }
+    if (networkConfig_ != null) {
+      output.writeMessage(29, getNetworkConfig());
+    }
+    if (satisfiesPzi_ != false) {
+      output.writeBool(30, satisfiesPzi_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -7476,6 +13289,15 @@ public int getSerializedSize() {
     if (satisfiesPzs_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(24, satisfiesPzs_);
     }
+    if (pscInstanceConfig_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(28, getPscInstanceConfig());
+    }
+    if (networkConfig_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(29, getNetworkConfig());
+    }
+    if (satisfiesPzi_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(30, satisfiesPzi_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -7542,7 +13364,16 @@ public boolean equals(final java.lang.Object obj) {
     if (hasClientConnectionConfig()) {
       if (!getClientConnectionConfig().equals(other.getClientConnectionConfig())) return false;
     }
+    if (getSatisfiesPzi() != other.getSatisfiesPzi()) return false;
     if (getSatisfiesPzs() != other.getSatisfiesPzs()) return false;
+    if (hasPscInstanceConfig() != other.hasPscInstanceConfig()) return false;
+    if (hasPscInstanceConfig()) {
+      if (!getPscInstanceConfig().equals(other.getPscInstanceConfig())) return false;
+    }
+    if (hasNetworkConfig() != other.hasNetworkConfig()) return false;
+    if (hasNetworkConfig()) {
+      if (!getNetworkConfig().equals(other.getNetworkConfig())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -7626,8 +13457,18 @@ public int hashCode() {
       hash = (37 * hash) + CLIENT_CONNECTION_CONFIG_FIELD_NUMBER;
       hash = (53 * hash) + getClientConnectionConfig().hashCode();
     }
+    hash = (37 * hash) + SATISFIES_PZI_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzi());
     hash = (37 * hash) + SATISFIES_PZS_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzs());
+    if (hasPscInstanceConfig()) {
+      hash = (37 * hash) + PSC_INSTANCE_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getPscInstanceConfig().hashCode();
+    }
+    if (hasNetworkConfig()) {
+      hash = (37 * hash) + NETWORK_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getNetworkConfig().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -7861,7 +13702,18 @@ public Builder clear() {
         clientConnectionConfigBuilder_.dispose();
         clientConnectionConfigBuilder_ = null;
       }
-      satisfiesPzs_ = false;
+      satisfiesPzi_ = false;
+      satisfiesPzs_ = false;
+      pscInstanceConfig_ = null;
+      if (pscInstanceConfigBuilder_ != null) {
+        pscInstanceConfigBuilder_.dispose();
+        pscInstanceConfigBuilder_ = null;
+      }
+      networkConfig_ = null;
+      if (networkConfigBuilder_ != null) {
+        networkConfigBuilder_.dispose();
+        networkConfigBuilder_ = null;
+      }
       return this;
     }
 
@@ -7991,8 +13843,21 @@ private void buildPartial0(com.google.cloud.alloydb.v1alpha.Instance result) {
                 : clientConnectionConfigBuilder_.build();
       }
       if (((from_bitField0_ & 0x00800000) != 0)) {
+        result.satisfiesPzi_ = satisfiesPzi_;
+      }
+      if (((from_bitField0_ & 0x01000000) != 0)) {
         result.satisfiesPzs_ = satisfiesPzs_;
       }
+      if (((from_bitField0_ & 0x02000000) != 0)) {
+        result.pscInstanceConfig_ =
+            pscInstanceConfigBuilder_ == null
+                ? pscInstanceConfig_
+                : pscInstanceConfigBuilder_.build();
+      }
+      if (((from_bitField0_ & 0x04000000) != 0)) {
+        result.networkConfig_ =
+            networkConfigBuilder_ == null ? networkConfig_ : networkConfigBuilder_.build();
+      }
     }
 
     @java.lang.Override
@@ -8142,9 +14007,18 @@ public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.Instance other) {
       if (other.hasClientConnectionConfig()) {
         mergeClientConnectionConfig(other.getClientConnectionConfig());
       }
+      if (other.getSatisfiesPzi() != false) {
+        setSatisfiesPzi(other.getSatisfiesPzi());
+      }
       if (other.getSatisfiesPzs() != false) {
         setSatisfiesPzs(other.getSatisfiesPzs());
       }
+      if (other.hasPscInstanceConfig()) {
+        mergePscInstanceConfig(other.getPscInstanceConfig());
+      }
+      if (other.hasNetworkConfig()) {
+        mergeNetworkConfig(other.getNetworkConfig());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -8339,9 +14213,28 @@ public Builder mergeFrom(
             case 192:
               {
                 satisfiesPzs_ = input.readBool();
-                bitField0_ |= 0x00800000;
+                bitField0_ |= 0x01000000;
                 break;
               } // case 192
+            case 226:
+              {
+                input.readMessage(
+                    getPscInstanceConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x02000000;
+                break;
+              } // case 226
+            case 234:
+              {
+                input.readMessage(getNetworkConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x04000000;
+                break;
+              } // case 234
+            case 240:
+              {
+                satisfiesPzi_ = input.readBool();
+                bitField0_ |= 0x00800000;
+                break;
+              } // case 240
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -8359,34 +14252,279 @@ public Builder mergeFrom(
       return this;
     }
 
-    private int bitField0_;
-
-    private java.lang.Object name_ = "";
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The name of the instance resource with the format:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
+     * where the cluster and instance ID segments should satisfy the regex
+     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
+     * lowercase letters, numbers, and dashes, starting with a letter, and ending
+     * with a letter or number. For more details see https://google.aip.dev/122.
+     * The prefix of the instance resource name is the name of the parent
+     * resource:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</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>
+     * Output only. The name of the instance resource with the format:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
+     * where the cluster and instance ID segments should satisfy the regex
+     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
+     * lowercase letters, numbers, and dashes, starting with a letter, and ending
+     * with a letter or number. For more details see https://google.aip.dev/122.
+     * The prefix of the instance resource name is the name of the parent
+     * resource:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</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>
+     * Output only. The name of the instance resource with the format:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
+     * where the cluster and instance ID segments should satisfy the regex
+     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
+     * lowercase letters, numbers, and dashes, starting with a letter, and ending
+     * with a letter or number. For more details see https://google.aip.dev/122.
+     * The prefix of the instance resource name is the name of the parent
+     * resource:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The name of the instance resource with the format:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
+     * where the cluster and instance ID segments should satisfy the regex
+     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
+     * lowercase letters, numbers, and dashes, starting with a letter, and ending
+     * with a letter or number. For more details see https://google.aip.dev/122.
+     * The prefix of the instance resource name is the name of the parent
+     * resource:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The name of the instance resource with the format:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
+     * where the cluster and instance ID segments should satisfy the regex
+     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
+     * lowercase letters, numbers, and dashes, starting with a letter, and ending
+     * with a letter or number. For more details see https://google.aip.dev/122.
+     * The prefix of the instance resource name is the name of the parent
+     * resource:
+     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * User-settable and human-readable display name for the Instance.
+     * </pre>
+     *
+     * <code>string display_name = 2;</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * User-settable and human-readable display name for the Instance.
+     * </pre>
+     *
+     * <code>string display_name = 2;</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * User-settable and human-readable display name for the Instance.
+     * </pre>
+     *
+     * <code>string display_name = 2;</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * User-settable and human-readable display name for the Instance.
+     * </pre>
+     *
+     * <code>string display_name = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * User-settable and human-readable display name for the Instance.
+     * </pre>
+     *
+     * <code>string display_name = 2;</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object uid_ = "";
     /**
      *
      *
      * <pre>
-     * Output only. The name of the instance resource with the format:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
-     * where the cluster and instance ID segments should satisfy the regex
-     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
-     * lowercase letters, numbers, and dashes, starting with a letter, and ending
-     * with a letter or number. For more details see https://google.aip.dev/122.
-     * The prefix of the instance resource name is the name of the parent
-     * resource:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * Output only. The system-generated UID of the resource. The UID is assigned
+     * when the resource is created, and it is retained until it is deleted.
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
-     * @return The name.
+     * @return The uid.
      */
-    public java.lang.String getName() {
-      java.lang.Object ref = name_;
+    public java.lang.String getUid() {
+      java.lang.Object ref = uid_;
       if (!(ref instanceof java.lang.String)) {
         com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
-        name_ = s;
+        uid_ = s;
         return s;
       } else {
         return (java.lang.String) ref;
@@ -8396,27 +14534,20 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Output only. The name of the instance resource with the format:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
-     * where the cluster and instance ID segments should satisfy the regex
-     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
-     * lowercase letters, numbers, and dashes, starting with a letter, and ending
-     * with a letter or number. For more details see https://google.aip.dev/122.
-     * The prefix of the instance resource name is the name of the parent
-     * resource:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * Output only. The system-generated UID of the resource. The UID is assigned
+     * when the resource is created, and it is retained until it is deleted.
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
-     * @return The bytes for name.
+     * @return The bytes for uid.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
-      java.lang.Object ref = name_;
+    public com.google.protobuf.ByteString getUidBytes() {
+      java.lang.Object ref = uid_;
       if (ref instanceof String) {
         com.google.protobuf.ByteString b =
             com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        name_ = b;
+        uid_ = b;
         return b;
       } else {
         return (com.google.protobuf.ByteString) ref;
@@ -8426,28 +14557,21 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Output only. The name of the instance resource with the format:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
-     * where the cluster and instance ID segments should satisfy the regex
-     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
-     * lowercase letters, numbers, and dashes, starting with a letter, and ending
-     * with a letter or number. For more details see https://google.aip.dev/122.
-     * The prefix of the instance resource name is the name of the parent
-     * resource:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * Output only. The system-generated UID of the resource. The UID is assigned
+     * when the resource is created, and it is retained until it is deleted.
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
-     * @param value The name to set.
+     * @param value The uid to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
+    public Builder setUid(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      name_ = value;
-      bitField0_ |= 0x00000001;
+      uid_ = value;
+      bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
@@ -8455,24 +14579,178 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Output only. The name of the instance resource with the format:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
-     * where the cluster and instance ID segments should satisfy the regex
-     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
-     * lowercase letters, numbers, and dashes, starting with a letter, and ending
-     * with a letter or number. For more details see https://google.aip.dev/122.
-     * The prefix of the instance resource name is the name of the parent
-     * resource:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * Output only. The system-generated UID of the resource. The UID is assigned
+     * when the resource is created, and it is retained until it is deleted.
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearName() {
-      name_ = getDefaultInstance().getName();
-      bitField0_ = (bitField0_ & ~0x00000001);
+    public Builder clearUid() {
+      uid_ = getDefaultInstance().getUid();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The system-generated UID of the resource. The UID is assigned
+     * when the resource is created, and it is retained until it is deleted.
+     * </pre>
+     *
+     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for uid to set.
+     * @return This builder for chaining.
+     */
+    public Builder setUidBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      uid_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        createTimeBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the createTime field is set.
+     */
+    public boolean hasCreateTime() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The createTime.
+     */
+    public com.google.protobuf.Timestamp getCreateTime() {
+      if (createTimeBuilder_ == null) {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      } else {
+        return createTimeBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        createTime_ = value;
+      } else {
+        createTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (createTimeBuilder_ == null) {
+        createTime_ = builderForValue.build();
+      } else {
+        createTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && createTime_ != null
+            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getCreateTimeBuilder().mergeFrom(value);
+        } else {
+          createTime_ = value;
+        }
+      } else {
+        createTimeBuilder_.mergeFrom(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Create time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCreateTime() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
       onChanged();
       return this;
     }
@@ -8480,205 +14758,200 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Output only. The name of the instance resource with the format:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}/instances/{instance_id}
-     * where the cluster and instance ID segments should satisfy the regex
-     * expression `[a-z]([a-z0-9-]{0,61}[a-z0-9])?`, e.g. 1-63 characters of
-     * lowercase letters, numbers, and dashes, starting with a letter, and ending
-     * with a letter or number. For more details see https://google.aip.dev/122.
-     * The prefix of the instance resource name is the name of the parent
-     * resource:
-     *  * projects/{project}/locations/{region}/clusters/{cluster_id}
+     * Output only. Create time stamp
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @param value The bytes for name to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      checkByteStringIsUtf8(value);
-      name_ = value;
-      bitField0_ |= 0x00000001;
+    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
+      bitField0_ |= 0x00000008;
       onChanged();
-      return this;
+      return getCreateTimeFieldBuilder().getBuilder();
     }
-
-    private java.lang.Object displayName_ = "";
     /**
      *
      *
      * <pre>
-     * User-settable and human-readable display name for the Instance.
+     * Output only. Create time stamp
      * </pre>
      *
-     * <code>string display_name = 2;</code>
-     *
-     * @return The displayName.
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public java.lang.String getDisplayName() {
-      java.lang.Object ref = displayName_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        displayName_ = s;
-        return s;
+    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+      if (createTimeBuilder_ != null) {
+        return createTimeBuilder_.getMessageOrBuilder();
       } else {
-        return (java.lang.String) ref;
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
       }
     }
     /**
      *
      *
      * <pre>
-     * User-settable and human-readable display name for the Instance.
+     * Output only. Create time stamp
      * </pre>
      *
-     * <code>string display_name = 2;</code>
-     *
-     * @return The bytes for displayName.
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public com.google.protobuf.ByteString getDisplayNameBytes() {
-      java.lang.Object ref = displayName_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        displayName_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        getCreateTimeFieldBuilder() {
+      if (createTimeBuilder_ == null) {
+        createTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getCreateTime(), getParentForChildren(), isClean());
+        createTime_ = null;
       }
+      return createTimeBuilder_;
     }
+
+    private com.google.protobuf.Timestamp updateTime_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        updateTimeBuilder_;
     /**
      *
      *
      * <pre>
-     * User-settable and human-readable display name for the Instance.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string display_name = 2;</code>
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
-     * @param value The displayName to set.
-     * @return This builder for chaining.
+     * @return Whether the updateTime field is set.
      */
-    public Builder setDisplayName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      displayName_ = value;
-      bitField0_ |= 0x00000002;
-      onChanged();
-      return this;
+    public boolean hasUpdateTime() {
+      return ((bitField0_ & 0x00000010) != 0);
     }
     /**
      *
      *
      * <pre>
-     * User-settable and human-readable display name for the Instance.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string display_name = 2;</code>
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
-     * @return This builder for chaining.
+     * @return The updateTime.
      */
-    public Builder clearDisplayName() {
-      displayName_ = getDefaultInstance().getDisplayName();
-      bitField0_ = (bitField0_ & ~0x00000002);
-      onChanged();
-      return this;
+    public com.google.protobuf.Timestamp getUpdateTime() {
+      if (updateTimeBuilder_ == null) {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      } else {
+        return updateTimeBuilder_.getMessage();
+      }
     }
     /**
      *
      *
      * <pre>
-     * User-settable and human-readable display name for the Instance.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string display_name = 2;</code>
-     *
-     * @param value The bytes for displayName to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        updateTime_ = value;
+      } else {
+        updateTimeBuilder_.setMessage(value);
       }
-      checkByteStringIsUtf8(value);
-      displayName_ = value;
-      bitField0_ |= 0x00000002;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
-
-    private java.lang.Object uid_ = "";
     /**
      *
      *
      * <pre>
-     * Output only. The system-generated UID of the resource. The UID is assigned
-     * when the resource is created, and it is retained until it is deleted.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return The uid.
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public java.lang.String getUid() {
-      java.lang.Object ref = uid_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        uid_ = s;
-        return s;
+    public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (updateTimeBuilder_ == null) {
+        updateTime_ = builderForValue.build();
       } else {
-        return (java.lang.String) ref;
+        updateTimeBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. The system-generated UID of the resource. The UID is assigned
-     * when the resource is created, and it is retained until it is deleted.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return The bytes for uid.
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public com.google.protobuf.ByteString getUidBytes() {
-      java.lang.Object ref = uid_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        uid_ = b;
-        return b;
+    public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && updateTime_ != null
+            && updateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getUpdateTimeBuilder().mergeFrom(value);
+        } else {
+          updateTime_ = value;
+        }
       } else {
-        return (com.google.protobuf.ByteString) ref;
+        updateTimeBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. The system-generated UID of the resource. The UID is assigned
-     * when the resource is created, and it is retained until it is deleted.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @param value The uid to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setUid(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder clearUpdateTime() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      updateTime_ = null;
+      if (updateTimeBuilder_ != null) {
+        updateTimeBuilder_.dispose();
+        updateTimeBuilder_ = null;
       }
-      uid_ = value;
-      bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
@@ -8686,109 +14959,131 @@ public Builder setUid(java.lang.String value) {
      *
      *
      * <pre>
-     * Output only. The system-generated UID of the resource. The UID is assigned
-     * when the resource is created, and it is retained until it is deleted.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return getUpdateTimeFieldBuilder().getBuilder();
+    }
+    /**
      *
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * Output only. Update time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder clearUid() {
-      uid_ = getDefaultInstance().getUid();
-      bitField0_ = (bitField0_ & ~0x00000004);
-      onChanged();
-      return this;
+    public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
+      if (updateTimeBuilder_ != null) {
+        return updateTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      }
     }
     /**
      *
      *
      * <pre>
-     * Output only. The system-generated UID of the resource. The UID is assigned
-     * when the resource is created, and it is retained until it is deleted.
+     * Output only. Update time stamp
      * </pre>
      *
-     * <code>string uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @param value The bytes for uid to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setUidBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        getUpdateTimeFieldBuilder() {
+      if (updateTimeBuilder_ == null) {
+        updateTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getUpdateTime(), getParentForChildren(), isClean());
+        updateTime_ = null;
       }
-      checkByteStringIsUtf8(value);
-      uid_ = value;
-      bitField0_ |= 0x00000004;
-      onChanged();
-      return this;
+      return updateTimeBuilder_;
     }
 
-    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.Timestamp deleteTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        createTimeBuilder_;
+        deleteTimeBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      *
-     * @return Whether the createTime field is set.
+     * @return Whether the deleteTime field is set.
      */
-    public boolean hasCreateTime() {
-      return ((bitField0_ & 0x00000008) != 0);
+    public boolean hasDeleteTime() {
+      return ((bitField0_ & 0x00000020) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      *
-     * @return The createTime.
+     * @return The deleteTime.
      */
-    public com.google.protobuf.Timestamp getCreateTime() {
-      if (createTimeBuilder_ == null) {
-        return createTime_ == null
+    public com.google.protobuf.Timestamp getDeleteTime() {
+      if (deleteTimeBuilder_ == null) {
+        return deleteTime_ == null
             ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : createTime_;
+            : deleteTime_;
       } else {
-        return createTimeBuilder_.getMessage();
+        return deleteTimeBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
-      if (createTimeBuilder_ == null) {
+    public Builder setDeleteTime(com.google.protobuf.Timestamp value) {
+      if (deleteTimeBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        createTime_ = value;
+        deleteTime_ = value;
       } else {
-        createTimeBuilder_.setMessage(value);
+        deleteTimeBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -8796,20 +15091,20 @@ public Builder setCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
-      if (createTimeBuilder_ == null) {
-        createTime_ = builderForValue.build();
+    public Builder setDeleteTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (deleteTimeBuilder_ == null) {
+        deleteTime_ = builderForValue.build();
       } else {
-        createTimeBuilder_.setMessage(builderForValue.build());
+        deleteTimeBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -8817,26 +15112,26 @@ public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForVal
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
-      if (createTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
-            && createTime_ != null
-            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
-          getCreateTimeBuilder().mergeFrom(value);
+    public Builder mergeDeleteTime(com.google.protobuf.Timestamp value) {
+      if (deleteTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && deleteTime_ != null
+            && deleteTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getDeleteTimeBuilder().mergeFrom(value);
         } else {
-          createTime_ = value;
+          deleteTime_ = value;
         }
       } else {
-        createTimeBuilder_.mergeFrom(value);
+        deleteTimeBuilder_.mergeFrom(value);
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -8844,19 +15139,19 @@ public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public Builder clearCreateTime() {
-      bitField0_ = (bitField0_ & ~0x00000008);
-      createTime_ = null;
-      if (createTimeBuilder_ != null) {
-        createTimeBuilder_.dispose();
-        createTimeBuilder_ = null;
+    public Builder clearDeleteTime() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      deleteTime_ = null;
+      if (deleteTimeBuilder_ != null) {
+        deleteTimeBuilder_.dispose();
+        deleteTimeBuilder_ = null;
       }
       onChanged();
       return this;
@@ -8865,179 +15160,264 @@ public Builder clearCreateTime() {
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Output only. Delete time stamp
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
-      bitField0_ |= 0x00000008;
+    public com.google.protobuf.Timestamp.Builder getDeleteTimeBuilder() {
+      bitField0_ |= 0x00000020;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return getDeleteTimeFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Delete time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getDeleteTimeOrBuilder() {
+      if (deleteTimeBuilder_ != null) {
+        return deleteTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return deleteTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : deleteTime_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Delete time stamp
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        getDeleteTimeFieldBuilder() {
+      if (deleteTimeBuilder_ == null) {
+        deleteTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getDeleteTime(), getParentForChildren(), isClean());
+        deleteTime_ = null;
+      }
+      return deleteTimeBuilder_;
+    }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
+      if (labels_ == null) {
+        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      return labels_;
+    }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetMutableLabels() {
+      if (labels_ == null) {
+        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      if (!labels_.isMutable()) {
+        labels_ = labels_.copy();
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return labels_;
+    }
+
+    public int getLabelsCount() {
+      return internalGetLabels().getMap().size();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Labels as key value pairs
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 7;</code>
+     */
+    @java.lang.Override
+    public boolean containsLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetLabels().getMap().containsKey(key);
+    }
+    /** Use {@link #getLabelsMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getLabels() {
+      return getLabelsMap();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Labels as key value pairs
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 7;</code>
+     */
+    @java.lang.Override
+    public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
+      return internalGetLabels().getMap();
     }
     /**
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Labels as key value pairs
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>map&lt;string, string&gt; labels = 7;</code>
      */
-    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
-      if (createTimeBuilder_ != null) {
-        return createTimeBuilder_.getMessageOrBuilder();
-      } else {
-        return createTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : createTime_;
+    @java.lang.Override
+    public /* nullable */ java.lang.String getLabelsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        java.lang.String defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+      return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Create time stamp
+     * Labels as key value pairs
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>map&lt;string, string&gt; labels = 7;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
-      if (createTimeBuilder_ == null) {
-        createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getCreateTime(), getParentForChildren(), isClean());
-        createTime_ = null;
+    @java.lang.Override
+    public java.lang.String getLabelsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      return createTimeBuilder_;
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return map.get(key);
     }
 
-    private com.google.protobuf.Timestamp updateTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        updateTimeBuilder_;
+    public Builder clearLabels() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      internalGetMutableLabels().getMutableMap().clear();
+      return this;
+    }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Labels as key value pairs
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
-     *
-     * @return Whether the updateTime field is set.
+     * <code>map&lt;string, string&gt; labels = 7;</code>
      */
-    public boolean hasUpdateTime() {
-      return ((bitField0_ & 0x00000010) != 0);
+    public Builder removeLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      internalGetMutableLabels().getMutableMap().remove(key);
+      return this;
+    }
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getMutableLabels() {
+      bitField0_ |= 0x00000040;
+      return internalGetMutableLabels().getMutableMap();
     }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Labels as key value pairs
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
-     *
-     * @return The updateTime.
+     * <code>map&lt;string, string&gt; labels = 7;</code>
      */
-    public com.google.protobuf.Timestamp getUpdateTime() {
-      if (updateTimeBuilder_ == null) {
-        return updateTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : updateTime_;
-      } else {
-        return updateTimeBuilder_.getMessage();
+    public Builder putLabels(java.lang.String key, java.lang.String value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableLabels().getMutableMap().put(key, value);
+      bitField0_ |= 0x00000040;
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Labels as key value pairs
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>map&lt;string, string&gt; labels = 7;</code>
      */
-    public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
-      if (updateTimeBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        updateTime_ = value;
-      } else {
-        updateTimeBuilder_.setMessage(value);
-      }
-      bitField0_ |= 0x00000010;
-      onChanged();
+    public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> values) {
+      internalGetMutableLabels().getMutableMap().putAll(values);
+      bitField0_ |= 0x00000040;
       return this;
     }
+
+    private int state_ = 0;
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Output only. The current serving state of the instance.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return The enum numeric value on the wire for state.
      */
-    public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
-      if (updateTimeBuilder_ == null) {
-        updateTime_ = builderForValue.build();
-      } else {
-        updateTimeBuilder_.setMessage(builderForValue.build());
-      }
-      bitField0_ |= 0x00000010;
-      onChanged();
-      return this;
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Output only. The current serving state of the instance.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
      */
-    public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
-      if (updateTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && updateTime_ != null
-            && updateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
-          getUpdateTimeBuilder().mergeFrom(value);
-        } else {
-          updateTime_ = value;
-        }
-      } else {
-        updateTimeBuilder_.mergeFrom(value);
-      }
-      bitField0_ |= 0x00000010;
+    public Builder setStateValue(int value) {
+      state_ = value;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -9045,152 +15425,143 @@ public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Output only. The current serving state of the instance.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return The state.
      */
-    public Builder clearUpdateTime() {
-      bitField0_ = (bitField0_ & ~0x00000010);
-      updateTime_ = null;
-      if (updateTimeBuilder_ != null) {
-        updateTimeBuilder_.dispose();
-        updateTimeBuilder_ = null;
-      }
-      onChanged();
-      return this;
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.State getState() {
+      com.google.cloud.alloydb.v1alpha.Instance.State result =
+          com.google.cloud.alloydb.v1alpha.Instance.State.forNumber(state_);
+      return result == null ? com.google.cloud.alloydb.v1alpha.Instance.State.UNRECOGNIZED : result;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Output only. The current serving state of the instance.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
      */
-    public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
-      bitField0_ |= 0x00000010;
+    public Builder setState(com.google.cloud.alloydb.v1alpha.Instance.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000080;
+      state_ = value.getNumber();
       onChanged();
-      return getUpdateTimeFieldBuilder().getBuilder();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Output only. The current serving state of the instance.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return This builder for chaining.
      */
-    public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
-      if (updateTimeBuilder_ != null) {
-        return updateTimeBuilder_.getMessageOrBuilder();
-      } else {
-        return updateTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : updateTime_;
-      }
+    public Builder clearState() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      state_ = 0;
+      onChanged();
+      return this;
     }
+
+    private int instanceType_ = 0;
     /**
      *
      *
      * <pre>
-     * Output only. Update time stamp
+     * Required. The type of the instance. Specified at creation time.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
      * </code>
-     */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        getUpdateTimeFieldBuilder() {
-      if (updateTimeBuilder_ == null) {
-        updateTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getUpdateTime(), getParentForChildren(), isClean());
-        updateTime_ = null;
-      }
-      return updateTimeBuilder_;
+     *
+     * @return The enum numeric value on the wire for instanceType.
+     */
+    @java.lang.Override
+    public int getInstanceTypeValue() {
+      return instanceType_;
     }
-
-    private com.google.protobuf.Timestamp deleteTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        deleteTimeBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Required. The type of the instance. Specified at creation time.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      *
-     * @return Whether the deleteTime field is set.
+     * @param value The enum numeric value on the wire for instanceType to set.
+     * @return This builder for chaining.
      */
-    public boolean hasDeleteTime() {
-      return ((bitField0_ & 0x00000020) != 0);
+    public Builder setInstanceTypeValue(int value) {
+      instanceType_ = value;
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Required. The type of the instance. Specified at creation time.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      *
-     * @return The deleteTime.
+     * @return The instanceType.
      */
-    public com.google.protobuf.Timestamp getDeleteTime() {
-      if (deleteTimeBuilder_ == null) {
-        return deleteTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : deleteTime_;
-      } else {
-        return deleteTimeBuilder_.getMessage();
-      }
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceType getInstanceType() {
+      com.google.cloud.alloydb.v1alpha.Instance.InstanceType result =
+          com.google.cloud.alloydb.v1alpha.Instance.InstanceType.forNumber(instanceType_);
+      return result == null
+          ? com.google.cloud.alloydb.v1alpha.Instance.InstanceType.UNRECOGNIZED
+          : result;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Required. The type of the instance. Specified at creation time.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
      * </code>
+     *
+     * @param value The instanceType to set.
+     * @return This builder for chaining.
      */
-    public Builder setDeleteTime(com.google.protobuf.Timestamp value) {
-      if (deleteTimeBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        deleteTime_ = value;
-      } else {
-        deleteTimeBuilder_.setMessage(value);
+    public Builder setInstanceType(com.google.cloud.alloydb.v1alpha.Instance.InstanceType value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000100;
+      instanceType_ = value.getNumber();
       onChanged();
       return this;
     }
@@ -9198,68 +15569,84 @@ public Builder setDeleteTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Required. The type of the instance. Specified at creation time.
      * </pre>
      *
      * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
      * </code>
+     *
+     * @return This builder for chaining.
      */
-    public Builder setDeleteTime(com.google.protobuf.Timestamp.Builder builderForValue) {
-      if (deleteTimeBuilder_ == null) {
-        deleteTime_ = builderForValue.build();
-      } else {
-        deleteTimeBuilder_.setMessage(builderForValue.build());
-      }
-      bitField0_ |= 0x00000020;
+    public Builder clearInstanceType() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      instanceType_ = 0;
       onChanged();
       return this;
     }
+
+    private com.google.cloud.alloydb.v1alpha.Instance.MachineConfig machineConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>
+        machineConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     *
+     * @return Whether the machineConfig field is set.
      */
-    public Builder mergeDeleteTime(com.google.protobuf.Timestamp value) {
-      if (deleteTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000020) != 0)
-            && deleteTime_ != null
-            && deleteTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
-          getDeleteTimeBuilder().mergeFrom(value);
-        } else {
-          deleteTime_ = value;
-        }
+    public boolean hasMachineConfig() {
+      return ((bitField0_ & 0x00000200) != 0);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Configurations for the machines that host the underlying
+     * database engine.
+     * </pre>
+     *
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     *
+     * @return The machineConfig.
+     */
+    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfig getMachineConfig() {
+      if (machineConfigBuilder_ == null) {
+        return machineConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()
+            : machineConfig_;
       } else {
-        deleteTimeBuilder_.mergeFrom(value);
+        return machineConfigBuilder_.getMessage();
       }
-      bitField0_ |= 0x00000020;
-      onChanged();
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    public Builder clearDeleteTime() {
-      bitField0_ = (bitField0_ & ~0x00000020);
-      deleteTime_ = null;
-      if (deleteTimeBuilder_ != null) {
-        deleteTimeBuilder_.dispose();
-        deleteTimeBuilder_ = null;
+    public Builder setMachineConfig(com.google.cloud.alloydb.v1alpha.Instance.MachineConfig value) {
+      if (machineConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        machineConfig_ = value;
+      } else {
+        machineConfigBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -9267,264 +15654,330 @@ public Builder clearDeleteTime() {
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    public com.google.protobuf.Timestamp.Builder getDeleteTimeBuilder() {
-      bitField0_ |= 0x00000020;
+    public Builder setMachineConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder builderForValue) {
+      if (machineConfigBuilder_ == null) {
+        machineConfig_ = builderForValue.build();
+      } else {
+        machineConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000200;
       onChanged();
-      return getDeleteTimeFieldBuilder().getBuilder();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    public com.google.protobuf.TimestampOrBuilder getDeleteTimeOrBuilder() {
-      if (deleteTimeBuilder_ != null) {
-        return deleteTimeBuilder_.getMessageOrBuilder();
+    public Builder mergeMachineConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.MachineConfig value) {
+      if (machineConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000200) != 0)
+            && machineConfig_ != null
+            && machineConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()) {
+          getMachineConfigBuilder().mergeFrom(value);
+        } else {
+          machineConfig_ = value;
+        }
       } else {
-        return deleteTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : deleteTime_;
+        machineConfigBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. Delete time stamp
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>
-     * .google.protobuf.Timestamp delete_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        getDeleteTimeFieldBuilder() {
-      if (deleteTimeBuilder_ == null) {
-        deleteTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getDeleteTime(), getParentForChildren(), isClean());
-        deleteTime_ = null;
-      }
-      return deleteTimeBuilder_;
-    }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
-      if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
-      }
-      return labels_;
-    }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
-        internalGetMutableLabels() {
-      if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
-      }
-      if (!labels_.isMutable()) {
-        labels_ = labels_.copy();
+    public Builder clearMachineConfig() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      machineConfig_ = null;
+      if (machineConfigBuilder_ != null) {
+        machineConfigBuilder_.dispose();
+        machineConfigBuilder_ = null;
       }
-      bitField0_ |= 0x00000040;
-      onChanged();
-      return labels_;
-    }
-
-    public int getLabelsCount() {
-      return internalGetLabels().getMap().size();
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      return internalGetLabels().getMap().containsKey(key);
-    }
-    /** Use {@link #getLabelsMap()} instead. */
-    @java.lang.Override
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getLabels() {
-      return getLabelsMap();
+    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder
+        getMachineConfigBuilder() {
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return getMachineConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    @java.lang.Override
-    public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
-      return internalGetLabels().getMap();
+    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder
+        getMachineConfigOrBuilder() {
+      if (machineConfigBuilder_ != null) {
+        return machineConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return machineConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()
+            : machineConfig_;
+      }
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Configurations for the machines that host the underlying
+     * database engine.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
      */
-    @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
-        java.lang.String key,
-        /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>
+        getMachineConfigFieldBuilder() {
+      if (machineConfigBuilder_ == null) {
+        machineConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>(
+                getMachineConfig(), getParentForChildren(), isClean());
+        machineConfig_ = null;
       }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
-      return map.containsKey(key) ? map.get(key) : defaultValue;
+      return machineConfigBuilder_;
     }
+
+    private int availabilityType_ = 0;
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Availability type of an Instance.
+     * If empty, defaults to REGIONAL for primary instances.
+     * For read pools, availability_type is always UNSPECIFIED. Instances in the
+     * read pools are evenly distributed across available zones within the region
+     * (i.e. read pools with more than one node will have a node in at
+     * least two zones).
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
+     *
+     * @return The enum numeric value on the wire for availabilityType.
      */
     @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
-      if (!map.containsKey(key)) {
-        throw new java.lang.IllegalArgumentException();
-      }
-      return map.get(key);
-    }
-
-    public Builder clearLabels() {
-      bitField0_ = (bitField0_ & ~0x00000040);
-      internalGetMutableLabels().getMutableMap().clear();
-      return this;
+    public int getAvailabilityTypeValue() {
+      return availabilityType_;
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Availability type of an Instance.
+     * If empty, defaults to REGIONAL for primary instances.
+     * For read pools, availability_type is always UNSPECIFIED. Instances in the
+     * read pools are evenly distributed across available zones within the region
+     * (i.e. read pools with more than one node will have a node in at
+     * least two zones).
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
+     *
+     * @param value The enum numeric value on the wire for availabilityType to set.
+     * @return This builder for chaining.
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder setAvailabilityTypeValue(int value) {
+      availabilityType_ = value;
+      bitField0_ |= 0x00000400;
+      onChanged();
       return this;
     }
-    /** Use alternate mutation accessors instead. */
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getMutableLabels() {
-      bitField0_ |= 0x00000040;
-      return internalGetMutableLabels().getMutableMap();
+    /**
+     *
+     *
+     * <pre>
+     * Availability type of an Instance.
+     * If empty, defaults to REGIONAL for primary instances.
+     * For read pools, availability_type is always UNSPECIFIED. Instances in the
+     * read pools are evenly distributed across available zones within the region
+     * (i.e. read pools with more than one node will have a node in at
+     * least two zones).
+     * </pre>
+     *
+     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
+     *
+     * @return The availabilityType.
+     */
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType getAvailabilityType() {
+      com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType result =
+          com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType.forNumber(availabilityType_);
+      return result == null
+          ? com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType.UNRECOGNIZED
+          : result;
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Availability type of an Instance.
+     * If empty, defaults to REGIONAL for primary instances.
+     * For read pools, availability_type is always UNSPECIFIED. Instances in the
+     * read pools are evenly distributed across available zones within the region
+     * (i.e. read pools with more than one node will have a node in at
+     * least two zones).
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
+     *
+     * @param value The availabilityType to set.
+     * @return This builder for chaining.
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public Builder setAvailabilityType(
+        com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType value) {
       if (value == null) {
-        throw new NullPointerException("map value");
+        throw new NullPointerException();
       }
-      internalGetMutableLabels().getMutableMap().put(key, value);
-      bitField0_ |= 0x00000040;
+      bitField0_ |= 0x00000400;
+      availabilityType_ = value.getNumber();
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Labels as key value pairs
+     * Availability type of an Instance.
+     * If empty, defaults to REGIONAL for primary instances.
+     * For read pools, availability_type is always UNSPECIFIED. Instances in the
+     * read pools are evenly distributed across available zones within the region
+     * (i.e. read pools with more than one node will have a node in at
+     * least two zones).
      * </pre>
      *
-     * <code>map&lt;string, string&gt; labels = 7;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
+     *
+     * @return This builder for chaining.
      */
-    public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
-      bitField0_ |= 0x00000040;
+    public Builder clearAvailabilityType() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      availabilityType_ = 0;
+      onChanged();
       return this;
     }
 
-    private int state_ = 0;
+    private java.lang.Object gceZone_ = "";
     /**
      *
      *
      * <pre>
-     * Output only. The current serving state of the instance.
+     * The Compute Engine zone that the instance should serve from, per
+     * https://cloud.google.com/compute/docs/regions-zones
+     * This can ONLY be specified for ZONAL instances.
+     * If present for a REGIONAL instance, an error will be thrown.
+     * If this is absent for a ZONAL instance, instance is created in a random
+     * zone with available capacity.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string gce_zone = 12;</code>
      *
-     * @return The enum numeric value on the wire for state.
+     * @return The gceZone.
      */
-    @java.lang.Override
-    public int getStateValue() {
-      return state_;
+    public java.lang.String getGceZone() {
+      java.lang.Object ref = gceZone_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        gceZone_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
     }
     /**
      *
      *
      * <pre>
-     * Output only. The current serving state of the instance.
+     * The Compute Engine zone that the instance should serve from, per
+     * https://cloud.google.com/compute/docs/regions-zones
+     * This can ONLY be specified for ZONAL instances.
+     * If present for a REGIONAL instance, an error will be thrown.
+     * If this is absent for a ZONAL instance, instance is created in a random
+     * zone with available capacity.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string gce_zone = 12;</code>
+     *
+     * @return The bytes for gceZone.
+     */
+    public com.google.protobuf.ByteString getGceZoneBytes() {
+      java.lang.Object ref = gceZone_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        gceZone_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The Compute Engine zone that the instance should serve from, per
+     * https://cloud.google.com/compute/docs/regions-zones
+     * This can ONLY be specified for ZONAL instances.
+     * If present for a REGIONAL instance, an error will be thrown.
+     * If this is absent for a ZONAL instance, instance is created in a random
+     * zone with available capacity.
+     * </pre>
+     *
+     * <code>string gce_zone = 12;</code>
      *
-     * @param value The enum numeric value on the wire for state to set.
+     * @param value The gceZone to set.
      * @return This builder for chaining.
      */
-    public Builder setStateValue(int value) {
-      state_ = value;
-      bitField0_ |= 0x00000080;
+    public Builder setGceZone(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      gceZone_ = value;
+      bitField0_ |= 0x00000800;
       onChanged();
       return this;
     }
@@ -9532,249 +15985,377 @@ public Builder setStateValue(int value) {
      *
      *
      * <pre>
-     * Output only. The current serving state of the instance.
+     * The Compute Engine zone that the instance should serve from, per
+     * https://cloud.google.com/compute/docs/regions-zones
+     * This can ONLY be specified for ZONAL instances.
+     * If present for a REGIONAL instance, an error will be thrown.
+     * If this is absent for a ZONAL instance, instance is created in a random
+     * zone with available capacity.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string gce_zone = 12;</code>
      *
-     * @return The state.
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public com.google.cloud.alloydb.v1alpha.Instance.State getState() {
-      com.google.cloud.alloydb.v1alpha.Instance.State result =
-          com.google.cloud.alloydb.v1alpha.Instance.State.forNumber(state_);
-      return result == null ? com.google.cloud.alloydb.v1alpha.Instance.State.UNRECOGNIZED : result;
+    public Builder clearGceZone() {
+      gceZone_ = getDefaultInstance().getGceZone();
+      bitField0_ = (bitField0_ & ~0x00000800);
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. The current serving state of the instance.
+     * The Compute Engine zone that the instance should serve from, per
+     * https://cloud.google.com/compute/docs/regions-zones
+     * This can ONLY be specified for ZONAL instances.
+     * If present for a REGIONAL instance, an error will be thrown.
+     * If this is absent for a ZONAL instance, instance is created in a random
+     * zone with available capacity.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string gce_zone = 12;</code>
      *
-     * @param value The state to set.
+     * @param value The bytes for gceZone to set.
      * @return This builder for chaining.
      */
-    public Builder setState(com.google.cloud.alloydb.v1alpha.Instance.State value) {
+    public Builder setGceZoneBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      bitField0_ |= 0x00000080;
-      state_ = value.getNumber();
+      checkByteStringIsUtf8(value);
+      gceZone_ = value;
+      bitField0_ |= 0x00000800;
       onChanged();
       return this;
     }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> databaseFlags_;
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetDatabaseFlags() {
+      if (databaseFlags_ == null) {
+        return com.google.protobuf.MapField.emptyMapField(
+            DatabaseFlagsDefaultEntryHolder.defaultEntry);
+      }
+      return databaseFlags_;
+    }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetMutableDatabaseFlags() {
+      if (databaseFlags_ == null) {
+        databaseFlags_ =
+            com.google.protobuf.MapField.newMapField(DatabaseFlagsDefaultEntryHolder.defaultEntry);
+      }
+      if (!databaseFlags_.isMutable()) {
+        databaseFlags_ = databaseFlags_.copy();
+      }
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return databaseFlags_;
+    }
+
+    public int getDatabaseFlagsCount() {
+      return internalGetDatabaseFlags().getMap().size();
+    }
     /**
      *
      *
      * <pre>
-     * Output only. The current serving state of the instance.
-     * </pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.State state = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
      *
-     * @return This builder for chaining.
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
-    public Builder clearState() {
-      bitField0_ = (bitField0_ & ~0x00000080);
-      state_ = 0;
-      onChanged();
-      return this;
+    @java.lang.Override
+    public boolean containsDatabaseFlags(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetDatabaseFlags().getMap().containsKey(key);
+    }
+    /** Use {@link #getDatabaseFlagsMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getDatabaseFlags() {
+      return getDatabaseFlagsMap();
     }
-
-    private int instanceType_ = 0;
     /**
      *
      *
      * <pre>
-     * Required. The type of the instance. Specified at creation time.
-     * </pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
-     * </code>
      *
-     * @return The enum numeric value on the wire for instanceType.
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
     @java.lang.Override
-    public int getInstanceTypeValue() {
-      return instanceType_;
+    public java.util.Map<java.lang.String, java.lang.String> getDatabaseFlagsMap() {
+      return internalGetDatabaseFlags().getMap();
     }
     /**
      *
      *
      * <pre>
-     * Required. The type of the instance. Specified at creation time.
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
+     *
+     *
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
-     * </code>
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     */
+    @java.lang.Override
+    public /* nullable */ java.lang.String getDatabaseFlagsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        java.lang.String defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetDatabaseFlags().getMap();
+      return map.containsKey(key) ? map.get(key) : defaultValue;
+    }
+    /**
      *
-     * @param value The enum numeric value on the wire for instanceType to set.
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
+     *
+     *
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
-    public Builder setInstanceTypeValue(int value) {
-      instanceType_ = value;
-      bitField0_ |= 0x00000100;
-      onChanged();
+    @java.lang.Override
+    public java.lang.String getDatabaseFlagsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetDatabaseFlags().getMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return map.get(key);
+    }
+
+    public Builder clearDatabaseFlags() {
+      bitField0_ = (bitField0_ & ~0x00001000);
+      internalGetMutableDatabaseFlags().getMutableMap().clear();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Required. The type of the instance. Specified at creation time.
-     * </pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
-     * </code>
      *
-     * @return The instanceType.
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
-    @java.lang.Override
-    public com.google.cloud.alloydb.v1alpha.Instance.InstanceType getInstanceType() {
-      com.google.cloud.alloydb.v1alpha.Instance.InstanceType result =
-          com.google.cloud.alloydb.v1alpha.Instance.InstanceType.forNumber(instanceType_);
-      return result == null
-          ? com.google.cloud.alloydb.v1alpha.Instance.InstanceType.UNRECOGNIZED
-          : result;
+    public Builder removeDatabaseFlags(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      internalGetMutableDatabaseFlags().getMutableMap().remove(key);
+      return this;
+    }
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getMutableDatabaseFlags() {
+      bitField0_ |= 0x00001000;
+      return internalGetMutableDatabaseFlags().getMutableMap();
     }
     /**
      *
      *
      * <pre>
-     * Required. The type of the instance. Specified at creation time.
-     * </pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
-     * </code>
      *
-     * @param value The instanceType to set.
-     * @return This builder for chaining.
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
-    public Builder setInstanceType(com.google.cloud.alloydb.v1alpha.Instance.InstanceType value) {
+    public Builder putDatabaseFlags(java.lang.String key, java.lang.String value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
       if (value == null) {
-        throw new NullPointerException();
+        throw new NullPointerException("map value");
       }
-      bitField0_ |= 0x00000100;
-      instanceType_ = value.getNumber();
-      onChanged();
+      internalGetMutableDatabaseFlags().getMutableMap().put(key, value);
+      bitField0_ |= 0x00001000;
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Required. The type of the instance. Specified at creation time.
-     * </pre>
+     * Database flags. Set at instance level.
+     *  * They are copied from primary instance on read instance creation.
+     *  * Read instances can set new or override existing flags that are relevant
+     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
+     *    set on read instance may or may not be present on primary.
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.InstanceType instance_type = 9 [(.google.api.field_behavior) = REQUIRED];
-     * </code>
      *
-     * @return This builder for chaining.
+     * This is a list of "key": "value" pairs.
+     * "key": The name of the flag. These flags are passed at instance setup time,
+     * so include both server options and system variables for Postgres. Flags are
+     * specified with underscores, not hyphens.
+     * "value": The value of the flag. Booleans are set to **on** for true
+     * and **off** for false. This field must be omitted if the flag
+     * doesn't take a value.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; database_flags = 13;</code>
      */
-    public Builder clearInstanceType() {
-      bitField0_ = (bitField0_ & ~0x00000100);
-      instanceType_ = 0;
-      onChanged();
+    public Builder putAllDatabaseFlags(java.util.Map<java.lang.String, java.lang.String> values) {
+      internalGetMutableDatabaseFlags().getMutableMap().putAll(values);
+      bitField0_ |= 0x00001000;
       return this;
     }
 
-    private com.google.cloud.alloydb.v1alpha.Instance.MachineConfig machineConfig_;
+    private com.google.cloud.alloydb.v1alpha.Instance.Node writableNode_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>
-        machineConfigBuilder_;
+            com.google.cloud.alloydb.v1alpha.Instance.Node,
+            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
+        writableNodeBuilder_;
     /**
      *
      *
      * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
-     * @return Whether the machineConfig field is set.
+     * @return Whether the writableNode field is set.
      */
-    public boolean hasMachineConfig() {
-      return ((bitField0_ & 0x00000200) != 0);
+    public boolean hasWritableNode() {
+      return ((bitField0_ & 0x00002000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      *
-     * @return The machineConfig.
+     * @return The writableNode.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfig getMachineConfig() {
-      if (machineConfigBuilder_ == null) {
-        return machineConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()
-            : machineConfig_;
+    public com.google.cloud.alloydb.v1alpha.Instance.Node getWritableNode() {
+      if (writableNodeBuilder_ == null) {
+        return writableNode_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()
+            : writableNode_;
       } else {
-        return machineConfigBuilder_.getMessage();
+        return writableNodeBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setMachineConfig(com.google.cloud.alloydb.v1alpha.Instance.MachineConfig value) {
-      if (machineConfigBuilder_ == null) {
+    public Builder setWritableNode(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
+      if (writableNodeBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        machineConfig_ = value;
-      } else {
-        machineConfigBuilder_.setMessage(value);
-      }
-      bitField0_ |= 0x00000200;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
-     * </pre>
-     *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
-     */
-    public Builder setMachineConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder builderForValue) {
-      if (machineConfigBuilder_ == null) {
-        machineConfig_ = builderForValue.build();
+        writableNode_ = value;
       } else {
-        machineConfigBuilder_.setMessage(builderForValue.build());
+        writableNodeBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000200;
+      bitField0_ |= 0x00002000;
       onChanged();
       return this;
     }
@@ -9782,47 +16363,22 @@ public Builder setMachineConfig(
      *
      *
      * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder mergeMachineConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.MachineConfig value) {
-      if (machineConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000200) != 0)
-            && machineConfig_ != null
-            && machineConfig_
-                != com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()) {
-          getMachineConfigBuilder().mergeFrom(value);
-        } else {
-          machineConfig_ = value;
-        }
+    public Builder setWritableNode(
+        com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
+      if (writableNodeBuilder_ == null) {
+        writableNode_ = builderForValue.build();
       } else {
-        machineConfigBuilder_.mergeFrom(value);
-      }
-      bitField0_ |= 0x00000200;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
-     * </pre>
-     *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
-     */
-    public Builder clearMachineConfig() {
-      bitField0_ = (bitField0_ & ~0x00000200);
-      machineConfig_ = null;
-      if (machineConfigBuilder_ != null) {
-        machineConfigBuilder_.dispose();
-        machineConfigBuilder_ = null;
+        writableNodeBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00002000;
       onChanged();
       return this;
     }
@@ -9830,713 +16386,593 @@ public Builder clearMachineConfig() {
      *
      *
      * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
-     * </pre>
-     *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
-     */
-    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder
-        getMachineConfigBuilder() {
-      bitField0_ |= 0x00000200;
-      onChanged();
-      return getMachineConfigFieldBuilder().getBuilder();
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
-     * </pre>
-     *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
-     */
-    public com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder
-        getMachineConfigOrBuilder() {
-      if (machineConfigBuilder_ != null) {
-        return machineConfigBuilder_.getMessageOrBuilder();
-      } else {
-        return machineConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.getDefaultInstance()
-            : machineConfig_;
-      }
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Configurations for the machines that host the underlying
-     * database engine.
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.MachineConfig machine_config = 10;</code>
-     */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>
-        getMachineConfigFieldBuilder() {
-      if (machineConfigBuilder_ == null) {
-        machineConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.MachineConfig,
-                com.google.cloud.alloydb.v1alpha.Instance.MachineConfig.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.MachineConfigOrBuilder>(
-                getMachineConfig(), getParentForChildren(), isClean());
-        machineConfig_ = null;
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeWritableNode(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
+      if (writableNodeBuilder_ == null) {
+        if (((bitField0_ & 0x00002000) != 0)
+            && writableNode_ != null
+            && writableNode_
+                != com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()) {
+          getWritableNodeBuilder().mergeFrom(value);
+        } else {
+          writableNode_ = value;
+        }
+      } else {
+        writableNodeBuilder_.mergeFrom(value);
       }
-      return machineConfigBuilder_;
+      bitField0_ |= 0x00002000;
+      onChanged();
+      return this;
     }
-
-    private int availabilityType_ = 0;
     /**
      *
      *
      * <pre>
-     * Availability type of an Instance.
-     * If empty, defaults to REGIONAL for primary instances.
-     * For read pools, availability_type is always UNSPECIFIED. Instances in the
-     * read pools are evenly distributed across available zones within the region
-     * (i.e. read pools with more than one node will have a node in at
-     * least two zones).
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
-     *
-     * @return The enum numeric value on the wire for availabilityType.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public int getAvailabilityTypeValue() {
-      return availabilityType_;
+    public Builder clearWritableNode() {
+      bitField0_ = (bitField0_ & ~0x00002000);
+      writableNode_ = null;
+      if (writableNodeBuilder_ != null) {
+        writableNodeBuilder_.dispose();
+        writableNodeBuilder_ = null;
+      }
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Availability type of an Instance.
-     * If empty, defaults to REGIONAL for primary instances.
-     * For read pools, availability_type is always UNSPECIFIED. Instances in the
-     * read pools are evenly distributed across available zones within the region
-     * (i.e. read pools with more than one node will have a node in at
-     * least two zones).
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
-     *
-     * @param value The enum numeric value on the wire for availabilityType to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setAvailabilityTypeValue(int value) {
-      availabilityType_ = value;
-      bitField0_ |= 0x00000400;
+    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder getWritableNodeBuilder() {
+      bitField0_ |= 0x00002000;
       onChanged();
-      return this;
+      return getWritableNodeFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Availability type of an Instance.
-     * If empty, defaults to REGIONAL for primary instances.
-     * For read pools, availability_type is always UNSPECIFIED. Instances in the
-     * read pools are evenly distributed across available zones within the region
-     * (i.e. read pools with more than one node will have a node in at
-     * least two zones).
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
-     *
-     * @return The availabilityType.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType getAvailabilityType() {
-      com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType result =
-          com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType.forNumber(availabilityType_);
-      return result == null
-          ? com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType.UNRECOGNIZED
-          : result;
+    public com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder getWritableNodeOrBuilder() {
+      if (writableNodeBuilder_ != null) {
+        return writableNodeBuilder_.getMessageOrBuilder();
+      } else {
+        return writableNode_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()
+            : writableNode_;
+      }
     }
     /**
      *
      *
      * <pre>
-     * Availability type of an Instance.
-     * If empty, defaults to REGIONAL for primary instances.
-     * For read pools, availability_type is always UNSPECIFIED. Instances in the
-     * read pools are evenly distributed across available zones within the region
-     * (i.e. read pools with more than one node will have a node in at
-     * least two zones).
+     * Output only. This is set for the read-write VM of the PRIMARY instance
+     * only.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
-     *
-     * @param value The availabilityType to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setAvailabilityType(
-        com.google.cloud.alloydb.v1alpha.Instance.AvailabilityType value) {
-      if (value == null) {
-        throw new NullPointerException();
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.Node,
+            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
+        getWritableNodeFieldBuilder() {
+      if (writableNodeBuilder_ == null) {
+        writableNodeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.Node,
+                com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>(
+                getWritableNode(), getParentForChildren(), isClean());
+        writableNode_ = null;
+      }
+      return writableNodeBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node> nodes_ =
+        java.util.Collections.emptyList();
+
+    private void ensureNodesIsMutable() {
+      if (!((bitField0_ & 0x00004000) != 0)) {
+        nodes_ = new java.util.ArrayList<com.google.cloud.alloydb.v1alpha.Instance.Node>(nodes_);
+        bitField0_ |= 0x00004000;
       }
-      bitField0_ |= 0x00000400;
-      availabilityType_ = value.getNumber();
-      onChanged();
-      return this;
     }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.Node,
+            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
+        nodesBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Availability type of an Instance.
-     * If empty, defaults to REGIONAL for primary instances.
-     * For read pools, availability_type is always UNSPECIFIED. Instances in the
-     * read pools are evenly distributed across available zones within the region
-     * (i.e. read pools with more than one node will have a node in at
-     * least two zones).
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.AvailabilityType availability_type = 11;</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder clearAvailabilityType() {
-      bitField0_ = (bitField0_ & ~0x00000400);
-      availabilityType_ = 0;
-      onChanged();
-      return this;
+    public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node> getNodesList() {
+      if (nodesBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(nodes_);
+      } else {
+        return nodesBuilder_.getMessageList();
+      }
     }
-
-    private java.lang.Object gceZone_ = "";
     /**
      *
      *
      * <pre>
-     * The Compute Engine zone that the instance should serve from, per
-     * https://cloud.google.com/compute/docs/regions-zones
-     * This can ONLY be specified for ZONAL instances.
-     * If present for a REGIONAL instance, an error will be thrown.
-     * If this is absent for a ZONAL instance, instance is created in a random
-     * zone with available capacity.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>string gce_zone = 12;</code>
-     *
-     * @return The gceZone.
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public java.lang.String getGceZone() {
-      java.lang.Object ref = gceZone_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        gceZone_ = s;
-        return s;
+    public int getNodesCount() {
+      if (nodesBuilder_ == null) {
+        return nodes_.size();
       } else {
-        return (java.lang.String) ref;
+        return nodesBuilder_.getCount();
       }
     }
     /**
      *
      *
      * <pre>
-     * The Compute Engine zone that the instance should serve from, per
-     * https://cloud.google.com/compute/docs/regions-zones
-     * This can ONLY be specified for ZONAL instances.
-     * If present for a REGIONAL instance, an error will be thrown.
-     * If this is absent for a ZONAL instance, instance is created in a random
-     * zone with available capacity.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>string gce_zone = 12;</code>
-     *
-     * @return The bytes for gceZone.
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public com.google.protobuf.ByteString getGceZoneBytes() {
-      java.lang.Object ref = gceZone_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        gceZone_ = b;
-        return b;
+    public com.google.cloud.alloydb.v1alpha.Instance.Node getNodes(int index) {
+      if (nodesBuilder_ == null) {
+        return nodes_.get(index);
       } else {
-        return (com.google.protobuf.ByteString) ref;
+        return nodesBuilder_.getMessage(index);
       }
     }
     /**
      *
      *
      * <pre>
-     * The Compute Engine zone that the instance should serve from, per
-     * https://cloud.google.com/compute/docs/regions-zones
-     * This can ONLY be specified for ZONAL instances.
-     * If present for a REGIONAL instance, an error will be thrown.
-     * If this is absent for a ZONAL instance, instance is created in a random
-     * zone with available capacity.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>string gce_zone = 12;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setNodes(int index, com.google.cloud.alloydb.v1alpha.Instance.Node value) {
+      if (nodesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureNodesIsMutable();
+        nodes_.set(index, value);
+        onChanged();
+      } else {
+        nodesBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
      *
-     * @param value The gceZone to set.
-     * @return This builder for chaining.
+     * <pre>
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setGceZone(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder setNodes(
+        int index, com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
+      if (nodesBuilder_ == null) {
+        ensureNodesIsMutable();
+        nodes_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        nodesBuilder_.setMessage(index, builderForValue.build());
       }
-      gceZone_ = value;
-      bitField0_ |= 0x00000800;
-      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * The Compute Engine zone that the instance should serve from, per
-     * https://cloud.google.com/compute/docs/regions-zones
-     * This can ONLY be specified for ZONAL instances.
-     * If present for a REGIONAL instance, an error will be thrown.
-     * If this is absent for a ZONAL instance, instance is created in a random
-     * zone with available capacity.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>string gce_zone = 12;</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder clearGceZone() {
-      gceZone_ = getDefaultInstance().getGceZone();
-      bitField0_ = (bitField0_ & ~0x00000800);
-      onChanged();
+    public Builder addNodes(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
+      if (nodesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureNodesIsMutable();
+        nodes_.add(value);
+        onChanged();
+      } else {
+        nodesBuilder_.addMessage(value);
+      }
       return this;
     }
     /**
      *
      *
      * <pre>
-     * The Compute Engine zone that the instance should serve from, per
-     * https://cloud.google.com/compute/docs/regions-zones
-     * This can ONLY be specified for ZONAL instances.
-     * If present for a REGIONAL instance, an error will be thrown.
-     * If this is absent for a ZONAL instance, instance is created in a random
-     * zone with available capacity.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>string gce_zone = 12;</code>
-     *
-     * @param value The bytes for gceZone to set.
-     * @return This builder for chaining.
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder setGceZoneBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder addNodes(int index, com.google.cloud.alloydb.v1alpha.Instance.Node value) {
+      if (nodesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureNodesIsMutable();
+        nodes_.add(index, value);
+        onChanged();
+      } else {
+        nodesBuilder_.addMessage(index, value);
       }
-      checkByteStringIsUtf8(value);
-      gceZone_ = value;
-      bitField0_ |= 0x00000800;
-      onChanged();
       return this;
     }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String> databaseFlags_;
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
-        internalGetDatabaseFlags() {
-      if (databaseFlags_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(
-            DatabaseFlagsDefaultEntryHolder.defaultEntry);
-      }
-      return databaseFlags_;
-    }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
-        internalGetMutableDatabaseFlags() {
-      if (databaseFlags_ == null) {
-        databaseFlags_ =
-            com.google.protobuf.MapField.newMapField(DatabaseFlagsDefaultEntryHolder.defaultEntry);
-      }
-      if (!databaseFlags_.isMutable()) {
-        databaseFlags_ = databaseFlags_.copy();
-      }
-      bitField0_ |= 0x00001000;
-      onChanged();
-      return databaseFlags_;
-    }
-
-    public int getDatabaseFlagsCount() {
-      return internalGetDatabaseFlags().getMap().size();
-    }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public boolean containsDatabaseFlags(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    public Builder addNodes(
+        com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
+      if (nodesBuilder_ == null) {
+        ensureNodesIsMutable();
+        nodes_.add(builderForValue.build());
+        onChanged();
+      } else {
+        nodesBuilder_.addMessage(builderForValue.build());
       }
-      return internalGetDatabaseFlags().getMap().containsKey(key);
-    }
-    /** Use {@link #getDatabaseFlagsMap()} instead. */
-    @java.lang.Override
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getDatabaseFlags() {
-      return getDatabaseFlagsMap();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public java.util.Map<java.lang.String, java.lang.String> getDatabaseFlagsMap() {
-      return internalGetDatabaseFlags().getMap();
+    public Builder addNodes(
+        int index, com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
+      if (nodesBuilder_ == null) {
+        ensureNodesIsMutable();
+        nodes_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        nodesBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public /* nullable */ java.lang.String getDatabaseFlagsOrDefault(
-        java.lang.String key,
-        /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    public Builder addAllNodes(
+        java.lang.Iterable<? extends com.google.cloud.alloydb.v1alpha.Instance.Node> values) {
+      if (nodesBuilder_ == null) {
+        ensureNodesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, nodes_);
+        onChanged();
+      } else {
+        nodesBuilder_.addAllMessages(values);
       }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetDatabaseFlags().getMap();
-      return map.containsKey(key) ? map.get(key) : defaultValue;
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    @java.lang.Override
-    public java.lang.String getDatabaseFlagsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetDatabaseFlags().getMap();
-      if (!map.containsKey(key)) {
-        throw new java.lang.IllegalArgumentException();
+    public Builder clearNodes() {
+      if (nodesBuilder_ == null) {
+        nodes_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00004000);
+        onChanged();
+      } else {
+        nodesBuilder_.clear();
       }
-      return map.get(key);
-    }
-
-    public Builder clearDatabaseFlags() {
-      bitField0_ = (bitField0_ & ~0x00001000);
-      internalGetMutableDatabaseFlags().getMutableMap().clear();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder removeDatabaseFlags(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    public Builder removeNodes(int index) {
+      if (nodesBuilder_ == null) {
+        ensureNodesIsMutable();
+        nodes_.remove(index);
+        onChanged();
+      } else {
+        nodesBuilder_.remove(index);
       }
-      internalGetMutableDatabaseFlags().getMutableMap().remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getMutableDatabaseFlags() {
-      bitField0_ |= 0x00001000;
-      return internalGetMutableDatabaseFlags().getMutableMap();
-    }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder getNodesBuilder(int index) {
+      return getNodesFieldBuilder().getBuilder(index);
+    }
+    /**
      *
      *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * <pre>
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder putDatabaseFlags(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
+    public com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder getNodesOrBuilder(int index) {
+      if (nodesBuilder_ == null) {
+        return nodes_.get(index);
+      } else {
+        return nodesBuilder_.getMessageOrBuilder(index);
       }
-      internalGetMutableDatabaseFlags().getMutableMap().put(key, value);
-      bitField0_ |= 0x00001000;
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Database flags. Set at instance level.
-     *  * They are copied from primary instance on read instance creation.
-     *  * Read instances can set new or override existing flags that are relevant
-     *    for reads, e.g. for enabling columnar cache on a read instance. Flags
-     *    set on read instance may or may not be present on primary.
-     *
-     *
-     * This is a list of "key": "value" pairs.
-     * "key": The name of the flag. These flags are passed at instance setup time,
-     * so include both server options and system variables for Postgres. Flags are
-     * specified with underscores, not hyphens.
-     * "value": The value of the flag. Booleans are set to **on** for true
-     * and **off** for false. This field must be omitted if the flag
-     * doesn't take a value.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; database_flags = 13;</code>
+     * <code>
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public Builder putAllDatabaseFlags(java.util.Map<java.lang.String, java.lang.String> values) {
-      internalGetMutableDatabaseFlags().getMutableMap().putAll(values);
-      bitField0_ |= 0x00001000;
-      return this;
+    public java.util.List<? extends com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
+        getNodesOrBuilderList() {
+      if (nodesBuilder_ != null) {
+        return nodesBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(nodes_);
+      }
     }
-
-    private com.google.cloud.alloydb.v1alpha.Instance.Node writableNode_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.Node,
-            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
-        writableNodeBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
-     *
-     * @return Whether the writableNode field is set.
      */
-    public boolean hasWritableNode() {
-      return ((bitField0_ & 0x00002000) != 0);
+    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder addNodesBuilder() {
+      return getNodesFieldBuilder()
+          .addBuilder(com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance());
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
-     *
-     * @return The writableNode.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node getWritableNode() {
-      if (writableNodeBuilder_ == null) {
-        return writableNode_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()
-            : writableNode_;
-      } else {
-        return writableNodeBuilder_.getMessage();
-      }
+    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder addNodesBuilder(int index) {
+      return getNodesFieldBuilder()
+          .addBuilder(index, com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance());
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Output only. List of available read-only VMs in this instance, including
+     * the standby for a PRIMARY instance.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public Builder setWritableNode(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
-      if (writableNodeBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        writableNode_ = value;
-      } else {
-        writableNodeBuilder_.setMessage(value);
+    public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node.Builder>
+        getNodesBuilderList() {
+      return getNodesFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.Node,
+            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
+        getNodesFieldBuilder() {
+      if (nodesBuilder_ == null) {
+        nodesBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.Node,
+                com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>(
+                nodes_, ((bitField0_ & 0x00004000) != 0), getParentForChildren(), isClean());
+        nodes_ = null;
       }
-      bitField0_ |= 0x00002000;
-      onChanged();
-      return this;
+      return nodesBuilder_;
     }
+
+    private com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
+        queryInsightsConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>
+        queryInsightsConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
+     *
+     * @return Whether the queryInsightsConfig field is set.
      */
-    public Builder setWritableNode(
-        com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
-      if (writableNodeBuilder_ == null) {
-        writableNode_ = builderForValue.build();
-      } else {
-        writableNodeBuilder_.setMessage(builderForValue.build());
-      }
-      bitField0_ |= 0x00002000;
-      onChanged();
-      return this;
+    public boolean hasQueryInsightsConfig() {
+      return ((bitField0_ & 0x00008000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
+     *
+     * @return The queryInsightsConfig.
      */
-    public Builder mergeWritableNode(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
-      if (writableNodeBuilder_ == null) {
-        if (((bitField0_ & 0x00002000) != 0)
-            && writableNode_ != null
-            && writableNode_
-                != com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()) {
-          getWritableNodeBuilder().mergeFrom(value);
-        } else {
-          writableNode_ = value;
-        }
+    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
+        getQueryInsightsConfig() {
+      if (queryInsightsConfigBuilder_ == null) {
+        return queryInsightsConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
+                .getDefaultInstance()
+            : queryInsightsConfig_;
       } else {
-        writableNodeBuilder_.mergeFrom(value);
+        return queryInsightsConfigBuilder_.getMessage();
       }
-      bitField0_ |= 0x00002000;
-      onChanged();
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public Builder clearWritableNode() {
-      bitField0_ = (bitField0_ & ~0x00002000);
-      writableNode_ = null;
-      if (writableNodeBuilder_ != null) {
-        writableNodeBuilder_.dispose();
-        writableNodeBuilder_ = null;
+    public Builder setQueryInsightsConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig value) {
+      if (queryInsightsConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        queryInsightsConfig_ = value;
+      } else {
+        queryInsightsConfigBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00008000;
       onChanged();
       return this;
     }
@@ -10544,616 +16980,580 @@ public Builder clearWritableNode() {
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder getWritableNodeBuilder() {
-      bitField0_ |= 0x00002000;
+    public Builder setQueryInsightsConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder
+            builderForValue) {
+      if (queryInsightsConfigBuilder_ == null) {
+        queryInsightsConfig_ = builderForValue.build();
+      } else {
+        queryInsightsConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00008000;
       onChanged();
-      return getWritableNodeFieldBuilder().getBuilder();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder getWritableNodeOrBuilder() {
-      if (writableNodeBuilder_ != null) {
-        return writableNodeBuilder_.getMessageOrBuilder();
+    public Builder mergeQueryInsightsConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig value) {
+      if (queryInsightsConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00008000) != 0)
+            && queryInsightsConfig_ != null
+            && queryInsightsConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
+                    .getDefaultInstance()) {
+          getQueryInsightsConfigBuilder().mergeFrom(value);
+        } else {
+          queryInsightsConfig_ = value;
+        }
       } else {
-        return writableNode_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance()
-            : writableNode_;
+        queryInsightsConfigBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00008000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. This is set for the read-write VM of the PRIMARY instance
-     * only.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.Node writable_node = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.Node,
-            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
-        getWritableNodeFieldBuilder() {
-      if (writableNodeBuilder_ == null) {
-        writableNodeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.Node,
-                com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>(
-                getWritableNode(), getParentForChildren(), isClean());
-        writableNode_ = null;
-      }
-      return writableNodeBuilder_;
-    }
-
-    private java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node> nodes_ =
-        java.util.Collections.emptyList();
-
-    private void ensureNodesIsMutable() {
-      if (!((bitField0_ & 0x00004000) != 0)) {
-        nodes_ = new java.util.ArrayList<com.google.cloud.alloydb.v1alpha.Instance.Node>(nodes_);
-        bitField0_ |= 0x00004000;
+    public Builder clearQueryInsightsConfig() {
+      bitField0_ = (bitField0_ & ~0x00008000);
+      queryInsightsConfig_ = null;
+      if (queryInsightsConfigBuilder_ != null) {
+        queryInsightsConfigBuilder_.dispose();
+        queryInsightsConfigBuilder_ = null;
       }
+      onChanged();
+      return this;
     }
-
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.Node,
-            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
-        nodesBuilder_;
-
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node> getNodesList() {
-      if (nodesBuilder_ == null) {
-        return java.util.Collections.unmodifiableList(nodes_);
-      } else {
-        return nodesBuilder_.getMessageList();
-      }
+    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder
+        getQueryInsightsConfigBuilder() {
+      bitField0_ |= 0x00008000;
+      onChanged();
+      return getQueryInsightsConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public int getNodesCount() {
-      if (nodesBuilder_ == null) {
-        return nodes_.size();
+    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder
+        getQueryInsightsConfigOrBuilder() {
+      if (queryInsightsConfigBuilder_ != null) {
+        return queryInsightsConfigBuilder_.getMessageOrBuilder();
       } else {
-        return nodesBuilder_.getCount();
+        return queryInsightsConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
+                .getDefaultInstance()
+            : queryInsightsConfig_;
       }
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Configuration for query insights.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
      * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node getNodes(int index) {
-      if (nodesBuilder_ == null) {
-        return nodes_.get(index);
-      } else {
-        return nodesBuilder_.getMessage(index);
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>
+        getQueryInsightsConfigFieldBuilder() {
+      if (queryInsightsConfigBuilder_ == null) {
+        queryInsightsConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>(
+                getQueryInsightsConfig(), getParentForChildren(), isClean());
+        queryInsightsConfig_ = null;
       }
+      return queryInsightsConfigBuilder_;
     }
+
+    private com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig readPoolConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>
+        readPoolConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
-     */
-    public Builder setNodes(int index, com.google.cloud.alloydb.v1alpha.Instance.Node value) {
-      if (nodesBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureNodesIsMutable();
-        nodes_.set(index, value);
-        onChanged();
-      } else {
-        nodesBuilder_.setMessage(index, value);
-      }
-      return this;
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
-     * </pre>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * @return Whether the readPoolConfig field is set.
      */
-    public Builder setNodes(
-        int index, com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
-      if (nodesBuilder_ == null) {
-        ensureNodesIsMutable();
-        nodes_.set(index, builderForValue.build());
-        onChanged();
-      } else {
-        nodesBuilder_.setMessage(index, builderForValue.build());
-      }
-      return this;
+    public boolean hasReadPoolConfig() {
+      return ((bitField0_ & 0x00010000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     *
+     * @return The readPoolConfig.
      */
-    public Builder addNodes(com.google.cloud.alloydb.v1alpha.Instance.Node value) {
-      if (nodesBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureNodesIsMutable();
-        nodes_.add(value);
-        onChanged();
+    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig getReadPoolConfig() {
+      if (readPoolConfigBuilder_ == null) {
+        return readPoolConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()
+            : readPoolConfig_;
       } else {
-        nodesBuilder_.addMessage(value);
+        return readPoolConfigBuilder_.getMessage();
       }
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder addNodes(int index, com.google.cloud.alloydb.v1alpha.Instance.Node value) {
-      if (nodesBuilder_ == null) {
+    public Builder setReadPoolConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig value) {
+      if (readPoolConfigBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        ensureNodesIsMutable();
-        nodes_.add(index, value);
-        onChanged();
+        readPoolConfig_ = value;
       } else {
-        nodesBuilder_.addMessage(index, value);
+        readPoolConfigBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00010000;
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder addNodes(
-        com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
-      if (nodesBuilder_ == null) {
-        ensureNodesIsMutable();
-        nodes_.add(builderForValue.build());
-        onChanged();
+    public Builder setReadPoolConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder builderForValue) {
+      if (readPoolConfigBuilder_ == null) {
+        readPoolConfig_ = builderForValue.build();
       } else {
-        nodesBuilder_.addMessage(builderForValue.build());
+        readPoolConfigBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00010000;
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder addNodes(
-        int index, com.google.cloud.alloydb.v1alpha.Instance.Node.Builder builderForValue) {
-      if (nodesBuilder_ == null) {
-        ensureNodesIsMutable();
-        nodes_.add(index, builderForValue.build());
-        onChanged();
+    public Builder mergeReadPoolConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig value) {
+      if (readPoolConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00010000) != 0)
+            && readPoolConfig_ != null
+            && readPoolConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()) {
+          getReadPoolConfigBuilder().mergeFrom(value);
+        } else {
+          readPoolConfig_ = value;
+        }
       } else {
-        nodesBuilder_.addMessage(index, builderForValue.build());
+        readPoolConfigBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00010000;
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder addAllNodes(
-        java.lang.Iterable<? extends com.google.cloud.alloydb.v1alpha.Instance.Node> values) {
-      if (nodesBuilder_ == null) {
-        ensureNodesIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, nodes_);
-        onChanged();
-      } else {
-        nodesBuilder_.addAllMessages(values);
+    public Builder clearReadPoolConfig() {
+      bitField0_ = (bitField0_ & ~0x00010000);
+      readPoolConfig_ = null;
+      if (readPoolConfigBuilder_ != null) {
+        readPoolConfigBuilder_.dispose();
+        readPoolConfigBuilder_ = null;
       }
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder clearNodes() {
-      if (nodesBuilder_ == null) {
-        nodes_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00004000);
-        onChanged();
-      } else {
-        nodesBuilder_.clear();
-      }
-      return this;
+    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder
+        getReadPoolConfigBuilder() {
+      bitField0_ |= 0x00010000;
+      onChanged();
+      return getReadPoolConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public Builder removeNodes(int index) {
-      if (nodesBuilder_ == null) {
-        ensureNodesIsMutable();
-        nodes_.remove(index);
-        onChanged();
+    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder
+        getReadPoolConfigOrBuilder() {
+      if (readPoolConfigBuilder_ != null) {
+        return readPoolConfigBuilder_.getMessageOrBuilder();
       } else {
-        nodesBuilder_.remove(index);
+        return readPoolConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()
+            : readPoolConfig_;
       }
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Read pool instance configuration.
+     * This is required if the value of instanceType is READ_POOL.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder getNodesBuilder(int index) {
-      return getNodesFieldBuilder().getBuilder(index);
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>
+        getReadPoolConfigFieldBuilder() {
+      if (readPoolConfigBuilder_ == null) {
+        readPoolConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>(
+                getReadPoolConfig(), getParentForChildren(), isClean());
+        readPoolConfig_ = null;
+      }
+      return readPoolConfigBuilder_;
     }
+
+    private java.lang.Object ipAddress_ = "";
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Output only. The IP address for the Instance.
+     * This is the connection endpoint for an end-user application.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The ipAddress.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder getNodesOrBuilder(int index) {
-      if (nodesBuilder_ == null) {
-        return nodes_.get(index);
+    public java.lang.String getIpAddress() {
+      java.lang.Object ref = ipAddress_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        ipAddress_ = s;
+        return s;
       } else {
-        return nodesBuilder_.getMessageOrBuilder(index);
+        return (java.lang.String) ref;
       }
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Output only. The IP address for the Instance.
+     * This is the connection endpoint for an end-user application.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for ipAddress.
      */
-    public java.util.List<? extends com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
-        getNodesOrBuilderList() {
-      if (nodesBuilder_ != null) {
-        return nodesBuilder_.getMessageOrBuilderList();
+    public com.google.protobuf.ByteString getIpAddressBytes() {
+      java.lang.Object ref = ipAddress_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        ipAddress_ = b;
+        return b;
       } else {
-        return java.util.Collections.unmodifiableList(nodes_);
+        return (com.google.protobuf.ByteString) ref;
       }
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Output only. The IP address for the Instance.
+     * This is the connection endpoint for an end-user application.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The ipAddress to set.
+     * @return This builder for chaining.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder addNodesBuilder() {
-      return getNodesFieldBuilder()
-          .addBuilder(com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance());
+    public Builder setIpAddress(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ipAddress_ = value;
+      bitField0_ |= 0x00020000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Output only. The IP address for the Instance.
+     * This is the connection endpoint for an end-user application.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.Node.Builder addNodesBuilder(int index) {
-      return getNodesFieldBuilder()
-          .addBuilder(index, com.google.cloud.alloydb.v1alpha.Instance.Node.getDefaultInstance());
+    public Builder clearIpAddress() {
+      ipAddress_ = getDefaultInstance().getIpAddress();
+      bitField0_ = (bitField0_ & ~0x00020000);
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. List of available read-only VMs in this instance, including
-     * the standby for a PRIMARY instance.
+     * Output only. The IP address for the Instance.
+     * This is the connection endpoint for an end-user application.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.alloydb.v1alpha.Instance.Node nodes = 20 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * </code>
+     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for ipAddress to set.
+     * @return This builder for chaining.
      */
-    public java.util.List<com.google.cloud.alloydb.v1alpha.Instance.Node.Builder>
-        getNodesBuilderList() {
-      return getNodesFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.Node,
-            com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>
-        getNodesFieldBuilder() {
-      if (nodesBuilder_ == null) {
-        nodesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.Node,
-                com.google.cloud.alloydb.v1alpha.Instance.Node.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.NodeOrBuilder>(
-                nodes_, ((bitField0_ & 0x00004000) != 0), getParentForChildren(), isClean());
-        nodes_ = null;
+    public Builder setIpAddressBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      return nodesBuilder_;
+      checkByteStringIsUtf8(value);
+      ipAddress_ = value;
+      bitField0_ |= 0x00020000;
+      onChanged();
+      return this;
     }
 
-    private com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
-        queryInsightsConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>
-        queryInsightsConfigBuilder_;
+    private boolean reconciling_;
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
+     * Set to true if the current state of Instance does not match the user's
+     * intended state, and the service is actively updating the resource to
+     * reconcile them. This can happen due to user-triggered updates or
+     * system actions like failover or maintenance.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
-     * @return Whether the queryInsightsConfig field is set.
+     * @return The reconciling.
      */
-    public boolean hasQueryInsightsConfig() {
-      return ((bitField0_ & 0x00008000) != 0);
+    @java.lang.Override
+    public boolean getReconciling() {
+      return reconciling_;
     }
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
+     * Set to true if the current state of Instance does not match the user's
+     * intended state, and the service is actively updating the resource to
+     * reconcile them. This can happen due to user-triggered updates or
+     * system actions like failover or maintenance.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      *
-     * @return The queryInsightsConfig.
+     * @param value The reconciling to set.
+     * @return This builder for chaining.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
-        getQueryInsightsConfig() {
-      if (queryInsightsConfigBuilder_ == null) {
-        return queryInsightsConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
-                .getDefaultInstance()
-            : queryInsightsConfig_;
-      } else {
-        return queryInsightsConfigBuilder_.getMessage();
-      }
+    public Builder setReconciling(boolean value) {
+
+      reconciling_ = value;
+      bitField0_ |= 0x00040000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
+     * Set to true if the current state of Instance does not match the user's
+     * intended state, and the service is actively updating the resource to
+     * reconcile them. This can happen due to user-triggered updates or
+     * system actions like failover or maintenance.
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
      */
-    public Builder setQueryInsightsConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig value) {
-      if (queryInsightsConfigBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        queryInsightsConfig_ = value;
-      } else {
-        queryInsightsConfigBuilder_.setMessage(value);
-      }
-      bitField0_ |= 0x00008000;
+    public Builder clearReconciling() {
+      bitField0_ = (bitField0_ & ~0x00040000);
+      reconciling_ = false;
       onChanged();
       return this;
     }
+
+    private java.lang.Object etag_ = "";
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * For Resource freshness validation (https://google.aip.dev/154)
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>string etag = 17;</code>
+     *
+     * @return The etag.
      */
-    public Builder setQueryInsightsConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder
-            builderForValue) {
-      if (queryInsightsConfigBuilder_ == null) {
-        queryInsightsConfig_ = builderForValue.build();
+    public java.lang.String getEtag() {
+      java.lang.Object ref = etag_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        etag_ = s;
+        return s;
       } else {
-        queryInsightsConfigBuilder_.setMessage(builderForValue.build());
+        return (java.lang.String) ref;
       }
-      bitField0_ |= 0x00008000;
-      onChanged();
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * For Resource freshness validation (https://google.aip.dev/154)
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>string etag = 17;</code>
+     *
+     * @return The bytes for etag.
      */
-    public Builder mergeQueryInsightsConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig value) {
-      if (queryInsightsConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00008000) != 0)
-            && queryInsightsConfig_ != null
-            && queryInsightsConfig_
-                != com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
-                    .getDefaultInstance()) {
-          getQueryInsightsConfigBuilder().mergeFrom(value);
-        } else {
-          queryInsightsConfig_ = value;
-        }
+    public com.google.protobuf.ByteString getEtagBytes() {
+      java.lang.Object ref = etag_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        etag_ = b;
+        return b;
       } else {
-        queryInsightsConfigBuilder_.mergeFrom(value);
+        return (com.google.protobuf.ByteString) ref;
       }
-      bitField0_ |= 0x00008000;
-      onChanged();
-      return this;
     }
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * For Resource freshness validation (https://google.aip.dev/154)
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>string etag = 17;</code>
+     *
+     * @param value The etag to set.
+     * @return This builder for chaining.
      */
-    public Builder clearQueryInsightsConfig() {
-      bitField0_ = (bitField0_ & ~0x00008000);
-      queryInsightsConfig_ = null;
-      if (queryInsightsConfigBuilder_ != null) {
-        queryInsightsConfigBuilder_.dispose();
-        queryInsightsConfigBuilder_ = null;
+    public Builder setEtag(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      etag_ = value;
+      bitField0_ |= 0x00080000;
       onChanged();
       return this;
     }
@@ -11161,324 +17561,364 @@ public Builder clearQueryInsightsConfig() {
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * For Resource freshness validation (https://google.aip.dev/154)
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>string etag = 17;</code>
+     *
+     * @return This builder for chaining.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder
-        getQueryInsightsConfigBuilder() {
-      bitField0_ |= 0x00008000;
+    public Builder clearEtag() {
+      etag_ = getDefaultInstance().getEtag();
+      bitField0_ = (bitField0_ & ~0x00080000);
       onChanged();
-      return getQueryInsightsConfigFieldBuilder().getBuilder();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Configuration for query insights.
+     * For Resource freshness validation (https://google.aip.dev/154)
      * </pre>
      *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
+     * <code>string etag = 17;</code>
+     *
+     * @param value The bytes for etag to set.
+     * @return This builder for chaining.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder
-        getQueryInsightsConfigOrBuilder() {
-      if (queryInsightsConfigBuilder_ != null) {
-        return queryInsightsConfigBuilder_.getMessageOrBuilder();
-      } else {
-        return queryInsightsConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig
-                .getDefaultInstance()
-            : queryInsightsConfig_;
+    public Builder setEtagBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      checkByteStringIsUtf8(value);
+      etag_ = value;
+      bitField0_ |= 0x00080000;
+      onChanged();
+      return this;
     }
-    /**
-     *
-     *
-     * <pre>
-     * Configuration for query insights.
-     * </pre>
-     *
-     * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig query_insights_config = 21;
-     * </code>
-     */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>
-        getQueryInsightsConfigFieldBuilder() {
-      if (queryInsightsConfigBuilder_ == null) {
-        queryInsightsConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig,
-                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfig.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.QueryInsightsInstanceConfigOrBuilder>(
-                getQueryInsightsConfig(), getParentForChildren(), isClean());
-        queryInsightsConfig_ = null;
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> annotations_;
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetAnnotations() {
+      if (annotations_ == null) {
+        return com.google.protobuf.MapField.emptyMapField(
+            AnnotationsDefaultEntryHolder.defaultEntry);
       }
-      return queryInsightsConfigBuilder_;
+      return annotations_;
+    }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetMutableAnnotations() {
+      if (annotations_ == null) {
+        annotations_ =
+            com.google.protobuf.MapField.newMapField(AnnotationsDefaultEntryHolder.defaultEntry);
+      }
+      if (!annotations_.isMutable()) {
+        annotations_ = annotations_.copy();
+      }
+      bitField0_ |= 0x00100000;
+      onChanged();
+      return annotations_;
+    }
+
+    public int getAnnotationsCount() {
+      return internalGetAnnotations().getMap().size();
     }
-
-    private com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig readPoolConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>
-        readPoolConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
-     *
-     * @return Whether the readPoolConfig field is set.
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public boolean hasReadPoolConfig() {
-      return ((bitField0_ & 0x00010000) != 0);
+    @java.lang.Override
+    public boolean containsAnnotations(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetAnnotations().getMap().containsKey(key);
+    }
+    /** Use {@link #getAnnotationsMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getAnnotations() {
+      return getAnnotationsMap();
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     */
+    @java.lang.Override
+    public java.util.Map<java.lang.String, java.lang.String> getAnnotationsMap() {
+      return internalGetAnnotations().getMap();
+    }
+    /**
      *
-     * @return The readPoolConfig.
+     *
+     * <pre>
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig getReadPoolConfig() {
-      if (readPoolConfigBuilder_ == null) {
-        return readPoolConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()
-            : readPoolConfig_;
-      } else {
-        return readPoolConfigBuilder_.getMessage();
+    @java.lang.Override
+    public /* nullable */ java.lang.String getAnnotationsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        java.lang.String defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetAnnotations().getMap();
+      return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public Builder setReadPoolConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig value) {
-      if (readPoolConfigBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        readPoolConfig_ = value;
-      } else {
-        readPoolConfigBuilder_.setMessage(value);
+    @java.lang.Override
+    public java.lang.String getAnnotationsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      bitField0_ |= 0x00010000;
-      onChanged();
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetAnnotations().getMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return map.get(key);
+    }
+
+    public Builder clearAnnotations() {
+      bitField0_ = (bitField0_ & ~0x00100000);
+      internalGetMutableAnnotations().getMutableMap().clear();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public Builder setReadPoolConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder builderForValue) {
-      if (readPoolConfigBuilder_ == null) {
-        readPoolConfig_ = builderForValue.build();
-      } else {
-        readPoolConfigBuilder_.setMessage(builderForValue.build());
+    public Builder removeAnnotations(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      bitField0_ |= 0x00010000;
-      onChanged();
+      internalGetMutableAnnotations().getMutableMap().remove(key);
       return this;
     }
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getMutableAnnotations() {
+      bitField0_ |= 0x00100000;
+      return internalGetMutableAnnotations().getMutableMap();
+    }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public Builder mergeReadPoolConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig value) {
-      if (readPoolConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00010000) != 0)
-            && readPoolConfig_ != null
-            && readPoolConfig_
-                != com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()) {
-          getReadPoolConfigBuilder().mergeFrom(value);
-        } else {
-          readPoolConfig_ = value;
-        }
-      } else {
-        readPoolConfigBuilder_.mergeFrom(value);
+    public Builder putAnnotations(java.lang.String key, java.lang.String value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      bitField0_ |= 0x00010000;
-      onChanged();
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableAnnotations().getMutableMap().put(key, value);
+      bitField0_ |= 0x00100000;
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Annotations to allow client tools to store small amount of arbitrary data.
+     * This is distinct from labels.
+     * https://google.aip.dev/128
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>map&lt;string, string&gt; annotations = 18;</code>
      */
-    public Builder clearReadPoolConfig() {
-      bitField0_ = (bitField0_ & ~0x00010000);
-      readPoolConfig_ = null;
-      if (readPoolConfigBuilder_ != null) {
-        readPoolConfigBuilder_.dispose();
-        readPoolConfigBuilder_ = null;
-      }
-      onChanged();
+    public Builder putAllAnnotations(java.util.Map<java.lang.String, java.lang.String> values) {
+      internalGetMutableAnnotations().getMutableMap().putAll(values);
+      bitField0_ |= 0x00100000;
       return this;
     }
+
+    private com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy updatePolicy_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>
+        updatePolicyBuilder_;
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     *
+     * @return Whether the updatePolicy field is set.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder
-        getReadPoolConfigBuilder() {
-      bitField0_ |= 0x00010000;
-      onChanged();
-      return getReadPoolConfigFieldBuilder().getBuilder();
+    public boolean hasUpdatePolicy() {
+      return ((bitField0_ & 0x00200000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     *
+     * @return The updatePolicy.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder
-        getReadPoolConfigOrBuilder() {
-      if (readPoolConfigBuilder_ != null) {
-        return readPoolConfigBuilder_.getMessageOrBuilder();
+    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy getUpdatePolicy() {
+      if (updatePolicyBuilder_ == null) {
+        return updatePolicy_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()
+            : updatePolicy_;
       } else {
-        return readPoolConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.getDefaultInstance()
-            : readPoolConfig_;
+        return updatePolicyBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * <pre>
-     * Read pool specific config.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>
-        getReadPoolConfigFieldBuilder() {
-      if (readPoolConfigBuilder_ == null) {
-        readPoolConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig,
-                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfigOrBuilder>(
-                getReadPoolConfig(), getParentForChildren(), isClean());
-        readPoolConfig_ = null;
+    public Builder setUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy value) {
+      if (updatePolicyBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        updatePolicy_ = value;
+      } else {
+        updatePolicyBuilder_.setMessage(value);
       }
-      return readPoolConfigBuilder_;
+      bitField0_ |= 0x00200000;
+      onChanged();
+      return this;
     }
-
-    private java.lang.Object ipAddress_ = "";
     /**
      *
      *
      * <pre>
-     * Output only. The IP address for the Instance.
-     * This is the connection endpoint for an end-user application.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return The ipAddress.
-     */
-    public java.lang.String getIpAddress() {
-      java.lang.Object ref = ipAddress_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        ipAddress_ = s;
-        return s;
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     */
+    public Builder setUpdatePolicy(
+        com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder builderForValue) {
+      if (updatePolicyBuilder_ == null) {
+        updatePolicy_ = builderForValue.build();
       } else {
-        return (java.lang.String) ref;
+        updatePolicyBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00200000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. The IP address for the Instance.
-     * This is the connection endpoint for an end-user application.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return The bytes for ipAddress.
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
      */
-    public com.google.protobuf.ByteString getIpAddressBytes() {
-      java.lang.Object ref = ipAddress_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        ipAddress_ = b;
-        return b;
+    public Builder mergeUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy value) {
+      if (updatePolicyBuilder_ == null) {
+        if (((bitField0_ & 0x00200000) != 0)
+            && updatePolicy_ != null
+            && updatePolicy_
+                != com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()) {
+          getUpdatePolicyBuilder().mergeFrom(value);
+        } else {
+          updatePolicy_ = value;
+        }
       } else {
-        return (com.google.protobuf.ByteString) ref;
+        updatePolicyBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00200000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Output only. The IP address for the Instance.
-     * This is the connection endpoint for an end-user application.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @param value The ipAddress to set.
-     * @return This builder for chaining.
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
      */
-    public Builder setIpAddress(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder clearUpdatePolicy() {
+      bitField0_ = (bitField0_ & ~0x00200000);
+      updatePolicy_ = null;
+      if (updatePolicyBuilder_ != null) {
+        updatePolicyBuilder_.dispose();
+        updatePolicyBuilder_ = null;
       }
-      ipAddress_ = value;
-      bitField0_ |= 0x00020000;
       onChanged();
       return this;
     }
@@ -11486,172 +17926,211 @@ public Builder setIpAddress(java.lang.String value) {
      *
      *
      * <pre>
-     * Output only. The IP address for the Instance.
-     * This is the connection endpoint for an end-user application.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return This builder for chaining.
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
      */
-    public Builder clearIpAddress() {
-      ipAddress_ = getDefaultInstance().getIpAddress();
-      bitField0_ = (bitField0_ & ~0x00020000);
+    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder getUpdatePolicyBuilder() {
+      bitField0_ |= 0x00200000;
       onChanged();
-      return this;
+      return getUpdatePolicyFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Output only. The IP address for the Instance.
-     * This is the connection endpoint for an end-user application.
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
      * </pre>
      *
-     * <code>string ip_address = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder
+        getUpdatePolicyOrBuilder() {
+      if (updatePolicyBuilder_ != null) {
+        return updatePolicyBuilder_.getMessageOrBuilder();
+      } else {
+        return updatePolicy_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()
+            : updatePolicy_;
+      }
+    }
+    /**
      *
-     * @param value The bytes for ipAddress to set.
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * Update policy that will be applied during instance update.
+     * This field is not persisted when you update the instance.
+     * To use a non-default update policy, you must
+     * specify explicitly specify the value in each update request.
+     * </pre>
+     *
+     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
      */
-    public Builder setIpAddressBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>
+        getUpdatePolicyFieldBuilder() {
+      if (updatePolicyBuilder_ == null) {
+        updatePolicyBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
+                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>(
+                getUpdatePolicy(), getParentForChildren(), isClean());
+        updatePolicy_ = null;
       }
-      checkByteStringIsUtf8(value);
-      ipAddress_ = value;
-      bitField0_ |= 0x00020000;
-      onChanged();
-      return this;
+      return updatePolicyBuilder_;
     }
 
-    private boolean reconciling_;
+    private com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
+        clientConnectionConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>
+        clientConnectionConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
-     * Set to true if the current state of Instance does not match the user's
-     * intended state, and the service is actively updating the resource to
-     * reconcile them. This can happen due to user-triggered updates or
-     * system actions like failover or maintenance.
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return The reconciling.
+     * @return Whether the clientConnectionConfig field is set.
      */
-    @java.lang.Override
-    public boolean getReconciling() {
-      return reconciling_;
+    public boolean hasClientConnectionConfig() {
+      return ((bitField0_ & 0x00400000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
-     * Set to true if the current state of Instance does not match the user's
-     * intended state, and the service is actively updating the resource to
-     * reconcile them. This can happen due to user-triggered updates or
-     * system actions like failover or maintenance.
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @param value The reconciling to set.
-     * @return This builder for chaining.
+     * @return The clientConnectionConfig.
      */
-    public Builder setReconciling(boolean value) {
-
-      reconciling_ = value;
-      bitField0_ |= 0x00040000;
-      onChanged();
-      return this;
+    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
+        getClientConnectionConfig() {
+      if (clientConnectionConfigBuilder_ == null) {
+        return clientConnectionConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.getDefaultInstance()
+            : clientConnectionConfig_;
+      } else {
+        return clientConnectionConfigBuilder_.getMessage();
+      }
     }
     /**
      *
      *
      * <pre>
-     * Output only. Reconciling (https://google.aip.dev/128#reconciliation).
-     * Set to true if the current state of Instance does not match the user's
-     * intended state, and the service is actively updating the resource to
-     * reconcile them. This can happen due to user-triggered updates or
-     * system actions like failover or maintenance.
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>bool reconciling = 16 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearReconciling() {
-      bitField0_ = (bitField0_ & ~0x00040000);
-      reconciling_ = false;
+    public Builder setClientConnectionConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig value) {
+      if (clientConnectionConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        clientConnectionConfig_ = value;
+      } else {
+        clientConnectionConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00400000;
       onChanged();
       return this;
     }
-
-    private java.lang.Object etag_ = "";
     /**
      *
      *
      * <pre>
-     * For Resource freshness validation (https://google.aip.dev/154)
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>string etag = 17;</code>
-     *
-     * @return The etag.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public java.lang.String getEtag() {
-      java.lang.Object ref = etag_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        etag_ = s;
-        return s;
+    public Builder setClientConnectionConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder builderForValue) {
+      if (clientConnectionConfigBuilder_ == null) {
+        clientConnectionConfig_ = builderForValue.build();
       } else {
-        return (java.lang.String) ref;
+        clientConnectionConfigBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * For Resource freshness validation (https://google.aip.dev/154)
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>string etag = 17;</code>
-     *
-     * @return The bytes for etag.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.protobuf.ByteString getEtagBytes() {
-      java.lang.Object ref = etag_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        etag_ = b;
-        return b;
+    public Builder mergeClientConnectionConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig value) {
+      if (clientConnectionConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00400000) != 0)
+            && clientConnectionConfig_ != null
+            && clientConnectionConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
+                    .getDefaultInstance()) {
+          getClientConnectionConfigBuilder().mergeFrom(value);
+        } else {
+          clientConnectionConfig_ = value;
+        }
       } else {
-        return (com.google.protobuf.ByteString) ref;
+        clientConnectionConfigBuilder_.mergeFrom(value);
       }
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * For Resource freshness validation (https://google.aip.dev/154)
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>string etag = 17;</code>
-     *
-     * @param value The etag to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setEtag(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder clearClientConnectionConfig() {
+      bitField0_ = (bitField0_ & ~0x00400000);
+      clientConnectionConfig_ = null;
+      if (clientConnectionConfigBuilder_ != null) {
+        clientConnectionConfigBuilder_.dispose();
+        clientConnectionConfigBuilder_ = null;
       }
-      etag_ = value;
-      bitField0_ |= 0x00080000;
       onChanged();
       return this;
     }
@@ -11659,290 +18138,243 @@ public Builder setEtag(java.lang.String value) {
      *
      *
      * <pre>
-     * For Resource freshness validation (https://google.aip.dev/154)
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>string etag = 17;</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearEtag() {
-      etag_ = getDefaultInstance().getEtag();
-      bitField0_ = (bitField0_ & ~0x00080000);
+    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder
+        getClientConnectionConfigBuilder() {
+      bitField0_ |= 0x00400000;
       onChanged();
-      return this;
+      return getClientConnectionConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * For Resource freshness validation (https://google.aip.dev/154)
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>string etag = 17;</code>
-     *
-     * @param value The bytes for etag to set.
-     * @return This builder for chaining.
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setEtagBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      checkByteStringIsUtf8(value);
-      etag_ = value;
-      bitField0_ |= 0x00080000;
-      onChanged();
-      return this;
-    }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String> annotations_;
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
-        internalGetAnnotations() {
-      if (annotations_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(
-            AnnotationsDefaultEntryHolder.defaultEntry);
-      }
-      return annotations_;
-    }
-
-    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
-        internalGetMutableAnnotations() {
-      if (annotations_ == null) {
-        annotations_ =
-            com.google.protobuf.MapField.newMapField(AnnotationsDefaultEntryHolder.defaultEntry);
-      }
-      if (!annotations_.isMutable()) {
-        annotations_ = annotations_.copy();
+    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder
+        getClientConnectionConfigOrBuilder() {
+      if (clientConnectionConfigBuilder_ != null) {
+        return clientConnectionConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return clientConnectionConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.getDefaultInstance()
+            : clientConnectionConfig_;
       }
-      bitField0_ |= 0x00100000;
-      onChanged();
-      return annotations_;
-    }
-
-    public int getAnnotationsCount() {
-      return internalGetAnnotations().getMap().size();
     }
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Optional. Client connection specific configurations
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public boolean containsAnnotations(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>
+        getClientConnectionConfigFieldBuilder() {
+      if (clientConnectionConfigBuilder_ == null) {
+        clientConnectionConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>(
+                getClientConnectionConfig(), getParentForChildren(), isClean());
+        clientConnectionConfig_ = null;
       }
-      return internalGetAnnotations().getMap().containsKey(key);
-    }
-    /** Use {@link #getAnnotationsMap()} instead. */
-    @java.lang.Override
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getAnnotations() {
-      return getAnnotationsMap();
+      return clientConnectionConfigBuilder_;
     }
+
+    private boolean satisfiesPzi_;
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzi = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The satisfiesPzi.
      */
     @java.lang.Override
-    public java.util.Map<java.lang.String, java.lang.String> getAnnotationsMap() {
-      return internalGetAnnotations().getMap();
+    public boolean getSatisfiesPzi() {
+      return satisfiesPzi_;
     }
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzi = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The satisfiesPzi to set.
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public /* nullable */ java.lang.String getAnnotationsOrDefault(
-        java.lang.String key,
-        /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetAnnotations().getMap();
-      return map.containsKey(key) ? map.get(key) : defaultValue;
+    public Builder setSatisfiesPzi(boolean value) {
+
+      satisfiesPzi_ = value;
+      bitField0_ |= 0x00800000;
+      onChanged();
+      return this;
     }
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzi = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public java.lang.String getAnnotationsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map<java.lang.String, java.lang.String> map = internalGetAnnotations().getMap();
-      if (!map.containsKey(key)) {
-        throw new java.lang.IllegalArgumentException();
-      }
-      return map.get(key);
-    }
-
-    public Builder clearAnnotations() {
-      bitField0_ = (bitField0_ & ~0x00100000);
-      internalGetMutableAnnotations().getMutableMap().clear();
+    public Builder clearSatisfiesPzi() {
+      bitField0_ = (bitField0_ & ~0x00800000);
+      satisfiesPzi_ = false;
+      onChanged();
       return this;
     }
+
+    private boolean satisfiesPzs_;
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzs = 24 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The satisfiesPzs.
      */
-    public Builder removeAnnotations(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableAnnotations().getMutableMap().remove(key);
-      return this;
-    }
-    /** Use alternate mutation accessors instead. */
-    @java.lang.Deprecated
-    public java.util.Map<java.lang.String, java.lang.String> getMutableAnnotations() {
-      bitField0_ |= 0x00100000;
-      return internalGetMutableAnnotations().getMutableMap();
+    @java.lang.Override
+    public boolean getSatisfiesPzs() {
+      return satisfiesPzs_;
     }
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzs = 24 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The satisfiesPzs to set.
+     * @return This builder for chaining.
      */
-    public Builder putAnnotations(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableAnnotations().getMutableMap().put(key, value);
-      bitField0_ |= 0x00100000;
+    public Builder setSatisfiesPzs(boolean value) {
+
+      satisfiesPzs_ = value;
+      bitField0_ |= 0x01000000;
+      onChanged();
       return this;
     }
     /**
      *
      *
      * <pre>
-     * Annotations to allow client tools to store small amount of arbitrary data.
-     * This is distinct from labels.
-     * https://google.aip.dev/128
+     * Output only. Reserved for future use.
      * </pre>
      *
-     * <code>map&lt;string, string&gt; annotations = 18;</code>
+     * <code>bool satisfies_pzs = 24 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
      */
-    public Builder putAllAnnotations(java.util.Map<java.lang.String, java.lang.String> values) {
-      internalGetMutableAnnotations().getMutableMap().putAll(values);
-      bitField0_ |= 0x00100000;
+    public Builder clearSatisfiesPzs() {
+      bitField0_ = (bitField0_ & ~0x01000000);
+      satisfiesPzs_ = false;
+      onChanged();
       return this;
     }
 
-    private com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy updatePolicy_;
+    private com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig pscInstanceConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>
-        updatePolicyBuilder_;
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder>
+        pscInstanceConfigBuilder_;
     /**
-     *
-     *
-     * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     *
+     *
+     * <pre>
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return Whether the updatePolicy field is set.
+     * @return Whether the pscInstanceConfig field is set.
      */
-    public boolean hasUpdatePolicy() {
-      return ((bitField0_ & 0x00200000) != 0);
+    public boolean hasPscInstanceConfig() {
+      return ((bitField0_ & 0x02000000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return The updatePolicy.
+     * @return The pscInstanceConfig.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy getUpdatePolicy() {
-      if (updatePolicyBuilder_ == null) {
-        return updatePolicy_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()
-            : updatePolicy_;
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig getPscInstanceConfig() {
+      if (pscInstanceConfigBuilder_ == null) {
+        return pscInstanceConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance()
+            : pscInstanceConfig_;
       } else {
-        return updatePolicyBuilder_.getMessage();
+        return pscInstanceConfigBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy value) {
-      if (updatePolicyBuilder_ == null) {
+    public Builder setPscInstanceConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig value) {
+      if (pscInstanceConfigBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        updatePolicy_ = value;
+        pscInstanceConfig_ = value;
       } else {
-        updatePolicyBuilder_.setMessage(value);
+        pscInstanceConfigBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00200000;
+      bitField0_ |= 0x02000000;
       onChanged();
       return this;
     }
@@ -11950,22 +18382,22 @@ public Builder setUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.UpdateP
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setUpdatePolicy(
-        com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder builderForValue) {
-      if (updatePolicyBuilder_ == null) {
-        updatePolicy_ = builderForValue.build();
+    public Builder setPscInstanceConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder builderForValue) {
+      if (pscInstanceConfigBuilder_ == null) {
+        pscInstanceConfig_ = builderForValue.build();
       } else {
-        updatePolicyBuilder_.setMessage(builderForValue.build());
+        pscInstanceConfigBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00200000;
+      bitField0_ |= 0x02000000;
       onChanged();
       return this;
     }
@@ -11973,28 +18405,30 @@ public Builder setUpdatePolicy(
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder mergeUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy value) {
-      if (updatePolicyBuilder_ == null) {
-        if (((bitField0_ & 0x00200000) != 0)
-            && updatePolicy_ != null
-            && updatePolicy_
-                != com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()) {
-          getUpdatePolicyBuilder().mergeFrom(value);
+    public Builder mergePscInstanceConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig value) {
+      if (pscInstanceConfigBuilder_ == null) {
+        if (((bitField0_ & 0x02000000) != 0)
+            && pscInstanceConfig_ != null
+            && pscInstanceConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig
+                    .getDefaultInstance()) {
+          getPscInstanceConfigBuilder().mergeFrom(value);
         } else {
-          updatePolicy_ = value;
+          pscInstanceConfig_ = value;
         }
       } else {
-        updatePolicyBuilder_.mergeFrom(value);
+        pscInstanceConfigBuilder_.mergeFrom(value);
       }
-      bitField0_ |= 0x00200000;
+      bitField0_ |= 0x02000000;
       onChanged();
       return this;
     }
@@ -12002,20 +18436,20 @@ public Builder mergeUpdatePolicy(com.google.cloud.alloydb.v1alpha.Instance.Updat
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearUpdatePolicy() {
-      bitField0_ = (bitField0_ & ~0x00200000);
-      updatePolicy_ = null;
-      if (updatePolicyBuilder_ != null) {
-        updatePolicyBuilder_.dispose();
-        updatePolicyBuilder_ = null;
+    public Builder clearPscInstanceConfig() {
+      bitField0_ = (bitField0_ & ~0x02000000);
+      pscInstanceConfig_ = null;
+      if (pscInstanceConfigBuilder_ != null) {
+        pscInstanceConfigBuilder_.dispose();
+        pscInstanceConfigBuilder_ = null;
       }
       onChanged();
       return this;
@@ -12024,138 +18458,137 @@ public Builder clearUpdatePolicy() {
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder getUpdatePolicyBuilder() {
-      bitField0_ |= 0x00200000;
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder
+        getPscInstanceConfigBuilder() {
+      bitField0_ |= 0x02000000;
       onChanged();
-      return getUpdatePolicyFieldBuilder().getBuilder();
+      return getPscInstanceConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder
-        getUpdatePolicyOrBuilder() {
-      if (updatePolicyBuilder_ != null) {
-        return updatePolicyBuilder_.getMessageOrBuilder();
+    public com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder
+        getPscInstanceConfigOrBuilder() {
+      if (pscInstanceConfigBuilder_ != null) {
+        return pscInstanceConfigBuilder_.getMessageOrBuilder();
       } else {
-        return updatePolicy_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.getDefaultInstance()
-            : updatePolicy_;
+        return pscInstanceConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.getDefaultInstance()
+            : pscInstanceConfig_;
       }
     }
     /**
      *
      *
      * <pre>
-     * Update policy that will be applied during instance update.
-     * This field is not persisted when you update the instance.
-     * To use a non-default update policy, you must
-     * specify explicitly specify the value in each update request.
+     * Optional. The configuration for Private Service Connect (PSC) for the
+     * instance.
      * </pre>
      *
-     * <code>.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy update_policy = 22;</code>
+     * <code>
+     * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>
-        getUpdatePolicyFieldBuilder() {
-      if (updatePolicyBuilder_ == null) {
-        updatePolicyBuilder_ =
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder>
+        getPscInstanceConfigFieldBuilder() {
+      if (pscInstanceConfigBuilder_ == null) {
+        pscInstanceConfigBuilder_ =
             new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy,
-                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicy.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.UpdatePolicyOrBuilder>(
-                getUpdatePolicy(), getParentForChildren(), isClean());
-        updatePolicy_ = null;
+                com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder>(
+                getPscInstanceConfig(), getParentForChildren(), isClean());
+        pscInstanceConfig_ = null;
       }
-      return updatePolicyBuilder_;
+      return pscInstanceConfigBuilder_;
     }
 
-    private com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
-        clientConnectionConfig_;
+    private com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig networkConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>
-        clientConnectionConfigBuilder_;
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder>
+        networkConfigBuilder_;
     /**
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the clientConnectionConfig field is set.
+     * @return Whether the networkConfig field is set.
      */
-    public boolean hasClientConnectionConfig() {
-      return ((bitField0_ & 0x00400000) != 0);
+    public boolean hasNetworkConfig() {
+      return ((bitField0_ & 0x04000000) != 0);
     }
     /**
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The clientConnectionConfig.
+     * @return The networkConfig.
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
-        getClientConnectionConfig() {
-      if (clientConnectionConfigBuilder_ == null) {
-        return clientConnectionConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.getDefaultInstance()
-            : clientConnectionConfig_;
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig getNetworkConfig() {
+      if (networkConfigBuilder_ == null) {
+        return networkConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance()
+            : networkConfig_;
       } else {
-        return clientConnectionConfigBuilder_.getMessage();
+        return networkConfigBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setClientConnectionConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig value) {
-      if (clientConnectionConfigBuilder_ == null) {
+    public Builder setNetworkConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig value) {
+      if (networkConfigBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        clientConnectionConfig_ = value;
+        networkConfig_ = value;
       } else {
-        clientConnectionConfigBuilder_.setMessage(value);
+        networkConfigBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00400000;
+      bitField0_ |= 0x04000000;
       onChanged();
       return this;
     }
@@ -12163,21 +18596,21 @@ public Builder setClientConnectionConfig(
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setClientConnectionConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder builderForValue) {
-      if (clientConnectionConfigBuilder_ == null) {
-        clientConnectionConfig_ = builderForValue.build();
+    public Builder setNetworkConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder builderForValue) {
+      if (networkConfigBuilder_ == null) {
+        networkConfig_ = builderForValue.build();
       } else {
-        clientConnectionConfigBuilder_.setMessage(builderForValue.build());
+        networkConfigBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00400000;
+      bitField0_ |= 0x04000000;
       onChanged();
       return this;
     }
@@ -12185,29 +18618,29 @@ public Builder setClientConnectionConfig(
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeClientConnectionConfig(
-        com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig value) {
-      if (clientConnectionConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00400000) != 0)
-            && clientConnectionConfig_ != null
-            && clientConnectionConfig_
-                != com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig
+    public Builder mergeNetworkConfig(
+        com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig value) {
+      if (networkConfigBuilder_ == null) {
+        if (((bitField0_ & 0x04000000) != 0)
+            && networkConfig_ != null
+            && networkConfig_
+                != com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig
                     .getDefaultInstance()) {
-          getClientConnectionConfigBuilder().mergeFrom(value);
+          getNetworkConfigBuilder().mergeFrom(value);
         } else {
-          clientConnectionConfig_ = value;
+          networkConfig_ = value;
         }
       } else {
-        clientConnectionConfigBuilder_.mergeFrom(value);
+        networkConfigBuilder_.mergeFrom(value);
       }
-      bitField0_ |= 0x00400000;
+      bitField0_ |= 0x04000000;
       onChanged();
       return this;
     }
@@ -12215,19 +18648,19 @@ public Builder mergeClientConnectionConfig(
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearClientConnectionConfig() {
-      bitField0_ = (bitField0_ & ~0x00400000);
-      clientConnectionConfig_ = null;
-      if (clientConnectionConfigBuilder_ != null) {
-        clientConnectionConfigBuilder_.dispose();
-        clientConnectionConfigBuilder_ = null;
+    public Builder clearNetworkConfig() {
+      bitField0_ = (bitField0_ & ~0x04000000);
+      networkConfig_ = null;
+      if (networkConfigBuilder_ != null) {
+        networkConfigBuilder_.dispose();
+        networkConfigBuilder_ = null;
       }
       onChanged();
       return this;
@@ -12236,119 +18669,66 @@ public Builder clearClientConnectionConfig() {
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder
-        getClientConnectionConfigBuilder() {
-      bitField0_ |= 0x00400000;
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder
+        getNetworkConfigBuilder() {
+      bitField0_ |= 0x04000000;
       onChanged();
-      return getClientConnectionConfigFieldBuilder().getBuilder();
+      return getNetworkConfigFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder
-        getClientConnectionConfigOrBuilder() {
-      if (clientConnectionConfigBuilder_ != null) {
-        return clientConnectionConfigBuilder_.getMessageOrBuilder();
+    public com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder
+        getNetworkConfigOrBuilder() {
+      if (networkConfigBuilder_ != null) {
+        return networkConfigBuilder_.getMessageOrBuilder();
       } else {
-        return clientConnectionConfig_ == null
-            ? com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.getDefaultInstance()
-            : clientConnectionConfig_;
+        return networkConfig_ == null
+            ? com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.getDefaultInstance()
+            : networkConfig_;
       }
     }
     /**
      *
      *
      * <pre>
-     * Optional. Client connection specific configurations
+     * Optional. Instance level network configuration.
      * </pre>
      *
      * <code>
-     * .google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig client_connection_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
-            com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>
-        getClientConnectionConfigFieldBuilder() {
-      if (clientConnectionConfigBuilder_ == null) {
-        clientConnectionConfigBuilder_ =
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig,
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder,
+            com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder>
+        getNetworkConfigFieldBuilder() {
+      if (networkConfigBuilder_ == null) {
+        networkConfigBuilder_ =
             new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig,
-                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfig.Builder,
-                com.google.cloud.alloydb.v1alpha.Instance.ClientConnectionConfigOrBuilder>(
-                getClientConnectionConfig(), getParentForChildren(), isClean());
-        clientConnectionConfig_ = null;
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig,
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig.Builder,
+                com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder>(
+                getNetworkConfig(), getParentForChildren(), isClean());
+        networkConfig_ = null;
       }
-      return clientConnectionConfigBuilder_;
-    }
-
-    private boolean satisfiesPzs_;
-    /**
-     *
-     *
-     * <pre>
-     * Reserved for future use.
-     * </pre>
-     *
-     * <code>bool satisfies_pzs = 24;</code>
-     *
-     * @return The satisfiesPzs.
-     */
-    @java.lang.Override
-    public boolean getSatisfiesPzs() {
-      return satisfiesPzs_;
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Reserved for future use.
-     * </pre>
-     *
-     * <code>bool satisfies_pzs = 24;</code>
-     *
-     * @param value The satisfiesPzs to set.
-     * @return This builder for chaining.
-     */
-    public Builder setSatisfiesPzs(boolean value) {
-
-      satisfiesPzs_ = value;
-      bitField0_ |= 0x00800000;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * <pre>
-     * Reserved for future use.
-     * </pre>
-     *
-     * <code>bool satisfies_pzs = 24;</code>
-     *
-     * @return This builder for chaining.
-     */
-    public Builder clearSatisfiesPzs() {
-      bitField0_ = (bitField0_ & ~0x00800000);
-      satisfiesPzs_ = false;
-      onChanged();
-      return this;
+      return networkConfigBuilder_;
     }
 
     @java.lang.Override
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/InstanceOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/InstanceOrBuilder.java
index ddf64aaf66ed..051d835c4a85 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/InstanceOrBuilder.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/InstanceOrBuilder.java
@@ -734,7 +734,8 @@ java.lang.String getDatabaseFlagsOrDefault(
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -746,7 +747,8 @@ java.lang.String getDatabaseFlagsOrDefault(
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -758,7 +760,8 @@ java.lang.String getDatabaseFlagsOrDefault(
    *
    *
    * <pre>
-   * Read pool specific config.
+   * Read pool instance configuration.
+   * This is required if the value of instanceType is READ_POOL.
    * </pre>
    *
    * <code>.google.cloud.alloydb.v1alpha.Instance.ReadPoolConfig read_pool_config = 14;</code>
@@ -992,12 +995,112 @@ java.lang.String getAnnotationsOrDefault(
    *
    *
    * <pre>
-   * Reserved for future use.
+   * Output only. Reserved for future use.
    * </pre>
    *
-   * <code>bool satisfies_pzs = 24;</code>
+   * <code>bool satisfies_pzi = 30 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The satisfiesPzi.
+   */
+  boolean getSatisfiesPzi();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Reserved for future use.
+   * </pre>
+   *
+   * <code>bool satisfies_pzs = 24 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    *
    * @return The satisfiesPzs.
    */
   boolean getSatisfiesPzs();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the pscInstanceConfig field is set.
+   */
+  boolean hasPscInstanceConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The pscInstanceConfig.
+   */
+  com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig getPscInstanceConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for Private Service Connect (PSC) for the
+   * instance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.PscInstanceConfig psc_instance_config = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.alloydb.v1alpha.Instance.PscInstanceConfigOrBuilder
+      getPscInstanceConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the networkConfig field is set.
+   */
+  boolean hasNetworkConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The networkConfig.
+   */
+  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig getNetworkConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Instance level network configuration.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfig network_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.alloydb.v1alpha.Instance.InstanceNetworkConfigOrBuilder
+      getNetworkConfigOrBuilder();
 }
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequest.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequest.java
new file mode 100644
index 000000000000..c31b4debcf39
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequest.java
@@ -0,0 +1,1129 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/service.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+/**
+ *
+ *
+ * <pre>
+ * Message for requesting list of Databases.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.alloydb.v1alpha.ListDatabasesRequest}
+ */
+public final class ListDatabasesRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.ListDatabasesRequest)
+    ListDatabasesRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ListDatabasesRequest.newBuilder() to construct.
+  private ListDatabasesRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListDatabasesRequest() {
+    parent_ = "";
+    pageToken_ = "";
+    filter_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ListDatabasesRequest();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.alloydb.v1alpha.ServiceProto
+        .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.alloydb.v1alpha.ServiceProto
+        .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.class,
+            com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.Builder.class);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object parent_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Required. Parent value for ListDatabasesRequest.
+   * </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. Parent value for ListDatabasesRequest.
+   * </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 PAGE_SIZE_FIELD_NUMBER = 2;
+  private int pageSize_ = 0;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of databases to return. The service may return
+   * fewer than this value. If unspecified, an appropriate number of databases
+   * will be returned. The max value will be 2000, values above max will be
+   * coerced to max.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  @java.lang.Override
+  public int getPageSize() {
+    return pageSize_;
+  }
+
+  public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object pageToken_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous `ListDatabases` call.
+   * This should be provided to retrieve the subsequent page.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getPageToken() {
+    java.lang.Object ref = pageToken_;
+    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();
+      pageToken_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous `ListDatabases` call.
+   * This should be provided to retrieve the subsequent page.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getPageTokenBytes() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      pageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FILTER_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object filter_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filtering results.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    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();
+      filter_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filtering results.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = 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 (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    }
+    if (pageSize_ != 0) {
+      output.writeInt32(2, pageSize_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, pageToken_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, filter_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    }
+    if (pageSize_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, filter_);
+    }
+    size += getUnknownFields().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.alloydb.v1alpha.ListDatabasesRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.alloydb.v1alpha.ListDatabasesRequest other =
+        (com.google.cloud.alloydb.v1alpha.ListDatabasesRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (getPageSize() != other.getPageSize()) return false;
+    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getFilter().equals(other.getFilter())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) 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) + PAGE_SIZE_FIELD_NUMBER;
+    hash = (53 * hash) + getPageSize();
+    hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getPageToken().hashCode();
+    hash = (37 * hash) + FILTER_FIELD_NUMBER;
+    hash = (53 * hash) + getFilter().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest 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.alloydb.v1alpha.ListDatabasesRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest 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.alloydb.v1alpha.ListDatabasesRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest 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.alloydb.v1alpha.ListDatabasesRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest 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.alloydb.v1alpha.ListDatabasesRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest 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.alloydb.v1alpha.ListDatabasesRequest 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>
+   * Message for requesting list of Databases.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.ListDatabasesRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.ListDatabasesRequest)
+      com.google.cloud.alloydb.v1alpha.ListDatabasesRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.class,
+              com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      parent_ = "";
+      pageSize_ = 0;
+      pageToken_ = "";
+      filter_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesRequest getDefaultInstanceForType() {
+      return com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesRequest build() {
+      com.google.cloud.alloydb.v1alpha.ListDatabasesRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesRequest buildPartial() {
+      com.google.cloud.alloydb.v1alpha.ListDatabasesRequest result =
+          new com.google.cloud.alloydb.v1alpha.ListDatabasesRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.alloydb.v1alpha.ListDatabasesRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.parent_ = parent_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.pageSize_ = pageSize_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.pageToken_ = pageToken_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.filter_ = filter_;
+      }
+    }
+
+    @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.alloydb.v1alpha.ListDatabasesRequest) {
+        return mergeFrom((com.google.cloud.alloydb.v1alpha.ListDatabasesRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.ListDatabasesRequest other) {
+      if (other == com.google.cloud.alloydb.v1alpha.ListDatabasesRequest.getDefaultInstance())
+        return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.getPageSize() != 0) {
+        setPageSize(other.getPageSize());
+      }
+      if (!other.getPageToken().isEmpty()) {
+        pageToken_ = other.pageToken_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (!other.getFilter().isEmpty()) {
+        filter_ = other.filter_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      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 {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                parent_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 16:
+              {
+                pageSize_ = input.readInt32();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+            case 26:
+              {
+                pageToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 34:
+              {
+                filter_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object parent_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. Parent value for ListDatabasesRequest.
+     * </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. Parent value for ListDatabasesRequest.
+     * </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. Parent value for ListDatabasesRequest.
+     * </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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. Parent value for ListDatabasesRequest.
+     * </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();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. Parent value for ListDatabasesRequest.
+     * </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;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private int pageSize_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of databases to return. The service may return
+     * fewer than this value. If unspecified, an appropriate number of databases
+     * will be returned. The max value will be 2000, values above max will be
+     * coerced to max.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageSize.
+     */
+    @java.lang.Override
+    public int getPageSize() {
+      return pageSize_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of databases to return. The service may return
+     * fewer than this value. If unspecified, an appropriate number of databases
+     * will be returned. The max value will be 2000, values above max will be
+     * coerced to max.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageSize(int value) {
+
+      pageSize_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of databases to return. The service may return
+     * fewer than this value. If unspecified, an appropriate number of databases
+     * will be returned. The max value will be 2000, values above max will be
+     * coerced to max.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageSize() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      pageSize_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object pageToken_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous `ListDatabases` call.
+     * This should be provided to retrieve the subsequent page.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageToken.
+     */
+    public java.lang.String getPageToken() {
+      java.lang.Object ref = pageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        pageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous `ListDatabases` call.
+     * This should be provided to retrieve the subsequent page.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for pageToken.
+     */
+    public com.google.protobuf.ByteString getPageTokenBytes() {
+      java.lang.Object ref = pageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        pageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous `ListDatabases` call.
+     * This should be provided to retrieve the subsequent page.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous `ListDatabases` call.
+     * This should be provided to retrieve the subsequent page.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageToken() {
+      pageToken_ = getDefaultInstance().getPageToken();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous `ListDatabases` call.
+     * This should be provided to retrieve the subsequent page.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object filter_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filtering results.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filtering results.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filtering results.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilter(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      filter_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filtering results.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFilter() {
+      filter_ = getDefaultInstance().getFilter();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filtering results.
+     * This field is currently not supported, its value will be ignored if passed.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      filter_ = value;
+      bitField0_ |= 0x00000008;
+      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.alloydb.v1alpha.ListDatabasesRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.ListDatabasesRequest)
+  private static final com.google.cloud.alloydb.v1alpha.ListDatabasesRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.ListDatabasesRequest();
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListDatabasesRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ListDatabasesRequest>() {
+        @java.lang.Override
+        public ListDatabasesRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListDatabasesRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListDatabasesRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.ListDatabasesRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequestOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequestOrBuilder.java
new file mode 100644
index 000000000000..2385355e8166
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesRequestOrBuilder.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/service.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+public interface ListDatabasesRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.ListDatabasesRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Parent value for ListDatabasesRequest.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. Parent value for ListDatabasesRequest.
+   * </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>
+   * Optional. The maximum number of databases to return. The service may return
+   * fewer than this value. If unspecified, an appropriate number of databases
+   * will be returned. The max value will be 2000, values above max will be
+   * coerced to max.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous `ListDatabases` call.
+   * This should be provided to retrieve the subsequent page.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous `ListDatabases` call.
+   * This should be provided to retrieve the subsequent page.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString getPageTokenBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filtering results.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filtering results.
+   * This field is currently not supported, its value will be ignored if passed.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponse.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponse.java
new file mode 100644
index 000000000000..19f603e61c82
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponse.java
@@ -0,0 +1,1125 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/service.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+/**
+ *
+ *
+ * <pre>
+ * Message for response to listing Databases.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.alloydb.v1alpha.ListDatabasesResponse}
+ */
+public final class ListDatabasesResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.alloydb.v1alpha.ListDatabasesResponse)
+    ListDatabasesResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ListDatabasesResponse.newBuilder() to construct.
+  private ListDatabasesResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListDatabasesResponse() {
+    databases_ = java.util.Collections.emptyList();
+    nextPageToken_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ListDatabasesResponse();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.alloydb.v1alpha.ServiceProto
+        .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.alloydb.v1alpha.ServiceProto
+        .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.class,
+            com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.Builder.class);
+  }
+
+  public static final int DATABASES_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.alloydb.v1alpha.Database> databases_;
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.alloydb.v1alpha.Database> getDatabasesList() {
+    return databases_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>
+      getDatabasesOrBuilderList() {
+    return databases_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  @java.lang.Override
+  public int getDatabasesCount() {
+    return databases_.size();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.Database getDatabases(int index) {
+    return databases_.get(index);
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder getDatabasesOrBuilder(int index) {
+    return databases_.get(index);
+  }
+
+  public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object nextPageToken_ = "";
+  /**
+   *
+   *
+   * <pre>
+   * A token identifying the next page of results the server should return.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getNextPageToken() {
+    java.lang.Object ref = nextPageToken_;
+    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();
+      nextPageToken_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * A token identifying the next page of results the server should return.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      nextPageToken_ = 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 {
+    for (int i = 0; i < databases_.size(); i++) {
+      output.writeMessage(1, databases_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, nextPageToken_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < databases_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, databases_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
+    }
+    size += getUnknownFields().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.alloydb.v1alpha.ListDatabasesResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.alloydb.v1alpha.ListDatabasesResponse other =
+        (com.google.cloud.alloydb.v1alpha.ListDatabasesResponse) obj;
+
+    if (!getDatabasesList().equals(other.getDatabasesList())) return false;
+    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getDatabasesCount() > 0) {
+      hash = (37 * hash) + DATABASES_FIELD_NUMBER;
+      hash = (53 * hash) + getDatabasesList().hashCode();
+    }
+    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getNextPageToken().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse 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.alloydb.v1alpha.ListDatabasesResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse 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.alloydb.v1alpha.ListDatabasesResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse 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.alloydb.v1alpha.ListDatabasesResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse 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.alloydb.v1alpha.ListDatabasesResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse 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.alloydb.v1alpha.ListDatabasesResponse 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>
+   * Message for response to listing Databases.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.alloydb.v1alpha.ListDatabasesResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.alloydb.v1alpha.ListDatabasesResponse)
+      com.google.cloud.alloydb.v1alpha.ListDatabasesResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.class,
+              com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (databasesBuilder_ == null) {
+        databases_ = java.util.Collections.emptyList();
+      } else {
+        databases_ = null;
+        databasesBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      nextPageToken_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.alloydb.v1alpha.ServiceProto
+          .internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesResponse getDefaultInstanceForType() {
+      return com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesResponse build() {
+      com.google.cloud.alloydb.v1alpha.ListDatabasesResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.alloydb.v1alpha.ListDatabasesResponse buildPartial() {
+      com.google.cloud.alloydb.v1alpha.ListDatabasesResponse result =
+          new com.google.cloud.alloydb.v1alpha.ListDatabasesResponse(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.alloydb.v1alpha.ListDatabasesResponse result) {
+      if (databasesBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          databases_ = java.util.Collections.unmodifiableList(databases_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.databases_ = databases_;
+      } else {
+        result.databases_ = databasesBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.alloydb.v1alpha.ListDatabasesResponse result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.nextPageToken_ = nextPageToken_;
+      }
+    }
+
+    @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.alloydb.v1alpha.ListDatabasesResponse) {
+        return mergeFrom((com.google.cloud.alloydb.v1alpha.ListDatabasesResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.alloydb.v1alpha.ListDatabasesResponse other) {
+      if (other == com.google.cloud.alloydb.v1alpha.ListDatabasesResponse.getDefaultInstance())
+        return this;
+      if (databasesBuilder_ == null) {
+        if (!other.databases_.isEmpty()) {
+          if (databases_.isEmpty()) {
+            databases_ = other.databases_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureDatabasesIsMutable();
+            databases_.addAll(other.databases_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.databases_.isEmpty()) {
+          if (databasesBuilder_.isEmpty()) {
+            databasesBuilder_.dispose();
+            databasesBuilder_ = null;
+            databases_ = other.databases_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            databasesBuilder_ =
+                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
+                    ? getDatabasesFieldBuilder()
+                    : null;
+          } else {
+            databasesBuilder_.addAllMessages(other.databases_);
+          }
+        }
+      }
+      if (!other.getNextPageToken().isEmpty()) {
+        nextPageToken_ = other.nextPageToken_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      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 {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.cloud.alloydb.v1alpha.Database m =
+                    input.readMessage(
+                        com.google.cloud.alloydb.v1alpha.Database.parser(), extensionRegistry);
+                if (databasesBuilder_ == null) {
+                  ensureDatabasesIsMutable();
+                  databases_.add(m);
+                } else {
+                  databasesBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            case 18:
+              {
+                nextPageToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.alloydb.v1alpha.Database> databases_ =
+        java.util.Collections.emptyList();
+
+    private void ensureDatabasesIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        databases_ = new java.util.ArrayList<com.google.cloud.alloydb.v1alpha.Database>(databases_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Database,
+            com.google.cloud.alloydb.v1alpha.Database.Builder,
+            com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>
+        databasesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public java.util.List<com.google.cloud.alloydb.v1alpha.Database> getDatabasesList() {
+      if (databasesBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(databases_);
+      } else {
+        return databasesBuilder_.getMessageList();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public int getDatabasesCount() {
+      if (databasesBuilder_ == null) {
+        return databases_.size();
+      } else {
+        return databasesBuilder_.getCount();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Database getDatabases(int index) {
+      if (databasesBuilder_ == null) {
+        return databases_.get(index);
+      } else {
+        return databasesBuilder_.getMessage(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder setDatabases(int index, com.google.cloud.alloydb.v1alpha.Database value) {
+      if (databasesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDatabasesIsMutable();
+        databases_.set(index, value);
+        onChanged();
+      } else {
+        databasesBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder setDatabases(
+        int index, com.google.cloud.alloydb.v1alpha.Database.Builder builderForValue) {
+      if (databasesBuilder_ == null) {
+        ensureDatabasesIsMutable();
+        databases_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        databasesBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder addDatabases(com.google.cloud.alloydb.v1alpha.Database value) {
+      if (databasesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDatabasesIsMutable();
+        databases_.add(value);
+        onChanged();
+      } else {
+        databasesBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder addDatabases(int index, com.google.cloud.alloydb.v1alpha.Database value) {
+      if (databasesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDatabasesIsMutable();
+        databases_.add(index, value);
+        onChanged();
+      } else {
+        databasesBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder addDatabases(com.google.cloud.alloydb.v1alpha.Database.Builder builderForValue) {
+      if (databasesBuilder_ == null) {
+        ensureDatabasesIsMutable();
+        databases_.add(builderForValue.build());
+        onChanged();
+      } else {
+        databasesBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder addDatabases(
+        int index, com.google.cloud.alloydb.v1alpha.Database.Builder builderForValue) {
+      if (databasesBuilder_ == null) {
+        ensureDatabasesIsMutable();
+        databases_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        databasesBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder addAllDatabases(
+        java.lang.Iterable<? extends com.google.cloud.alloydb.v1alpha.Database> values) {
+      if (databasesBuilder_ == null) {
+        ensureDatabasesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, databases_);
+        onChanged();
+      } else {
+        databasesBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder clearDatabases() {
+      if (databasesBuilder_ == null) {
+        databases_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        databasesBuilder_.clear();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public Builder removeDatabases(int index) {
+      if (databasesBuilder_ == null) {
+        ensureDatabasesIsMutable();
+        databases_.remove(index);
+        onChanged();
+      } else {
+        databasesBuilder_.remove(index);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Database.Builder getDatabasesBuilder(int index) {
+      return getDatabasesFieldBuilder().getBuilder(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder getDatabasesOrBuilder(int index) {
+      if (databasesBuilder_ == null) {
+        return databases_.get(index);
+      } else {
+        return databasesBuilder_.getMessageOrBuilder(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public java.util.List<? extends com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>
+        getDatabasesOrBuilderList() {
+      if (databasesBuilder_ != null) {
+        return databasesBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(databases_);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Database.Builder addDatabasesBuilder() {
+      return getDatabasesFieldBuilder()
+          .addBuilder(com.google.cloud.alloydb.v1alpha.Database.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public com.google.cloud.alloydb.v1alpha.Database.Builder addDatabasesBuilder(int index) {
+      return getDatabasesFieldBuilder()
+          .addBuilder(index, com.google.cloud.alloydb.v1alpha.Database.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of databases
+     * </pre>
+     *
+     * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+     */
+    public java.util.List<com.google.cloud.alloydb.v1alpha.Database.Builder>
+        getDatabasesBuilderList() {
+      return getDatabasesFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.alloydb.v1alpha.Database,
+            com.google.cloud.alloydb.v1alpha.Database.Builder,
+            com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>
+        getDatabasesFieldBuilder() {
+      if (databasesBuilder_ == null) {
+        databasesBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.alloydb.v1alpha.Database,
+                com.google.cloud.alloydb.v1alpha.Database.Builder,
+                com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>(
+                databases_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        databases_ = null;
+      }
+      return databasesBuilder_;
+    }
+
+    private java.lang.Object nextPageToken_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * A token identifying the next page of results the server should return.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The nextPageToken.
+     */
+    public java.lang.String getNextPageToken() {
+      java.lang.Object ref = nextPageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        nextPageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A token identifying the next page of results the server should return.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The bytes for nextPageToken.
+     */
+    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+      java.lang.Object ref = nextPageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        nextPageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A token identifying the next page of results the server should return.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A token identifying the next page of results the server should return.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearNextPageToken() {
+      nextPageToken_ = getDefaultInstance().getNextPageToken();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * A token identifying the next page of results the server should return.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The bytes for nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      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.alloydb.v1alpha.ListDatabasesResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.alloydb.v1alpha.ListDatabasesResponse)
+  private static final com.google.cloud.alloydb.v1alpha.ListDatabasesResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.alloydb.v1alpha.ListDatabasesResponse();
+  }
+
+  public static com.google.cloud.alloydb.v1alpha.ListDatabasesResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListDatabasesResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ListDatabasesResponse>() {
+        @java.lang.Override
+        public ListDatabasesResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListDatabasesResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListDatabasesResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.alloydb.v1alpha.ListDatabasesResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponseOrBuilder.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponseOrBuilder.java
new file mode 100644
index 000000000000..e674cda1ac7b
--- /dev/null
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ListDatabasesResponseOrBuilder.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2023 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/alloydb/v1alpha/service.proto
+
+package com.google.cloud.alloydb.v1alpha;
+
+public interface ListDatabasesResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.alloydb.v1alpha.ListDatabasesResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  java.util.List<com.google.cloud.alloydb.v1alpha.Database> getDatabasesList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  com.google.cloud.alloydb.v1alpha.Database getDatabases(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  int getDatabasesCount();
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  java.util.List<? extends com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder>
+      getDatabasesOrBuilderList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of databases
+   * </pre>
+   *
+   * <code>repeated .google.cloud.alloydb.v1alpha.Database databases = 1;</code>
+   */
+  com.google.cloud.alloydb.v1alpha.DatabaseOrBuilder getDatabasesOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * A token identifying the next page of results the server should return.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   *
+   *
+   * <pre>
+   * A token identifying the next page of results the server should return.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString getNextPageTokenBytes();
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ResourcesProto.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ResourcesProto.java
index 928a78555334..651b2d0efbd8 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ResourcesProto.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ResourcesProto.java
@@ -99,6 +99,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_alloydb_v1alpha_Cluster_PrimaryConfig_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_alloydb_v1alpha_Cluster_PrimaryConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_alloydb_v1alpha_Cluster_LabelsEntry_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -135,6 +139,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_alloydb_v1alpha_Instance_ClientConnectionConfig_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_alloydb_v1alpha_Instance_ClientConnectionConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_alloydb_v1alpha_Instance_LabelsEntry_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -183,6 +203,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_alloydb_v1alpha_User_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_alloydb_v1alpha_User_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_Database_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_Database_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -193,308 +217,342 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n,google/cloud/alloydb/v1alpha/resources"
-          + ".proto\022\034google.cloud.alloydb.v1alpha\032\037go"
-          + "ogle/api/field_behavior.proto\032\031google/ap"
-          + "i/resource.proto\032\036google/protobuf/durati"
-          + "on.proto\032\037google/protobuf/timestamp.prot"
-          + "o\032\036google/protobuf/wrappers.proto\032\033googl"
-          + "e/type/dayofweek.proto\032\033google/type/time"
-          + "ofday.proto\".\n\014UserPassword\022\014\n\004user\030\001 \001("
-          + "\t\022\020\n\010password\030\002 \001(\t\"\353\001\n\017MigrationSource\022"
-          + "\027\n\thost_port\030\001 \001(\tB\004\342A\001\003\022\032\n\014reference_id"
-          + "\030\002 \001(\tB\004\342A\001\003\022\\\n\013source_type\030\003 \001(\0162A.goog"
-          + "le.cloud.alloydb.v1alpha.MigrationSource"
-          + ".MigrationSourceTypeB\004\342A\001\003\"E\n\023MigrationS"
-          + "ourceType\022%\n!MIGRATION_SOURCE_TYPE_UNSPE"
-          + "CIFIED\020\000\022\007\n\003DMS\020\001\"(\n\020EncryptionConfig\022\024\n"
-          + "\014kms_key_name\030\001 \001(\t\"\215\002\n\016EncryptionInfo\022P"
-          + "\n\017encryption_type\030\001 \001(\01621.google.cloud.a"
-          + "lloydb.v1alpha.EncryptionInfo.TypeB\004\342A\001\003"
-          + "\022K\n\020kms_key_versions\030\002 \003(\tB1\342A\001\003\372A*\n(clo"
-          + "udkms.googleapis.com/CryptoKeyVersion\"\\\n"
-          + "\004Type\022\024\n\020TYPE_UNSPECIFIED\020\000\022\035\n\031GOOGLE_DE"
-          + "FAULT_ENCRYPTION\020\001\022\037\n\033CUSTOMER_MANAGED_E"
-          + "NCRYPTION\020\002\"\212\003\n\tSslConfig\022G\n\010ssl_mode\030\001 "
-          + "\001(\0162/.google.cloud.alloydb.v1alpha.SslCo"
-          + "nfig.SslModeB\004\342A\001\001\022I\n\tca_source\030\002 \001(\01620."
-          + "google.cloud.alloydb.v1alpha.SslConfig.C"
-          + "aSourceB\004\342A\001\001\"\252\001\n\007SslMode\022\030\n\024SSL_MODE_UN"
-          + "SPECIFIED\020\000\022\026\n\016SSL_MODE_ALLOW\020\001\032\002\010\001\022\030\n\020S"
-          + "SL_MODE_REQUIRE\020\002\032\002\010\001\022\032\n\022SSL_MODE_VERIFY"
-          + "_CA\020\003\032\002\010\001\022#\n\037ALLOW_UNENCRYPTED_AND_ENCRY"
-          + "PTED\020\004\022\022\n\016ENCRYPTED_ONLY\020\005\"<\n\010CaSource\022\031"
-          + "\n\025CA_SOURCE_UNSPECIFIED\020\000\022\025\n\021CA_SOURCE_M"
-          + "ANAGED\020\001\"\377\006\n\025AutomatedBackupPolicy\022]\n\017we"
-          + "ekly_schedule\030\002 \001(\0132B.google.cloud.alloy"
-          + "db.v1alpha.AutomatedBackupPolicy.WeeklyS"
-          + "cheduleH\000\022f\n\024time_based_retention\030\004 \001(\0132"
-          + "F.google.cloud.alloydb.v1alpha.Automated"
-          + "BackupPolicy.TimeBasedRetentionH\001\022n\n\030qua"
-          + "ntity_based_retention\030\005 \001(\0132J.google.clo"
-          + "ud.alloydb.v1alpha.AutomatedBackupPolicy"
-          + ".QuantityBasedRetentionH\001\022\024\n\007enabled\030\001 \001"
-          + "(\010H\002\210\001\001\0220\n\rbackup_window\030\003 \001(\0132\031.google."
-          + "protobuf.Duration\022O\n\021encryption_config\030\010"
-          + " \001(\0132..google.cloud.alloydb.v1alpha.Encr"
-          + "yptionConfigB\004\342A\001\001\022\020\n\010location\030\006 \001(\t\022O\n\006"
-          + "labels\030\007 \003(\0132?.google.cloud.alloydb.v1al"
-          + "pha.AutomatedBackupPolicy.LabelsEntry\032k\n"
-          + "\016WeeklySchedule\022+\n\013start_times\030\001 \003(\0132\026.g"
-          + "oogle.type.TimeOfDay\022,\n\014days_of_week\030\002 \003"
-          + "(\0162\026.google.type.DayOfWeek\032I\n\022TimeBasedR"
-          + "etention\0223\n\020retention_period\030\001 \001(\0132\031.goo"
-          + "gle.protobuf.Duration\032\'\n\026QuantityBasedRe"
-          + "tention\022\r\n\005count\030\001 \001(\005\032-\n\013LabelsEntry\022\013\n"
-          + "\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001B\n\n\010schedul"
-          + "eB\013\n\tretentionB\n\n\010_enabled\"\243\001\n\026Continuou"
-          + "sBackupConfig\022\024\n\007enabled\030\001 \001(\010H\000\210\001\001\022\034\n\024r"
-          + "ecovery_window_days\030\004 \001(\005\022I\n\021encryption_"
-          + "config\030\003 \001(\0132..google.cloud.alloydb.v1al"
-          + "pha.EncryptionConfigB\n\n\010_enabled\"\217\002\n\024Con"
-          + "tinuousBackupInfo\022K\n\017encryption_info\030\001 \001"
-          + "(\0132,.google.cloud.alloydb.v1alpha.Encryp"
-          + "tionInfoB\004\342A\001\003\0226\n\014enabled_time\030\002 \001(\0132\032.g"
-          + "oogle.protobuf.TimestampB\004\342A\001\003\022.\n\010schedu"
-          + "le\030\003 \003(\0162\026.google.type.DayOfWeekB\004\342A\001\003\022B"
-          + "\n\030earliest_restorable_time\030\004 \001(\0132\032.googl"
-          + "e.protobuf.TimestampB\004\342A\001\003\"e\n\014BackupSour"
-          + "ce\022\030\n\nbackup_uid\030\002 \001(\tB\004\342A\001\003\022;\n\013backup_n"
-          + "ame\030\001 \001(\tB&\342A\001\002\372A\037\n\035alloydb.googleapis.c"
-          + "om/Backup\"h\n\026ContinuousBackupSource\022\025\n\007c"
-          + "luster\030\001 \001(\tB\004\342A\001\002\0227\n\rpoint_in_time\030\002 \001("
-          + "\0132\032.google.protobuf.TimestampB\004\342A\001\002\"\256\022\n\007"
-          + "Cluster\022I\n\rbackup_source\030\017 \001(\0132*.google."
-          + "cloud.alloydb.v1alpha.BackupSourceB\004\342A\001\003"
-          + "H\000\022O\n\020migration_source\030\020 \001(\0132-.google.cl"
-          + "oud.alloydb.v1alpha.MigrationSourceB\004\342A\001"
-          + "\003H\000\022\022\n\004name\030\001 \001(\tB\004\342A\001\003\022\024\n\014display_name\030"
-          + "\002 \001(\t\022\021\n\003uid\030\003 \001(\tB\004\342A\001\003\0225\n\013create_time\030"
-          + "\004 \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\022"
-          + "5\n\013update_time\030\005 \001(\0132\032.google.protobuf.T"
-          + "imestampB\004\342A\001\003\0225\n\013delete_time\030\006 \001(\0132\032.go"
-          + "ogle.protobuf.TimestampB\004\342A\001\003\022A\n\006labels\030"
-          + "\007 \003(\01321.google.cloud.alloydb.v1alpha.Clu"
-          + "ster.LabelsEntry\022@\n\005state\030\010 \001(\0162+.google"
-          + ".cloud.alloydb.v1alpha.Cluster.StateB\004\342A"
-          + "\001\003\022M\n\014cluster_type\030\030 \001(\01621.google.cloud."
-          + "alloydb.v1alpha.Cluster.ClusterTypeB\004\342A\001"
-          + "\003\022M\n\020database_version\030\t \001(\0162-.google.clo"
-          + "ud.alloydb.v1alpha.DatabaseVersionB\004\342A\001\001"
-          + "\022Q\n\016network_config\030\035 \001(\01323.google.cloud."
-          + "alloydb.v1alpha.Cluster.NetworkConfigB\004\342"
-          + "A\001\001\022:\n\007network\030\n \001(\tB)\030\001\342A\001\002\372A \n\036compute"
-          + ".googleapis.com/Network\022\014\n\004etag\030\013 \001(\t\022K\n"
-          + "\013annotations\030\014 \003(\01326.google.cloud.alloyd"
-          + "b.v1alpha.Cluster.AnnotationsEntry\022\031\n\013re"
-          + "conciling\030\r \001(\010B\004\342A\001\003\022F\n\014initial_user\030\016 "
-          + "\001(\0132*.google.cloud.alloydb.v1alpha.UserP"
-          + "asswordB\004\342A\001\004\022T\n\027automated_backup_policy"
-          + "\030\021 \001(\01323.google.cloud.alloydb.v1alpha.Au"
-          + "tomatedBackupPolicy\022?\n\nssl_config\030\022 \001(\0132"
-          + "\'.google.cloud.alloydb.v1alpha.SslConfig"
-          + "B\002\030\001\022O\n\021encryption_config\030\023 \001(\0132..google"
-          + ".cloud.alloydb.v1alpha.EncryptionConfigB"
-          + "\004\342A\001\001\022K\n\017encryption_info\030\024 \001(\0132,.google."
-          + "cloud.alloydb.v1alpha.EncryptionInfoB\004\342A"
-          + "\001\003\022\\\n\030continuous_backup_config\030\033 \001(\01324.g"
-          + "oogle.cloud.alloydb.v1alpha.ContinuousBa"
-          + "ckupConfigB\004\342A\001\001\022X\n\026continuous_backup_in"
-          + "fo\030\034 \001(\01322.google.cloud.alloydb.v1alpha."
-          + "ContinuousBackupInfoB\004\342A\001\003\022O\n\020secondary_"
-          + "config\030\026 \001(\01325.google.cloud.alloydb.v1al"
-          + "pha.Cluster.SecondaryConfig\022Q\n\016primary_c"
-          + "onfig\030\027 \001(\01323.google.cloud.alloydb.v1alp"
-          + "ha.Cluster.PrimaryConfigB\004\342A\001\003\022\025\n\rsatisf"
-          + "ies_pzs\030\036 \001(\010\032k\n\rNetworkConfig\0228\n\007networ"
-          + "k\030\001 \001(\tB\'\342A\001\002\372A \n\036compute.googleapis.com"
-          + "/Network\022 \n\022allocated_ip_range\030\002 \001(\tB\004\342A"
-          + "\001\001\032/\n\017SecondaryConfig\022\034\n\024primary_cluster"
-          + "_name\030\001 \001(\t\0326\n\rPrimaryConfig\022%\n\027secondar"
-          + "y_cluster_names\030\001 \003(\tB\004\342A\001\003\032-\n\013LabelsEnt"
-          + "ry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\0322\n\020An"
-          + "notationsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001"
-          + "(\t:\0028\001\"\234\001\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022"
-          + "\t\n\005READY\020\001\022\013\n\007STOPPED\020\002\022\t\n\005EMPTY\020\003\022\014\n\010CR"
-          + "EATING\020\004\022\014\n\010DELETING\020\005\022\n\n\006FAILED\020\006\022\021\n\rBO"
-          + "OTSTRAPPING\020\007\022\017\n\013MAINTENANCE\020\010\022\r\n\tPROMOT"
-          + "ING\020\t\"G\n\013ClusterType\022\034\n\030CLUSTER_TYPE_UNS"
-          + "PECIFIED\020\000\022\013\n\007PRIMARY\020\001\022\r\n\tSECONDARY\020\002:b"
-          + "\352A_\n\036alloydb.googleapis.com/Cluster\022:pro"
-          + "jects/{project}/locations/{location}/clu"
-          + "sters/{cluster}R\001\001B\010\n\006source\"\323\024\n\010Instanc"
-          + "e\022\022\n\004name\030\001 \001(\tB\004\342A\001\003\022\024\n\014display_name\030\002 "
-          + "\001(\t\022\021\n\003uid\030\003 \001(\tB\004\342A\001\003\0225\n\013create_time\030\004 "
-          + "\001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\0225\n"
-          + "\013update_time\030\005 \001(\0132\032.google.protobuf.Tim"
-          + "estampB\004\342A\001\003\0225\n\013delete_time\030\006 \001(\0132\032.goog"
-          + "le.protobuf.TimestampB\004\342A\001\003\022B\n\006labels\030\007 "
-          + "\003(\01322.google.cloud.alloydb.v1alpha.Insta"
-          + "nce.LabelsEntry\022A\n\005state\030\010 \001(\0162,.google."
-          + "cloud.alloydb.v1alpha.Instance.StateB\004\342A"
-          + "\001\003\022P\n\rinstance_type\030\t \001(\01623.google.cloud"
-          + ".alloydb.v1alpha.Instance.InstanceTypeB\004"
-          + "\342A\001\002\022L\n\016machine_config\030\n \001(\01324.google.cl"
-          + "oud.alloydb.v1alpha.Instance.MachineConf"
-          + "ig\022R\n\021availability_type\030\013 \001(\01627.google.c"
-          + "loud.alloydb.v1alpha.Instance.Availabili"
-          + "tyType\022\020\n\010gce_zone\030\014 \001(\t\022Q\n\016database_fla"
-          + "gs\030\r \003(\01329.google.cloud.alloydb.v1alpha."
-          + "Instance.DatabaseFlagsEntry\022H\n\rwritable_"
-          + "node\030\023 \001(\0132+.google.cloud.alloydb.v1alph"
-          + "a.Instance.NodeB\004\342A\001\003\022@\n\005nodes\030\024 \003(\0132+.g"
-          + "oogle.cloud.alloydb.v1alpha.Instance.Nod"
-          + "eB\004\342A\001\003\022a\n\025query_insights_config\030\025 \001(\0132B"
-          + ".google.cloud.alloydb.v1alpha.Instance.Q"
-          + "ueryInsightsInstanceConfig\022O\n\020read_pool_"
-          + "config\030\016 \001(\01325.google.cloud.alloydb.v1al"
-          + "pha.Instance.ReadPoolConfig\022\030\n\nip_addres"
-          + "s\030\017 \001(\tB\004\342A\001\003\022\031\n\013reconciling\030\020 \001(\010B\004\342A\001\003"
-          + "\022\014\n\004etag\030\021 \001(\t\022L\n\013annotations\030\022 \003(\01327.go"
-          + "ogle.cloud.alloydb.v1alpha.Instance.Anno"
-          + "tationsEntry\022J\n\rupdate_policy\030\026 \001(\01323.go"
+          + ".proto\022\034google.cloud.alloydb.v1alpha\032\036go"
+          + "ogle/protobuf/duration.proto\032\037google/pro"
+          + "tobuf/timestamp.proto\032\036google/protobuf/w"
+          + "rappers.proto\032\033google/type/dayofweek.pro"
+          + "to\032\033google/type/timeofday.proto\032\037google/"
+          + "api/field_behavior.proto\032\033google/api/fie"
+          + "ld_info.proto\032\031google/api/resource.proto"
+          + "\".\n\014UserPassword\022\014\n\004user\030\001 \001(\t\022\020\n\010passwo"
+          + "rd\030\002 \001(\t\"\353\001\n\017MigrationSource\022\027\n\thost_por"
+          + "t\030\001 \001(\tB\004\342A\001\003\022\032\n\014reference_id\030\002 \001(\tB\004\342A\001"
+          + "\003\022\\\n\013source_type\030\003 \001(\0162A.google.cloud.al"
+          + "loydb.v1alpha.MigrationSource.MigrationS"
+          + "ourceTypeB\004\342A\001\003\"E\n\023MigrationSourceType\022%"
+          + "\n!MIGRATION_SOURCE_TYPE_UNSPECIFIED\020\000\022\007\n"
+          + "\003DMS\020\001\"(\n\020EncryptionConfig\022\024\n\014kms_key_na"
+          + "me\030\001 \001(\t\"\215\002\n\016EncryptionInfo\022P\n\017encryptio"
+          + "n_type\030\001 \001(\01621.google.cloud.alloydb.v1al"
+          + "pha.EncryptionInfo.TypeB\004\342A\001\003\022K\n\020kms_key"
+          + "_versions\030\002 \003(\tB1\342A\001\003\372A*\n(cloudkms.googl"
+          + "eapis.com/CryptoKeyVersion\"\\\n\004Type\022\024\n\020TY"
+          + "PE_UNSPECIFIED\020\000\022\035\n\031GOOGLE_DEFAULT_ENCRY"
+          + "PTION\020\001\022\037\n\033CUSTOMER_MANAGED_ENCRYPTION\020\002"
+          + "\"\212\003\n\tSslConfig\022G\n\010ssl_mode\030\001 \001(\0162/.googl"
+          + "e.cloud.alloydb.v1alpha.SslConfig.SslMod"
+          + "eB\004\342A\001\001\022I\n\tca_source\030\002 \001(\01620.google.clou"
+          + "d.alloydb.v1alpha.SslConfig.CaSourceB\004\342A"
+          + "\001\001\"\252\001\n\007SslMode\022\030\n\024SSL_MODE_UNSPECIFIED\020\000"
+          + "\022\026\n\016SSL_MODE_ALLOW\020\001\032\002\010\001\022\030\n\020SSL_MODE_REQ"
+          + "UIRE\020\002\032\002\010\001\022\032\n\022SSL_MODE_VERIFY_CA\020\003\032\002\010\001\022#"
+          + "\n\037ALLOW_UNENCRYPTED_AND_ENCRYPTED\020\004\022\022\n\016E"
+          + "NCRYPTED_ONLY\020\005\"<\n\010CaSource\022\031\n\025CA_SOURCE"
+          + "_UNSPECIFIED\020\000\022\025\n\021CA_SOURCE_MANAGED\020\001\"\377\006"
+          + "\n\025AutomatedBackupPolicy\022]\n\017weekly_schedu"
+          + "le\030\002 \001(\0132B.google.cloud.alloydb.v1alpha."
+          + "AutomatedBackupPolicy.WeeklyScheduleH\000\022f"
+          + "\n\024time_based_retention\030\004 \001(\0132F.google.cl"
+          + "oud.alloydb.v1alpha.AutomatedBackupPolic"
+          + "y.TimeBasedRetentionH\001\022n\n\030quantity_based"
+          + "_retention\030\005 \001(\0132J.google.cloud.alloydb."
+          + "v1alpha.AutomatedBackupPolicy.QuantityBa"
+          + "sedRetentionH\001\022\024\n\007enabled\030\001 \001(\010H\002\210\001\001\0220\n\r"
+          + "backup_window\030\003 \001(\0132\031.google.protobuf.Du"
+          + "ration\022O\n\021encryption_config\030\010 \001(\0132..goog"
+          + "le.cloud.alloydb.v1alpha.EncryptionConfi"
+          + "gB\004\342A\001\001\022\020\n\010location\030\006 \001(\t\022O\n\006labels\030\007 \003("
+          + "\0132?.google.cloud.alloydb.v1alpha.Automat"
+          + "edBackupPolicy.LabelsEntry\032k\n\016WeeklySche"
+          + "dule\022+\n\013start_times\030\001 \003(\0132\026.google.type."
+          + "TimeOfDay\022,\n\014days_of_week\030\002 \003(\0162\026.google"
+          + ".type.DayOfWeek\032I\n\022TimeBasedRetention\0223\n"
+          + "\020retention_period\030\001 \001(\0132\031.google.protobu"
+          + "f.Duration\032\'\n\026QuantityBasedRetention\022\r\n\005"
+          + "count\030\001 \001(\005\032-\n\013LabelsEntry\022\013\n\003key\030\001 \001(\t\022"
+          + "\r\n\005value\030\002 \001(\t:\0028\001B\n\n\010scheduleB\013\n\tretent"
+          + "ionB\n\n\010_enabled\"\243\001\n\026ContinuousBackupConf"
+          + "ig\022\024\n\007enabled\030\001 \001(\010H\000\210\001\001\022\034\n\024recovery_win"
+          + "dow_days\030\004 \001(\005\022I\n\021encryption_config\030\003 \001("
+          + "\0132..google.cloud.alloydb.v1alpha.Encrypt"
+          + "ionConfigB\n\n\010_enabled\"\217\002\n\024ContinuousBack"
+          + "upInfo\022K\n\017encryption_info\030\001 \001(\0132,.google"
+          + ".cloud.alloydb.v1alpha.EncryptionInfoB\004\342"
+          + "A\001\003\0226\n\014enabled_time\030\002 \001(\0132\032.google.proto"
+          + "buf.TimestampB\004\342A\001\003\022.\n\010schedule\030\003 \003(\0162\026."
+          + "google.type.DayOfWeekB\004\342A\001\003\022B\n\030earliest_"
+          + "restorable_time\030\004 \001(\0132\032.google.protobuf."
+          + "TimestampB\004\342A\001\003\"e\n\014BackupSource\022\030\n\nbacku"
+          + "p_uid\030\002 \001(\tB\004\342A\001\003\022;\n\013backup_name\030\001 \001(\tB&"
+          + "\342A\001\002\372A\037\n\035alloydb.googleapis.com/Backup\"h"
+          + "\n\026ContinuousBackupSource\022\025\n\007cluster\030\001 \001("
+          + "\tB\004\342A\001\002\0227\n\rpoint_in_time\030\002 \001(\0132\032.google."
+          + "protobuf.TimestampB\004\342A\001\002\"\304\023\n\007Cluster\022I\n\r"
+          + "backup_source\030\017 \001(\0132*.google.cloud.alloy"
+          + "db.v1alpha.BackupSourceB\004\342A\001\003H\000\022O\n\020migra"
+          + "tion_source\030\020 \001(\0132-.google.cloud.alloydb"
+          + ".v1alpha.MigrationSourceB\004\342A\001\003H\000\022\022\n\004name"
+          + "\030\001 \001(\tB\004\342A\001\003\022\024\n\014display_name\030\002 \001(\t\022\021\n\003ui"
+          + "d\030\003 \001(\tB\004\342A\001\003\0225\n\013create_time\030\004 \001(\0132\032.goo"
+          + "gle.protobuf.TimestampB\004\342A\001\003\0225\n\013update_t"
+          + "ime\030\005 \001(\0132\032.google.protobuf.TimestampB\004\342"
+          + "A\001\003\0225\n\013delete_time\030\006 \001(\0132\032.google.protob"
+          + "uf.TimestampB\004\342A\001\003\022A\n\006labels\030\007 \003(\01321.goo"
+          + "gle.cloud.alloydb.v1alpha.Cluster.Labels"
+          + "Entry\022@\n\005state\030\010 \001(\0162+.google.cloud.allo"
+          + "ydb.v1alpha.Cluster.StateB\004\342A\001\003\022M\n\014clust"
+          + "er_type\030\030 \001(\01621.google.cloud.alloydb.v1a"
+          + "lpha.Cluster.ClusterTypeB\004\342A\001\003\022M\n\020databa"
+          + "se_version\030\t \001(\0162-.google.cloud.alloydb."
+          + "v1alpha.DatabaseVersionB\004\342A\001\001\022Q\n\016network"
+          + "_config\030\035 \001(\01323.google.cloud.alloydb.v1a"
+          + "lpha.Cluster.NetworkConfigB\004\342A\001\001\022:\n\007netw"
+          + "ork\030\n \001(\tB)\030\001\342A\001\002\372A \n\036compute.googleapis"
+          + ".com/Network\022\014\n\004etag\030\013 \001(\t\022K\n\013annotation"
+          + "s\030\014 \003(\01326.google.cloud.alloydb.v1alpha.C"
+          + "luster.AnnotationsEntry\022\031\n\013reconciling\030\r"
+          + " \001(\010B\004\342A\001\003\022F\n\014initial_user\030\016 \001(\0132*.googl"
+          + "e.cloud.alloydb.v1alpha.UserPasswordB\004\342A"
+          + "\001\004\022T\n\027automated_backup_policy\030\021 \001(\01323.go"
+          + "ogle.cloud.alloydb.v1alpha.AutomatedBack"
+          + "upPolicy\022?\n\nssl_config\030\022 \001(\0132\'.google.cl"
+          + "oud.alloydb.v1alpha.SslConfigB\002\030\001\022O\n\021enc"
+          + "ryption_config\030\023 \001(\0132..google.cloud.allo"
+          + "ydb.v1alpha.EncryptionConfigB\004\342A\001\001\022K\n\017en"
+          + "cryption_info\030\024 \001(\0132,.google.cloud.alloy"
+          + "db.v1alpha.EncryptionInfoB\004\342A\001\003\022\\\n\030conti"
+          + "nuous_backup_config\030\033 \001(\01324.google.cloud"
+          + ".alloydb.v1alpha.ContinuousBackupConfigB"
+          + "\004\342A\001\001\022X\n\026continuous_backup_info\030\034 \001(\01322."
+          + "google.cloud.alloydb.v1alpha.ContinuousB"
+          + "ackupInfoB\004\342A\001\003\022O\n\020secondary_config\030\026 \001("
+          + "\01325.google.cloud.alloydb.v1alpha.Cluster"
+          + ".SecondaryConfig\022Q\n\016primary_config\030\027 \001(\013"
+          + "23.google.cloud.alloydb.v1alpha.Cluster."
+          + "PrimaryConfigB\004\342A\001\003\022\033\n\rsatisfies_pzi\030! \001"
+          + "(\010B\004\342A\001\003\022\033\n\rsatisfies_pzs\030\036 \001(\010B\004\342A\001\003\022I\n"
+          + "\npsc_config\030\037 \001(\0132/.google.cloud.alloydb"
+          + ".v1alpha.Cluster.PscConfigB\004\342A\001\001\032k\n\rNetw"
+          + "orkConfig\0228\n\007network\030\001 \001(\tB\'\342A\001\001\372A \n\036com"
+          + "pute.googleapis.com/Network\022 \n\022allocated"
+          + "_ip_range\030\002 \001(\tB\004\342A\001\001\032/\n\017SecondaryConfig"
+          + "\022\034\n\024primary_cluster_name\030\001 \001(\t\0326\n\rPrimar"
+          + "yConfig\022%\n\027secondary_cluster_names\030\001 \003(\t"
+          + "B\004\342A\001\003\032&\n\tPscConfig\022\031\n\013psc_enabled\030\001 \001(\010"
+          + "B\004\342A\001\001\032-\n\013LabelsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005va"
+          + "lue\030\002 \001(\t:\0028\001\0322\n\020AnnotationsEntry\022\013\n\003key"
+          + "\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\234\001\n\005State\022\025\n\021S"
+          + "TATE_UNSPECIFIED\020\000\022\t\n\005READY\020\001\022\013\n\007STOPPED"
+          + "\020\002\022\t\n\005EMPTY\020\003\022\014\n\010CREATING\020\004\022\014\n\010DELETING\020"
+          + "\005\022\n\n\006FAILED\020\006\022\021\n\rBOOTSTRAPPING\020\007\022\017\n\013MAIN"
+          + "TENANCE\020\010\022\r\n\tPROMOTING\020\t\"G\n\013ClusterType\022"
+          + "\034\n\030CLUSTER_TYPE_UNSPECIFIED\020\000\022\013\n\007PRIMARY"
+          + "\020\001\022\r\n\tSECONDARY\020\002:b\352A_\n\036alloydb.googleap"
+          + "is.com/Cluster\022:projects/{project}/locat"
+          + "ions/{location}/clusters/{cluster}R\001\001B\010\n"
+          + "\006source\"\244\033\n\010Instance\022\022\n\004name\030\001 \001(\tB\004\342A\001\003"
+          + "\022\024\n\014display_name\030\002 \001(\t\022\021\n\003uid\030\003 \001(\tB\004\342A\001"
+          + "\003\0225\n\013create_time\030\004 \001(\0132\032.google.protobuf"
+          + ".TimestampB\004\342A\001\003\0225\n\013update_time\030\005 \001(\0132\032."
+          + "google.protobuf.TimestampB\004\342A\001\003\0225\n\013delet"
+          + "e_time\030\006 \001(\0132\032.google.protobuf.Timestamp"
+          + "B\004\342A\001\003\022B\n\006labels\030\007 \003(\01322.google.cloud.al"
+          + "loydb.v1alpha.Instance.LabelsEntry\022A\n\005st"
+          + "ate\030\010 \001(\0162,.google.cloud.alloydb.v1alpha"
+          + ".Instance.StateB\004\342A\001\003\022P\n\rinstance_type\030\t"
+          + " \001(\01623.google.cloud.alloydb.v1alpha.Inst"
+          + "ance.InstanceTypeB\004\342A\001\002\022L\n\016machine_confi"
+          + "g\030\n \001(\01324.google.cloud.alloydb.v1alpha.I"
+          + "nstance.MachineConfig\022R\n\021availability_ty"
+          + "pe\030\013 \001(\01627.google.cloud.alloydb.v1alpha."
+          + "Instance.AvailabilityType\022\020\n\010gce_zone\030\014 "
+          + "\001(\t\022Q\n\016database_flags\030\r \003(\01329.google.clo"
+          + "ud.alloydb.v1alpha.Instance.DatabaseFlag"
+          + "sEntry\022H\n\rwritable_node\030\023 \001(\0132+.google.c"
+          + "loud.alloydb.v1alpha.Instance.NodeB\004\342A\001\003"
+          + "\022@\n\005nodes\030\024 \003(\0132+.google.cloud.alloydb.v"
+          + "1alpha.Instance.NodeB\004\342A\001\003\022a\n\025query_insi"
+          + "ghts_config\030\025 \001(\0132B.google.cloud.alloydb"
+          + ".v1alpha.Instance.QueryInsightsInstanceC"
+          + "onfig\022O\n\020read_pool_config\030\016 \001(\01325.google"
+          + ".cloud.alloydb.v1alpha.Instance.ReadPool"
+          + "Config\022\030\n\nip_address\030\017 \001(\tB\004\342A\001\003\022\031\n\013reco"
+          + "nciling\030\020 \001(\010B\004\342A\001\003\022\014\n\004etag\030\021 \001(\t\022L\n\013ann"
+          + "otations\030\022 \003(\01327.google.cloud.alloydb.v1"
+          + "alpha.Instance.AnnotationsEntry\022J\n\rupdat"
+          + "e_policy\030\026 \001(\01323.google.cloud.alloydb.v1"
+          + "alpha.Instance.UpdatePolicy\022e\n\030client_co"
+          + "nnection_config\030\027 \001(\0132=.google.cloud.all"
+          + "oydb.v1alpha.Instance.ClientConnectionCo"
+          + "nfigB\004\342A\001\001\022\033\n\rsatisfies_pzi\030\036 \001(\010B\004\342A\001\003\022"
+          + "\033\n\rsatisfies_pzs\030\030 \001(\010B\004\342A\001\003\022[\n\023psc_inst"
+          + "ance_config\030\034 \001(\01328.google.cloud.alloydb"
+          + ".v1alpha.Instance.PscInstanceConfigB\004\342A\001"
+          + "\001\022Z\n\016network_config\030\035 \001(\0132<.google.cloud"
+          + ".alloydb.v1alpha.Instance.InstanceNetwor"
+          + "kConfigB\004\342A\001\001\032\"\n\rMachineConfig\022\021\n\tcpu_co"
+          + "unt\030\001 \001(\005\032>\n\004Node\022\017\n\007zone_id\030\001 \001(\t\022\n\n\002id"
+          + "\030\002 \001(\t\022\n\n\002ip\030\003 \001(\t\022\r\n\005state\030\004 \001(\t\032\372\001\n\033Qu"
+          + "eryInsightsInstanceConfig\022$\n\027record_appl"
+          + "ication_tags\030\002 \001(\010H\000\210\001\001\022\"\n\025record_client"
+          + "_address\030\003 \001(\010H\001\210\001\001\022\033\n\023query_string_leng"
+          + "th\030\004 \001(\r\022#\n\026query_plans_per_minute\030\005 \001(\r"
+          + "H\002\210\001\001B\032\n\030_record_application_tagsB\030\n\026_re"
+          + "cord_client_addressB\031\n\027_query_plans_per_"
+          + "minute\032$\n\016ReadPoolConfig\022\022\n\nnode_count\030\001"
+          + " \001(\005\032\222\001\n\014UpdatePolicy\022F\n\004mode\030\001 \001(\01628.go"
           + "ogle.cloud.alloydb.v1alpha.Instance.Upda"
-          + "tePolicy\022e\n\030client_connection_config\030\027 \001"
-          + "(\0132=.google.cloud.alloydb.v1alpha.Instan"
-          + "ce.ClientConnectionConfigB\004\342A\001\001\022\025\n\rsatis"
-          + "fies_pzs\030\030 \001(\010\032\"\n\rMachineConfig\022\021\n\tcpu_c"
-          + "ount\030\001 \001(\005\032>\n\004Node\022\017\n\007zone_id\030\001 \001(\t\022\n\n\002i"
-          + "d\030\002 \001(\t\022\n\n\002ip\030\003 \001(\t\022\r\n\005state\030\004 \001(\t\032\372\001\n\033Q"
-          + "ueryInsightsInstanceConfig\022$\n\027record_app"
-          + "lication_tags\030\002 \001(\010H\000\210\001\001\022\"\n\025record_clien"
-          + "t_address\030\003 \001(\010H\001\210\001\001\022\033\n\023query_string_len"
-          + "gth\030\004 \001(\r\022#\n\026query_plans_per_minute\030\005 \001("
-          + "\rH\002\210\001\001B\032\n\030_record_application_tagsB\030\n\026_r"
-          + "ecord_client_addressB\031\n\027_query_plans_per"
-          + "_minute\032$\n\016ReadPoolConfig\022\022\n\nnode_count\030"
-          + "\001 \001(\005\032\222\001\n\014UpdatePolicy\022F\n\004mode\030\001 \001(\01628.g"
-          + "oogle.cloud.alloydb.v1alpha.Instance.Upd"
-          + "atePolicy.Mode\":\n\004Mode\022\024\n\020MODE_UNSPECIFI"
-          + "ED\020\000\022\013\n\007DEFAULT\020\001\022\017\n\013FORCE_APPLY\020\002\032}\n\026Cl"
-          + "ientConnectionConfig\022 \n\022require_connecto"
-          + "rs\030\001 \001(\010B\004\342A\001\001\022A\n\nssl_config\030\002 \001(\0132\'.goo"
-          + "gle.cloud.alloydb.v1alpha.SslConfigB\004\342A\001"
-          + "\001\032-\n\013LabelsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002"
-          + " \001(\t:\0028\001\0324\n\022DatabaseFlagsEntry\022\013\n\003key\030\001 "
-          + "\001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\0322\n\020AnnotationsEnt"
-          + "ry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\221\001\n\005S"
-          + "tate\022\025\n\021STATE_UNSPECIFIED\020\000\022\t\n\005READY\020\001\022\013"
-          + "\n\007STOPPED\020\002\022\014\n\010CREATING\020\003\022\014\n\010DELETING\020\004\022"
-          + "\017\n\013MAINTENANCE\020\005\022\n\n\006FAILED\020\006\022\021\n\rBOOTSTRA"
-          + "PPING\020\010\022\r\n\tPROMOTING\020\t\"X\n\014InstanceType\022\035"
-          + "\n\031INSTANCE_TYPE_UNSPECIFIED\020\000\022\013\n\007PRIMARY"
-          + "\020\001\022\r\n\tREAD_POOL\020\002\022\r\n\tSECONDARY\020\003\"N\n\020Avai"
-          + "labilityType\022!\n\035AVAILABILITY_TYPE_UNSPEC"
-          + "IFIED\020\000\022\t\n\005ZONAL\020\001\022\014\n\010REGIONAL\020\002:x\352Au\n\037a"
-          + "lloydb.googleapis.com/Instance\022Oprojects"
-          + "/{project}/locations/{location}/clusters"
-          + "/{cluster}/instances/{instance}R\001\001\"\211\002\n\016C"
-          + "onnectionInfo\022\014\n\004name\030\001 \001(\t\022\030\n\nip_addres"
-          + "s\030\002 \001(\tB\004\342A\001\003\022%\n\025pem_certificate_chain\030\003"
-          + " \003(\tB\006\030\001\342A\001\003\022\032\n\014instance_uid\030\004 \001(\tB\004\342A\001\003"
-          + ":\213\001\352A\207\001\n%alloydb.googleapis.com/Connecti"
-          + "onInfo\022^projects/{project}/locations/{lo"
-          + "cation}/clusters/{cluster}/instances/{in"
-          + "stance}/connectionInfo\"\366\013\n\006Backup\022\022\n\004nam"
-          + "e\030\001 \001(\tB\004\342A\001\003\022\024\n\014display_name\030\002 \001(\t\022\021\n\003u"
-          + "id\030\003 \001(\tB\004\342A\001\003\0225\n\013create_time\030\004 \001(\0132\032.go"
-          + "ogle.protobuf.TimestampB\004\342A\001\003\0225\n\013update_"
-          + "time\030\005 \001(\0132\032.google.protobuf.TimestampB\004"
-          + "\342A\001\003\0225\n\013delete_time\030\017 \001(\0132\032.google.proto"
-          + "buf.TimestampB\004\342A\001\003\022@\n\006labels\030\006 \003(\01320.go"
-          + "ogle.cloud.alloydb.v1alpha.Backup.Labels"
-          + "Entry\022?\n\005state\030\007 \001(\0162*.google.cloud.allo"
-          + "ydb.v1alpha.Backup.StateB\004\342A\001\003\0227\n\004type\030\010"
-          + " \001(\0162).google.cloud.alloydb.v1alpha.Back"
-          + "up.Type\022\023\n\013description\030\t \001(\t\022\031\n\013cluster_"
-          + "uid\030\022 \001(\tB\004\342A\001\003\022=\n\014cluster_name\030\n \001(\tB\'\342"
-          + "A\001\002\372A \n\036alloydb.googleapis.com/Cluster\022\031"
-          + "\n\013reconciling\030\013 \001(\010B\004\342A\001\003\022O\n\021encryption_"
-          + "config\030\014 \001(\0132..google.cloud.alloydb.v1al"
-          + "pha.EncryptionConfigB\004\342A\001\001\022K\n\017encryption"
-          + "_info\030\r \001(\0132,.google.cloud.alloydb.v1alp"
-          + "ha.EncryptionInfoB\004\342A\001\003\022\014\n\004etag\030\016 \001(\t\022J\n"
-          + "\013annotations\030\020 \003(\01325.google.cloud.alloyd"
-          + "b.v1alpha.Backup.AnnotationsEntry\022\030\n\nsiz"
-          + "e_bytes\030\021 \001(\003B\004\342A\001\003\0225\n\013expiry_time\030\023 \001(\013"
-          + "2\032.google.protobuf.TimestampB\004\342A\001\003\022W\n\017ex"
-          + "piry_quantity\030\024 \001(\01328.google.cloud.alloy"
-          + "db.v1alpha.Backup.QuantityBasedExpiryB\004\342"
-          + "A\001\003\022\025\n\rsatisfies_pzs\030\025 \001(\010\022M\n\020database_v"
-          + "ersion\030\026 \001(\0162-.google.cloud.alloydb.v1al"
-          + "pha.DatabaseVersionB\004\342A\001\003\032Y\n\023QuantityBas"
-          + "edExpiry\022\035\n\017retention_count\030\001 \001(\005B\004\342A\001\003\022"
-          + "#\n\025total_retention_count\030\002 \001(\005B\004\342A\001\003\032-\n\013"
-          + "LabelsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:"
-          + "\0028\001\0322\n\020AnnotationsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005"
-          + "value\030\002 \001(\t:\0028\001\"Q\n\005State\022\025\n\021STATE_UNSPEC"
-          + "IFIED\020\000\022\t\n\005READY\020\001\022\014\n\010CREATING\020\002\022\n\n\006FAIL"
-          + "ED\020\003\022\014\n\010DELETING\020\004\"J\n\004Type\022\024\n\020TYPE_UNSPE"
-          + "CIFIED\020\000\022\r\n\tON_DEMAND\020\001\022\r\n\tAUTOMATED\020\002\022\016"
-          + "\n\nCONTINUOUS\020\003:_\352A\\\n\035alloydb.googleapis."
-          + "com/Backup\0228projects/{project}/locations"
-          + "/{location}/backups/{backup}R\001\001\"\334\006\n\025Supp"
-          + "ortedDatabaseFlag\022e\n\023string_restrictions"
-          + "\030\007 \001(\0132F.google.cloud.alloydb.v1alpha.Su"
-          + "pportedDatabaseFlag.StringRestrictionsH\000"
-          + "\022g\n\024integer_restrictions\030\010 \001(\0132G.google."
+          + "tePolicy.Mode\":\n\004Mode\022\024\n\020MODE_UNSPECIFIE"
+          + "D\020\000\022\013\n\007DEFAULT\020\001\022\017\n\013FORCE_APPLY\020\002\032}\n\026Cli"
+          + "entConnectionConfig\022 \n\022require_connector"
+          + "s\030\001 \001(\010B\004\342A\001\001\022A\n\nssl_config\030\002 \001(\0132\'.goog"
+          + "le.cloud.alloydb.v1alpha.SslConfigB\004\342A\001\001"
+          + "\032O\n\022PscInterfaceConfig\022\035\n\025consumer_endpo"
+          + "int_ips\030\001 \003(\t\022\032\n\022network_attachment\030\002 \001("
+          + "\t\032\270\002\n\021PscInstanceConfig\022%\n\027service_attac"
+          + "hment_link\030\001 \001(\tB\004\342A\001\003\022\'\n\031allowed_consum"
+          + "er_projects\030\002 \003(\tB\004\342A\001\001\022\'\n\031allowed_consu"
+          + "mer_networks\030\003 \003(\tB\004\342A\001\001\022^\n\025psc_interfac"
+          + "e_configs\030\004 \003(\01329.google.cloud.alloydb.v"
+          + "1alpha.Instance.PscInterfaceConfigB\004\342A\001\001"
+          + "\022/\n!outgoing_service_attachment_links\030\005 "
+          + "\003(\tB\004\342A\001\001\022\031\n\013psc_enabled\030\006 \001(\010B\004\342A\001\001\032\346\001\n"
+          + "\025InstanceNetworkConfig\022z\n\034authorized_ext"
+          + "ernal_networks\030\001 \003(\0132N.google.cloud.allo"
+          + "ydb.v1alpha.Instance.InstanceNetworkConf"
+          + "ig.AuthorizedNetworkB\004\342A\001\001\022\036\n\020enable_pub"
+          + "lic_ip\030\002 \001(\010B\004\342A\001\001\0321\n\021AuthorizedNetwork\022"
+          + "\034\n\ncidr_range\030\001 \001(\tB\010\342\214\317\327\010\002\010\002\032-\n\013LabelsE"
+          + "ntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\0324\n\022"
+          + "DatabaseFlagsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value"
+          + "\030\002 \001(\t:\0028\001\0322\n\020AnnotationsEntry\022\013\n\003key\030\001 "
+          + "\001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\221\001\n\005State\022\025\n\021STAT"
+          + "E_UNSPECIFIED\020\000\022\t\n\005READY\020\001\022\013\n\007STOPPED\020\002\022"
+          + "\014\n\010CREATING\020\003\022\014\n\010DELETING\020\004\022\017\n\013MAINTENAN"
+          + "CE\020\005\022\n\n\006FAILED\020\006\022\021\n\rBOOTSTRAPPING\020\010\022\r\n\tP"
+          + "ROMOTING\020\t\"X\n\014InstanceType\022\035\n\031INSTANCE_T"
+          + "YPE_UNSPECIFIED\020\000\022\013\n\007PRIMARY\020\001\022\r\n\tREAD_P"
+          + "OOL\020\002\022\r\n\tSECONDARY\020\003\"N\n\020AvailabilityType"
+          + "\022!\n\035AVAILABILITY_TYPE_UNSPECIFIED\020\000\022\t\n\005Z"
+          + "ONAL\020\001\022\014\n\010REGIONAL\020\002:x\352Au\n\037alloydb.googl"
+          + "eapis.com/Instance\022Oprojects/{project}/l"
+          + "ocations/{location}/clusters/{cluster}/i"
+          + "nstances/{instance}R\001\001\"\262\002\n\016ConnectionInf"
+          + "o\022\014\n\004name\030\001 \001(\t\022\030\n\nip_address\030\002 \001(\tB\004\342A\001"
+          + "\003\022\'\n\021public_ip_address\030\005 \001(\tB\014\342A\001\003\342\214\317\327\010\002"
+          + "\010\002\022%\n\025pem_certificate_chain\030\003 \003(\tB\006\030\001\342A\001"
+          + "\003\022\032\n\014instance_uid\030\004 \001(\tB\004\342A\001\003:\213\001\352A\207\001\n%al"
+          + "loydb.googleapis.com/ConnectionInfo\022^pro"
+          + "jects/{project}/locations/{location}/clu"
+          + "sters/{cluster}/instances/{instance}/con"
+          + "nectionInfo\"\231\014\n\006Backup\022\022\n\004name\030\001 \001(\tB\004\342A"
+          + "\001\003\022\024\n\014display_name\030\002 \001(\t\022\021\n\003uid\030\003 \001(\tB\004\342"
+          + "A\001\003\0225\n\013create_time\030\004 \001(\0132\032.google.protob"
+          + "uf.TimestampB\004\342A\001\003\0225\n\013update_time\030\005 \001(\0132"
+          + "\032.google.protobuf.TimestampB\004\342A\001\003\0225\n\013del"
+          + "ete_time\030\017 \001(\0132\032.google.protobuf.Timesta"
+          + "mpB\004\342A\001\003\022@\n\006labels\030\006 \003(\01320.google.cloud."
+          + "alloydb.v1alpha.Backup.LabelsEntry\022?\n\005st"
+          + "ate\030\007 \001(\0162*.google.cloud.alloydb.v1alpha"
+          + ".Backup.StateB\004\342A\001\003\0227\n\004type\030\010 \001(\0162).goog"
+          + "le.cloud.alloydb.v1alpha.Backup.Type\022\023\n\013"
+          + "description\030\t \001(\t\022\031\n\013cluster_uid\030\022 \001(\tB\004"
+          + "\342A\001\003\022=\n\014cluster_name\030\n \001(\tB\'\342A\001\002\372A \n\036all"
+          + "oydb.googleapis.com/Cluster\022\031\n\013reconcili"
+          + "ng\030\013 \001(\010B\004\342A\001\003\022O\n\021encryption_config\030\014 \001("
+          + "\0132..google.cloud.alloydb.v1alpha.Encrypt"
+          + "ionConfigB\004\342A\001\001\022K\n\017encryption_info\030\r \001(\013"
+          + "2,.google.cloud.alloydb.v1alpha.Encrypti"
+          + "onInfoB\004\342A\001\003\022\014\n\004etag\030\016 \001(\t\022J\n\013annotation"
+          + "s\030\020 \003(\01325.google.cloud.alloydb.v1alpha.B"
+          + "ackup.AnnotationsEntry\022\030\n\nsize_bytes\030\021 \001"
+          + "(\003B\004\342A\001\003\0225\n\013expiry_time\030\023 \001(\0132\032.google.p"
+          + "rotobuf.TimestampB\004\342A\001\003\022W\n\017expiry_quanti"
+          + "ty\030\024 \001(\01328.google.cloud.alloydb.v1alpha."
+          + "Backup.QuantityBasedExpiryB\004\342A\001\003\022\033\n\rsati"
+          + "sfies_pzi\030\027 \001(\010B\004\342A\001\003\022\033\n\rsatisfies_pzs\030\025"
+          + " \001(\010B\004\342A\001\003\022M\n\020database_version\030\026 \001(\0162-.g"
+          + "oogle.cloud.alloydb.v1alpha.DatabaseVers"
+          + "ionB\004\342A\001\003\032Y\n\023QuantityBasedExpiry\022\035\n\017rete"
+          + "ntion_count\030\001 \001(\005B\004\342A\001\003\022#\n\025total_retenti"
+          + "on_count\030\002 \001(\005B\004\342A\001\003\032-\n\013LabelsEntry\022\013\n\003k"
+          + "ey\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\0322\n\020Annotatio"
+          + "nsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\""
+          + "Q\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\t\n\005READY"
+          + "\020\001\022\014\n\010CREATING\020\002\022\n\n\006FAILED\020\003\022\014\n\010DELETING"
+          + "\020\004\"J\n\004Type\022\024\n\020TYPE_UNSPECIFIED\020\000\022\r\n\tON_D"
+          + "EMAND\020\001\022\r\n\tAUTOMATED\020\002\022\016\n\nCONTINUOUS\020\003:_"
+          + "\352A\\\n\035alloydb.googleapis.com/Backup\0228proj"
+          + "ects/{project}/locations/{location}/back"
+          + "ups/{backup}R\001\001\"\334\006\n\025SupportedDatabaseFla"
+          + "g\022e\n\023string_restrictions\030\007 \001(\0132F.google."
           + "cloud.alloydb.v1alpha.SupportedDatabaseF"
-          + "lag.IntegerRestrictionsH\000\022\014\n\004name\030\001 \001(\t\022"
-          + "\021\n\tflag_name\030\002 \001(\t\022Q\n\nvalue_type\030\003 \001(\0162="
-          + ".google.cloud.alloydb.v1alpha.SupportedD"
-          + "atabaseFlag.ValueType\022\037\n\027accepts_multipl"
-          + "e_values\030\004 \001(\010\022L\n\025supported_db_versions\030"
-          + "\005 \003(\0162-.google.cloud.alloydb.v1alpha.Dat"
-          + "abaseVersion\022\033\n\023requires_db_restart\030\006 \001("
-          + "\010\032,\n\022StringRestrictions\022\026\n\016allowed_value"
-          + "s\030\001 \003(\t\032u\n\023IntegerRestrictions\022.\n\tmin_va"
-          + "lue\030\001 \001(\0132\033.google.protobuf.Int64Value\022."
-          + "\n\tmax_value\030\002 \001(\0132\033.google.protobuf.Int6"
-          + "4Value\"U\n\tValueType\022\032\n\026VALUE_TYPE_UNSPEC"
-          + "IFIED\020\000\022\n\n\006STRING\020\001\022\013\n\007INTEGER\020\002\022\t\n\005FLOA"
-          + "T\020\003\022\010\n\004NONE\020\004:g\352Ad\n,alloydb.googleapis.c"
-          + "om/SupportedDatabaseFlag\0224projects/{proj"
-          + "ect}/locations/{location}/flags/{flag}B\016"
-          + "\n\014restrictions\"\327\002\n\004User\022\022\n\004name\030\001 \001(\tB\004\342"
-          + "A\001\003\022\026\n\010password\030\002 \001(\tB\004\342A\001\004\022\034\n\016database_"
-          + "roles\030\004 \003(\tB\004\342A\001\001\022D\n\tuser_type\030\005 \001(\0162+.g"
-          + "oogle.cloud.alloydb.v1alpha.User.UserTyp"
-          + "eB\004\342A\001\001\"Q\n\010UserType\022\031\n\025USER_TYPE_UNSPECI"
-          + "FIED\020\000\022\024\n\020ALLOYDB_BUILT_IN\020\001\022\024\n\020ALLOYDB_"
-          + "IAM_USER\020\002:l\352Ai\n\033alloydb.googleapis.com/"
-          + "User\022Gprojects/{project}/locations/{loca"
-          + "tion}/clusters/{cluster}/users/{user}R\001\001"
-          + "*^\n\014InstanceView\022\035\n\031INSTANCE_VIEW_UNSPEC"
-          + "IFIED\020\000\022\027\n\023INSTANCE_VIEW_BASIC\020\001\022\026\n\022INST"
-          + "ANCE_VIEW_FULL\020\002*g\n\013ClusterView\022\034\n\030CLUST"
-          + "ER_VIEW_UNSPECIFIED\020\000\022\026\n\022CLUSTER_VIEW_BA"
-          + "SIC\020\001\022\"\n\036CLUSTER_VIEW_CONTINUOUS_BACKUP\020"
-          + "\002*j\n\017DatabaseVersion\022 \n\034DATABASE_VERSION"
-          + "_UNSPECIFIED\020\000\022\023\n\013POSTGRES_13\020\001\032\002\010\001\022\017\n\013P"
-          + "OSTGRES_14\020\002\022\017\n\013POSTGRES_15\020\003B\313\003\n com.go"
-          + "ogle.cloud.alloydb.v1alphaB\016ResourcesPro"
-          + "toP\001Z:cloud.google.com/go/alloydb/apiv1a"
-          + "lpha/alloydbpb;alloydbpb\252\002\034Google.Cloud."
-          + "AlloyDb.V1Alpha\312\002\034Google\\Cloud\\AlloyDb\\V"
-          + "1alpha\352\002\037Google::Cloud::AlloyDB::V1alpha"
-          + "\352A\246\001\n(cloudkms.googleapis.com/CryptoKeyV"
-          + "ersion\022zprojects/{project}/locations/{lo"
-          + "cation}/keyRings/{key_ring}/cryptoKeys/{"
-          + "crypto_key}/cryptoKeyVersions/{crypto_ke"
-          + "y_version}\352AN\n\036compute.googleapis.com/Ne"
-          + "twork\022,projects/{project}/global/network"
-          + "s/{network}b\006proto3"
+          + "lag.StringRestrictionsH\000\022g\n\024integer_rest"
+          + "rictions\030\010 \001(\0132G.google.cloud.alloydb.v1"
+          + "alpha.SupportedDatabaseFlag.IntegerRestr"
+          + "ictionsH\000\022\014\n\004name\030\001 \001(\t\022\021\n\tflag_name\030\002 \001"
+          + "(\t\022Q\n\nvalue_type\030\003 \001(\0162=.google.cloud.al"
+          + "loydb.v1alpha.SupportedDatabaseFlag.Valu"
+          + "eType\022\037\n\027accepts_multiple_values\030\004 \001(\010\022L"
+          + "\n\025supported_db_versions\030\005 \003(\0162-.google.c"
+          + "loud.alloydb.v1alpha.DatabaseVersion\022\033\n\023"
+          + "requires_db_restart\030\006 \001(\010\032,\n\022StringRestr"
+          + "ictions\022\026\n\016allowed_values\030\001 \003(\t\032u\n\023Integ"
+          + "erRestrictions\022.\n\tmin_value\030\001 \001(\0132\033.goog"
+          + "le.protobuf.Int64Value\022.\n\tmax_value\030\002 \001("
+          + "\0132\033.google.protobuf.Int64Value\"U\n\tValueT"
+          + "ype\022\032\n\026VALUE_TYPE_UNSPECIFIED\020\000\022\n\n\006STRIN"
+          + "G\020\001\022\013\n\007INTEGER\020\002\022\t\n\005FLOAT\020\003\022\010\n\004NONE\020\004:g\352"
+          + "Ad\n,alloydb.googleapis.com/SupportedData"
+          + "baseFlag\0224projects/{project}/locations/{"
+          + "location}/flags/{flag}B\016\n\014restrictions\"\327"
+          + "\002\n\004User\022\022\n\004name\030\001 \001(\tB\004\342A\001\003\022\026\n\010password\030"
+          + "\002 \001(\tB\004\342A\001\004\022\034\n\016database_roles\030\004 \003(\tB\004\342A\001"
+          + "\001\022D\n\tuser_type\030\005 \001(\0162+.google.cloud.allo"
+          + "ydb.v1alpha.User.UserTypeB\004\342A\001\001\"Q\n\010UserT"
+          + "ype\022\031\n\025USER_TYPE_UNSPECIFIED\020\000\022\024\n\020ALLOYD"
+          + "B_BUILT_IN\020\001\022\024\n\020ALLOYDB_IAM_USER\020\002:l\352Ai\n"
+          + "\033alloydb.googleapis.com/User\022Gprojects/{"
+          + "project}/locations/{location}/clusters/{"
+          + "cluster}/users/{user}R\001\001\"\337\001\n\010Database\022\022\n"
+          + "\004name\030\001 \001(\tB\004\342A\001\010\022\025\n\007charset\030\002 \001(\tB\004\342A\001\001"
+          + "\022\027\n\tcollation\030\003 \001(\tB\004\342A\001\001:\216\001\352A\212\001\n\037alloyd"
+          + "b.googleapis.com/Database\022Oprojects/{pro"
+          + "ject}/locations/{location}/clusters/{clu"
+          + "ster}/databases/{database}*\tdatabases2\010d"
+          + "atabaseR\001\001*^\n\014InstanceView\022\035\n\031INSTANCE_V"
+          + "IEW_UNSPECIFIED\020\000\022\027\n\023INSTANCE_VIEW_BASIC"
+          + "\020\001\022\026\n\022INSTANCE_VIEW_FULL\020\002*g\n\013ClusterVie"
+          + "w\022\034\n\030CLUSTER_VIEW_UNSPECIFIED\020\000\022\026\n\022CLUST"
+          + "ER_VIEW_BASIC\020\001\022\"\n\036CLUSTER_VIEW_CONTINUO"
+          + "US_BACKUP\020\002*j\n\017DatabaseVersion\022 \n\034DATABA"
+          + "SE_VERSION_UNSPECIFIED\020\000\022\023\n\013POSTGRES_13\020"
+          + "\001\032\002\010\001\022\017\n\013POSTGRES_14\020\002\022\017\n\013POSTGRES_15\020\003B"
+          + "\313\003\n com.google.cloud.alloydb.v1alphaB\016Re"
+          + "sourcesProtoP\001Z:cloud.google.com/go/allo"
+          + "ydb/apiv1alpha/alloydbpb;alloydbpb\252\002\034Goo"
+          + "gle.Cloud.AlloyDb.V1Alpha\312\002\034Google\\Cloud"
+          + "\\AlloyDb\\V1alpha\352\002\037Google::Cloud::AlloyD"
+          + "B::V1alpha\352A\246\001\n(cloudkms.googleapis.com/"
+          + "CryptoKeyVersion\022zprojects/{project}/loc"
+          + "ations/{location}/keyRings/{key_ring}/cr"
+          + "yptoKeys/{crypto_key}/cryptoKeyVersions/"
+          + "{crypto_key_version}\352AN\n\036compute.googlea"
+          + "pis.com/Network\022,projects/{project}/glob"
+          + "al/networks/{network}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
-              com.google.api.FieldBehaviorProto.getDescriptor(),
-              com.google.api.ResourceProto.getDescriptor(),
               com.google.protobuf.DurationProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
               com.google.protobuf.WrappersProto.getDescriptor(),
               com.google.type.DayOfWeekProto.getDescriptor(),
               com.google.type.TimeOfDayProto.getDescriptor(),
+              com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.api.FieldInfoProto.getDescriptor(),
+              com.google.api.ResourceProto.getDescriptor(),
             });
     internal_static_google_cloud_alloydb_v1alpha_UserPassword_descriptor =
         getDescriptor().getMessageTypes().get(0);
@@ -658,7 +716,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ContinuousBackupInfo",
               "SecondaryConfig",
               "PrimaryConfig",
+              "SatisfiesPzi",
               "SatisfiesPzs",
+              "PscConfig",
               "Source",
             });
     internal_static_google_cloud_alloydb_v1alpha_Cluster_NetworkConfig_descriptor =
@@ -685,8 +745,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "SecondaryClusterNames",
             });
-    internal_static_google_cloud_alloydb_v1alpha_Cluster_LabelsEntry_descriptor =
+    internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor =
         internal_static_google_cloud_alloydb_v1alpha_Cluster_descriptor.getNestedTypes().get(3);
+    internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Cluster_PscConfig_descriptor,
+            new java.lang.String[] {
+              "PscEnabled",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_Cluster_LabelsEntry_descriptor =
+        internal_static_google_cloud_alloydb_v1alpha_Cluster_descriptor.getNestedTypes().get(4);
     internal_static_google_cloud_alloydb_v1alpha_Cluster_LabelsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_Cluster_LabelsEntry_descriptor,
@@ -694,7 +762,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Key", "Value",
             });
     internal_static_google_cloud_alloydb_v1alpha_Cluster_AnnotationsEntry_descriptor =
-        internal_static_google_cloud_alloydb_v1alpha_Cluster_descriptor.getNestedTypes().get(4);
+        internal_static_google_cloud_alloydb_v1alpha_Cluster_descriptor.getNestedTypes().get(5);
     internal_static_google_cloud_alloydb_v1alpha_Cluster_AnnotationsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_Cluster_AnnotationsEntry_descriptor,
@@ -730,7 +798,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Annotations",
               "UpdatePolicy",
               "ClientConnectionConfig",
+              "SatisfiesPzi",
               "SatisfiesPzs",
+              "PscInstanceConfig",
+              "NetworkConfig",
             });
     internal_static_google_cloud_alloydb_v1alpha_Instance_MachineConfig_descriptor =
         internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(0);
@@ -786,8 +857,47 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "RequireConnectors", "SslConfig",
             });
-    internal_static_google_cloud_alloydb_v1alpha_Instance_LabelsEntry_descriptor =
+    internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor =
         internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(6);
+    internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Instance_PscInterfaceConfig_descriptor,
+            new java.lang.String[] {
+              "ConsumerEndpointIps", "NetworkAttachment",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor =
+        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(7);
+    internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Instance_PscInstanceConfig_descriptor,
+            new java.lang.String[] {
+              "ServiceAttachmentLink",
+              "AllowedConsumerProjects",
+              "AllowedConsumerNetworks",
+              "PscInterfaceConfigs",
+              "OutgoingServiceAttachmentLinks",
+              "PscEnabled",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor =
+        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(8);
+    internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor,
+            new java.lang.String[] {
+              "AuthorizedExternalNetworks", "EnablePublicIp",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor =
+        internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_descriptor
+            .getNestedTypes()
+            .get(0);
+    internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Instance_InstanceNetworkConfig_AuthorizedNetwork_descriptor,
+            new java.lang.String[] {
+              "CidrRange",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_Instance_LabelsEntry_descriptor =
+        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(9);
     internal_static_google_cloud_alloydb_v1alpha_Instance_LabelsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_Instance_LabelsEntry_descriptor,
@@ -795,7 +905,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Key", "Value",
             });
     internal_static_google_cloud_alloydb_v1alpha_Instance_DatabaseFlagsEntry_descriptor =
-        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(7);
+        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(10);
     internal_static_google_cloud_alloydb_v1alpha_Instance_DatabaseFlagsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_Instance_DatabaseFlagsEntry_descriptor,
@@ -803,7 +913,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Key", "Value",
             });
     internal_static_google_cloud_alloydb_v1alpha_Instance_AnnotationsEntry_descriptor =
-        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(8);
+        internal_static_google_cloud_alloydb_v1alpha_Instance_descriptor.getNestedTypes().get(11);
     internal_static_google_cloud_alloydb_v1alpha_Instance_AnnotationsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_Instance_AnnotationsEntry_descriptor,
@@ -816,7 +926,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_alloydb_v1alpha_ConnectionInfo_descriptor,
             new java.lang.String[] {
-              "Name", "IpAddress", "PemCertificateChain", "InstanceUid",
+              "Name", "IpAddress", "PublicIpAddress", "PemCertificateChain", "InstanceUid",
             });
     internal_static_google_cloud_alloydb_v1alpha_Backup_descriptor =
         getDescriptor().getMessageTypes().get(13);
@@ -844,6 +954,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "SizeBytes",
               "ExpiryTime",
               "ExpiryQuantity",
+              "SatisfiesPzi",
               "SatisfiesPzs",
               "DatabaseVersion",
             });
@@ -915,21 +1026,31 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "Password", "DatabaseRoles", "UserType",
             });
+    internal_static_google_cloud_alloydb_v1alpha_Database_descriptor =
+        getDescriptor().getMessageTypes().get(16);
+    internal_static_google_cloud_alloydb_v1alpha_Database_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_Database_descriptor,
+            new java.lang.String[] {
+              "Name", "Charset", "Collation",
+            });
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.FieldInfoProto.fieldInfo);
     registry.add(com.google.api.ResourceProto.resource);
     registry.add(com.google.api.ResourceProto.resourceDefinition);
     registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
     com.google.protobuf.WrappersProto.getDescriptor();
     com.google.type.DayOfWeekProto.getDescriptor();
     com.google.type.TimeOfDayProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.FieldInfoProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ServiceProto.java b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ServiceProto.java
index 3dad463d7709..35141dc88488 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ServiceProto.java
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/java/com/google/cloud/alloydb/v1alpha/ServiceProto.java
@@ -199,6 +199,14 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_alloydb_v1alpha_DeleteUserRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_alloydb_v1alpha_DeleteUserRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -374,221 +382,232 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\342A\001\001\022\027\n\007pem_csr\030\003 \001(\tB\006\030\001\342A\001\001\0226\n\rcert_du"
           + "ration\030\004 \001(\0132\031.google.protobuf.DurationB"
           + "\004\342A\001\001\022\030\n\npublic_key\030\005 \001(\tB\004\342A\001\001\022#\n\025use_m"
-          + "etadata_exchange\030\006 \001(\010B\004\342A\001\001\"~\n!Generate"
-          + "ClientCertificateResponse\022\035\n\017pem_certifi"
-          + "cate\030\001 \001(\tB\004\342A\001\003\022#\n\025pem_certificate_chai"
-          + "n\030\002 \003(\tB\004\342A\001\003\022\025\n\007ca_cert\030\003 \001(\tB\004\342A\001\001\"n\n\030"
-          + "GetConnectionInfoRequest\0228\n\006parent\030\001 \001(\t"
-          + "B(\342A\001\002\372A!\n\037alloydb.googleapis.com/Instan"
-          + "ce\022\030\n\nrequest_id\030\002 \001(\tB\004\342A\001\001\"\210\003\n\021Operati"
-          + "onMetadata\022k\n\037batch_create_instances_met"
-          + "adata\030\010 \001(\0132:.google.cloud.alloydb.v1alp"
-          + "ha.BatchCreateInstancesMetadataB\004\342A\001\003H\000\022"
-          + "5\n\013create_time\030\001 \001(\0132\032.google.protobuf.T"
-          + "imestampB\004\342A\001\003\0222\n\010end_time\030\002 \001(\0132\032.googl"
-          + "e.protobuf.TimestampB\004\342A\001\003\022\024\n\006target\030\003 \001"
-          + "(\tB\004\342A\001\003\022\022\n\004verb\030\004 \001(\tB\004\342A\001\003\022\034\n\016status_m"
-          + "essage\030\005 \001(\tB\004\342A\001\003\022$\n\026requested_cancella"
-          + "tion\030\006 \001(\010B\004\342A\001\003\022\031\n\013api_version\030\007 \001(\tB\004\342"
-          + "A\001\003B\022\n\020request_specific\"\251\001\n\020ListUsersReq"
-          + "uest\0224\n\006parent\030\001 \001(\tB$\342A\001\002\372A\035\022\033alloydb.g"
-          + "oogleapis.com/User\022\027\n\tpage_size\030\002 \001(\005B\004\342"
-          + "A\001\001\022\030\n\npage_token\030\003 \001(\tB\004\342A\001\001\022\024\n\006filter\030"
-          + "\004 \001(\tB\004\342A\001\001\022\026\n\010order_by\030\005 \001(\tB\004\342A\001\001\"t\n\021L"
-          + "istUsersResponse\0221\n\005users\030\001 \003(\0132\".google"
-          + ".cloud.alloydb.v1alpha.User\022\027\n\017next_page"
-          + "_token\030\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t\"D\n\016Get"
-          + "UserRequest\0222\n\004name\030\001 \001(\tB$\342A\001\002\372A\035\n\033allo"
-          + "ydb.googleapis.com/User\"\317\001\n\021CreateUserRe"
-          + "quest\0224\n\006parent\030\001 \001(\tB$\342A\001\002\372A\035\022\033alloydb."
-          + "googleapis.com/User\022\025\n\007user_id\030\002 \001(\tB\004\342A"
-          + "\001\002\0226\n\004user\030\003 \001(\0132\".google.cloud.alloydb."
-          + "v1alpha.UserB\004\342A\001\002\022\030\n\nrequest_id\030\004 \001(\tB\004"
-          + "\342A\001\001\022\033\n\rvalidate_only\030\005 \001(\010B\004\342A\001\001\"\326\001\n\021Up"
-          + "dateUserRequest\0225\n\013update_mask\030\001 \001(\0132\032.g"
-          + "oogle.protobuf.FieldMaskB\004\342A\001\001\0226\n\004user\030\002"
-          + " \001(\0132\".google.cloud.alloydb.v1alpha.User"
-          + "B\004\342A\001\002\022\030\n\nrequest_id\030\003 \001(\tB\004\342A\001\001\022\033\n\rvali"
-          + "date_only\030\004 \001(\010B\004\342A\001\001\022\033\n\rallow_missing\030\005"
-          + " \001(\010B\004\342A\001\001\"~\n\021DeleteUserRequest\0222\n\004name\030"
-          + "\001 \001(\tB$\342A\001\002\372A\035\n\033alloydb.googleapis.com/U"
-          + "ser\022\030\n\nrequest_id\030\002 \001(\tB\004\342A\001\001\022\033\n\rvalidat"
-          + "e_only\030\003 \001(\010B\004\342A\001\0012\3614\n\014AlloyDBAdmin\022\271\001\n\014"
-          + "ListClusters\0221.google.cloud.alloydb.v1al"
-          + "pha.ListClustersRequest\0322.google.cloud.a"
-          + "lloydb.v1alpha.ListClustersResponse\"B\332A\006"
-          + "parent\202\323\344\223\0023\0221/v1alpha/{parent=projects/"
-          + "*/locations/*}/clusters\022\246\001\n\nGetCluster\022/"
-          + ".google.cloud.alloydb.v1alpha.GetCluster"
-          + "Request\032%.google.cloud.alloydb.v1alpha.C"
-          + "luster\"@\332A\004name\202\323\344\223\0023\0221/v1alpha/{name=pr"
-          + "ojects/*/locations/*/clusters/*}\022\341\001\n\rCre"
-          + "ateCluster\0222.google.cloud.alloydb.v1alph"
-          + "a.CreateClusterRequest\032\035.google.longrunn"
-          + "ing.Operation\"}\312A\034\n\007Cluster\022\021OperationMe"
-          + "tadata\332A\031parent,cluster,cluster_id\202\323\344\223\002<"
-          + "\"1/v1alpha/{parent=projects/*/locations/"
-          + "*}/clusters:\007cluster\022\343\001\n\rUpdateCluster\0222"
-          + ".google.cloud.alloydb.v1alpha.UpdateClus"
+          + "etadata_exchange\030\006 \001(\010B\004\342A\001\001\"\200\001\n!Generat"
+          + "eClientCertificateResponse\022\037\n\017pem_certif"
+          + "icate\030\001 \001(\tB\006\030\001\342A\001\003\022#\n\025pem_certificate_c"
+          + "hain\030\002 \003(\tB\004\342A\001\003\022\025\n\007ca_cert\030\003 \001(\tB\004\342A\001\001\""
+          + "n\n\030GetConnectionInfoRequest\0228\n\006parent\030\001 "
+          + "\001(\tB(\342A\001\002\372A!\n\037alloydb.googleapis.com/Ins"
+          + "tance\022\030\n\nrequest_id\030\002 \001(\tB\004\342A\001\001\"\210\003\n\021Oper"
+          + "ationMetadata\022k\n\037batch_create_instances_"
+          + "metadata\030\010 \001(\0132:.google.cloud.alloydb.v1"
+          + "alpha.BatchCreateInstancesMetadataB\004\342A\001\003"
+          + "H\000\0225\n\013create_time\030\001 \001(\0132\032.google.protobu"
+          + "f.TimestampB\004\342A\001\003\0222\n\010end_time\030\002 \001(\0132\032.go"
+          + "ogle.protobuf.TimestampB\004\342A\001\003\022\024\n\006target\030"
+          + "\003 \001(\tB\004\342A\001\003\022\022\n\004verb\030\004 \001(\tB\004\342A\001\003\022\034\n\016statu"
+          + "s_message\030\005 \001(\tB\004\342A\001\003\022$\n\026requested_cance"
+          + "llation\030\006 \001(\010B\004\342A\001\003\022\031\n\013api_version\030\007 \001(\t"
+          + "B\004\342A\001\003B\022\n\020request_specific\"\251\001\n\020ListUsers"
+          + "Request\0224\n\006parent\030\001 \001(\tB$\342A\001\002\372A\035\022\033alloyd"
+          + "b.googleapis.com/User\022\027\n\tpage_size\030\002 \001(\005"
+          + "B\004\342A\001\001\022\030\n\npage_token\030\003 \001(\tB\004\342A\001\001\022\024\n\006filt"
+          + "er\030\004 \001(\tB\004\342A\001\001\022\026\n\010order_by\030\005 \001(\tB\004\342A\001\001\"t"
+          + "\n\021ListUsersResponse\0221\n\005users\030\001 \003(\0132\".goo"
+          + "gle.cloud.alloydb.v1alpha.User\022\027\n\017next_p"
+          + "age_token\030\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t\"D\n\016"
+          + "GetUserRequest\0222\n\004name\030\001 \001(\tB$\342A\001\002\372A\035\n\033a"
+          + "lloydb.googleapis.com/User\"\317\001\n\021CreateUse"
+          + "rRequest\0224\n\006parent\030\001 \001(\tB$\342A\001\002\372A\035\022\033alloy"
+          + "db.googleapis.com/User\022\025\n\007user_id\030\002 \001(\tB"
+          + "\004\342A\001\002\0226\n\004user\030\003 \001(\0132\".google.cloud.alloy"
+          + "db.v1alpha.UserB\004\342A\001\002\022\030\n\nrequest_id\030\004 \001("
+          + "\tB\004\342A\001\001\022\033\n\rvalidate_only\030\005 \001(\010B\004\342A\001\001\"\326\001\n"
+          + "\021UpdateUserRequest\0225\n\013update_mask\030\001 \001(\0132"
+          + "\032.google.protobuf.FieldMaskB\004\342A\001\001\0226\n\004use"
+          + "r\030\002 \001(\0132\".google.cloud.alloydb.v1alpha.U"
+          + "serB\004\342A\001\002\022\030\n\nrequest_id\030\003 \001(\tB\004\342A\001\001\022\033\n\rv"
+          + "alidate_only\030\004 \001(\010B\004\342A\001\001\022\033\n\rallow_missin"
+          + "g\030\005 \001(\010B\004\342A\001\001\"~\n\021DeleteUserRequest\0222\n\004na"
+          + "me\030\001 \001(\tB$\342A\001\002\372A\035\n\033alloydb.googleapis.co"
+          + "m/User\022\030\n\nrequest_id\030\002 \001(\tB\004\342A\001\001\022\033\n\rvali"
+          + "date_only\030\003 \001(\010B\004\342A\001\001\"\231\001\n\024ListDatabasesR"
+          + "equest\0228\n\006parent\030\001 \001(\tB(\342A\001\002\372A!\022\037alloydb"
+          + ".googleapis.com/Database\022\027\n\tpage_size\030\002 "
+          + "\001(\005B\004\342A\001\001\022\030\n\npage_token\030\003 \001(\tB\004\342A\001\001\022\024\n\006f"
+          + "ilter\030\004 \001(\tB\004\342A\001\001\"k\n\025ListDatabasesRespon"
+          + "se\0229\n\tdatabases\030\001 \003(\0132&.google.cloud.all"
+          + "oydb.v1alpha.Database\022\027\n\017next_page_token"
+          + "\030\002 \001(\t2\2746\n\014AlloyDBAdmin\022\271\001\n\014ListClusters"
+          + "\0221.google.cloud.alloydb.v1alpha.ListClus"
+          + "tersRequest\0322.google.cloud.alloydb.v1alp"
+          + "ha.ListClustersResponse\"B\332A\006parent\202\323\344\223\0023"
+          + "\0221/v1alpha/{parent=projects/*/locations/"
+          + "*}/clusters\022\246\001\n\nGetCluster\022/.google.clou"
+          + "d.alloydb.v1alpha.GetClusterRequest\032%.go"
+          + "ogle.cloud.alloydb.v1alpha.Cluster\"@\332A\004n"
+          + "ame\202\323\344\223\0023\0221/v1alpha/{name=projects/*/loc"
+          + "ations/*/clusters/*}\022\341\001\n\rCreateCluster\0222"
+          + ".google.cloud.alloydb.v1alpha.CreateClus"
           + "terRequest\032\035.google.longrunning.Operatio"
-          + "n\"\177\312A\034\n\007Cluster\022\021OperationMetadata\332A\023clu"
-          + "ster,update_mask\202\323\344\223\002D29/v1alpha/{cluste"
-          + "r.name=projects/*/locations/*/clusters/*"
-          + "}:\007cluster\022\321\001\n\rDeleteCluster\0222.google.cl"
-          + "oud.alloydb.v1alpha.DeleteClusterRequest"
-          + "\032\035.google.longrunning.Operation\"m\312A*\n\025go"
-          + "ogle.protobuf.Empty\022\021OperationMetadata\332A"
-          + "\004name\202\323\344\223\0023*1/v1alpha/{name=projects/*/l"
-          + "ocations/*/clusters/*}\022\320\001\n\016PromoteCluste"
-          + "r\0223.google.cloud.alloydb.v1alpha.Promote"
-          + "ClusterRequest\032\035.google.longrunning.Oper"
-          + "ation\"j\312A\034\n\007Cluster\022\021OperationMetadata\332A"
-          + "\004name\202\323\344\223\002>\"9/v1alpha/{name=projects/*/l"
-          + "ocations/*/clusters/*}:promote:\001*\022\311\001\n\016Re"
-          + "storeCluster\0223.google.cloud.alloydb.v1al"
-          + "pha.RestoreClusterRequest\032\035.google.longr"
-          + "unning.Operation\"c\312A\034\n\007Cluster\022\021Operatio"
-          + "nMetadata\202\323\344\223\002>\"9/v1alpha/{parent=projec"
-          + "ts/*/locations/*}/clusters:restore:\001*\022\204\002"
-          + "\n\026CreateSecondaryCluster\022;.google.cloud."
-          + "alloydb.v1alpha.CreateSecondaryClusterRe"
-          + "quest\032\035.google.longrunning.Operation\"\215\001\312"
-          + "A\034\n\007Cluster\022\021OperationMetadata\332A\031parent,"
-          + "cluster,cluster_id\202\323\344\223\002L\"A/v1alpha/{pare"
-          + "nt=projects/*/locations/*}/clusters:crea"
-          + "tesecondary:\007cluster\022\310\001\n\rListInstances\0222"
+          + "n\"}\312A\034\n\007Cluster\022\021OperationMetadata\332A\031par"
+          + "ent,cluster,cluster_id\202\323\344\223\002<\"1/v1alpha/{"
+          + "parent=projects/*/locations/*}/clusters:"
+          + "\007cluster\022\343\001\n\rUpdateCluster\0222.google.clou"
+          + "d.alloydb.v1alpha.UpdateClusterRequest\032\035"
+          + ".google.longrunning.Operation\"\177\312A\034\n\007Clus"
+          + "ter\022\021OperationMetadata\332A\023cluster,update_"
+          + "mask\202\323\344\223\002D29/v1alpha/{cluster.name=proje"
+          + "cts/*/locations/*/clusters/*}:\007cluster\022\321"
+          + "\001\n\rDeleteCluster\0222.google.cloud.alloydb."
+          + "v1alpha.DeleteClusterRequest\032\035.google.lo"
+          + "ngrunning.Operation\"m\312A*\n\025google.protobu"
+          + "f.Empty\022\021OperationMetadata\332A\004name\202\323\344\223\0023*"
+          + "1/v1alpha/{name=projects/*/locations/*/c"
+          + "lusters/*}\022\320\001\n\016PromoteCluster\0223.google.c"
+          + "loud.alloydb.v1alpha.PromoteClusterReque"
+          + "st\032\035.google.longrunning.Operation\"j\312A\034\n\007"
+          + "Cluster\022\021OperationMetadata\332A\004name\202\323\344\223\002>\""
+          + "9/v1alpha/{name=projects/*/locations/*/c"
+          + "lusters/*}:promote:\001*\022\311\001\n\016RestoreCluster"
+          + "\0223.google.cloud.alloydb.v1alpha.RestoreC"
+          + "lusterRequest\032\035.google.longrunning.Opera"
+          + "tion\"c\312A\034\n\007Cluster\022\021OperationMetadata\202\323\344"
+          + "\223\002>\"9/v1alpha/{parent=projects/*/locatio"
+          + "ns/*}/clusters:restore:\001*\022\204\002\n\026CreateSeco"
+          + "ndaryCluster\022;.google.cloud.alloydb.v1al"
+          + "pha.CreateSecondaryClusterRequest\032\035.goog"
+          + "le.longrunning.Operation\"\215\001\312A\034\n\007Cluster\022"
+          + "\021OperationMetadata\332A\031parent,cluster,clus"
+          + "ter_id\202\323\344\223\002L\"A/v1alpha/{parent=projects/"
+          + "*/locations/*}/clusters:createsecondary:"
+          + "\007cluster\022\310\001\n\rListInstances\0222.google.clou"
+          + "d.alloydb.v1alpha.ListInstancesRequest\0323"
           + ".google.cloud.alloydb.v1alpha.ListInstan"
-          + "cesRequest\0323.google.cloud.alloydb.v1alph"
-          + "a.ListInstancesResponse\"N\332A\006parent\202\323\344\223\002?"
-          + "\022=/v1alpha/{parent=projects/*/locations/"
-          + "*/clusters/*}/instances\022\265\001\n\013GetInstance\022"
-          + "0.google.cloud.alloydb.v1alpha.GetInstan"
-          + "ceRequest\032&.google.cloud.alloydb.v1alpha"
-          + ".Instance\"L\332A\004name\202\323\344\223\002?\022=/v1alpha/{name"
-          + "=projects/*/locations/*/clusters/*/insta"
-          + "nces/*}\022\364\001\n\016CreateInstance\0223.google.clou"
-          + "d.alloydb.v1alpha.CreateInstanceRequest\032"
-          + "\035.google.longrunning.Operation\"\215\001\312A\035\n\010In"
-          + "stance\022\021OperationMetadata\332A\033parent,insta"
-          + "nce,instance_id\202\323\344\223\002I\"=/v1alpha/{parent="
-          + "projects/*/locations/*/clusters/*}/insta"
-          + "nces:\010instance\022\226\002\n\027CreateSecondaryInstan"
-          + "ce\022<.google.cloud.alloydb.v1alpha.Create"
-          + "SecondaryInstanceRequest\032\035.google.longru"
-          + "nning.Operation\"\235\001\312A\035\n\010Instance\022\021Operati"
-          + "onMetadata\332A\033parent,instance,instance_id"
-          + "\202\323\344\223\002Y\"M/v1alpha/{parent=projects/*/loca"
-          + "tions/*/clusters/*}/instances:createseco"
-          + "ndary:\010instance\022\202\002\n\024BatchCreateInstances"
-          + "\0229.google.cloud.alloydb.v1alpha.BatchCre"
-          + "ateInstancesRequest\032\035.google.longrunning"
-          + ".Operation\"\217\001\312A1\n\034BatchCreateInstancesRe"
-          + "sponse\022\021OperationMetadata\202\323\344\223\002U\"I/v1alph"
-          + "a/{parent=projects/*/locations/*/cluster"
-          + "s/*}/instances:batchCreate:\010requests\022\366\001\n"
-          + "\016UpdateInstance\0223.google.cloud.alloydb.v"
-          + "1alpha.UpdateInstanceRequest\032\035.google.lo"
-          + "ngrunning.Operation\"\217\001\312A\035\n\010Instance\022\021Ope"
-          + "rationMetadata\332A\024instance,update_mask\202\323\344"
-          + "\223\002R2F/v1alpha/{instance.name=projects/*/"
-          + "locations/*/clusters/*/instances/*}:\010ins"
-          + "tance\022\337\001\n\016DeleteInstance\0223.google.cloud."
-          + "alloydb.v1alpha.DeleteInstanceRequest\032\035."
-          + "google.longrunning.Operation\"y\312A*\n\025googl"
-          + "e.protobuf.Empty\022\021OperationMetadata\332A\004na"
-          + "me\202\323\344\223\002?*=/v1alpha/{name=projects/*/loca"
-          + "tions/*/clusters/*/instances/*}\022\342\001\n\020Fail"
-          + "overInstance\0225.google.cloud.alloydb.v1al"
-          + "pha.FailoverInstanceRequest\032\035.google.lon"
-          + "grunning.Operation\"x\312A\035\n\010Instance\022\021Opera"
-          + "tionMetadata\332A\004name\202\323\344\223\002K\"F/v1alpha/{nam"
-          + "e=projects/*/locations/*/clusters/*/inst"
-          + "ances/*}:failover:\001*\022\347\001\n\013InjectFault\0220.g"
-          + "oogle.cloud.alloydb.v1alpha.InjectFaultR"
-          + "equest\032\035.google.longrunning.Operation\"\206\001"
-          + "\312A\035\n\010Instance\022\021OperationMetadata\332A\017fault"
-          + "_type,name\202\323\344\223\002N\"I/v1alpha/{name=project"
-          + "s/*/locations/*/clusters/*/instances/*}:"
-          + "injectFault:\001*\022\337\001\n\017RestartInstance\0224.goo"
-          + "gle.cloud.alloydb.v1alpha.RestartInstanc"
-          + "eRequest\032\035.google.longrunning.Operation\""
-          + "w\312A\035\n\010Instance\022\021OperationMetadata\332A\004name"
-          + "\202\323\344\223\002J\"E/v1alpha/{name=projects/*/locati"
-          + "ons/*/clusters/*/instances/*}:restart:\001*"
-          + "\022\265\001\n\013ListBackups\0220.google.cloud.alloydb."
-          + "v1alpha.ListBackupsRequest\0321.google.clou"
-          + "d.alloydb.v1alpha.ListBackupsResponse\"A\332"
-          + "A\006parent\202\323\344\223\0022\0220/v1alpha/{parent=project"
-          + "s/*/locations/*}/backups\022\242\001\n\tGetBackup\022."
-          + ".google.cloud.alloydb.v1alpha.GetBackupR"
-          + "equest\032$.google.cloud.alloydb.v1alpha.Ba"
-          + "ckup\"?\332A\004name\202\323\344\223\0022\0220/v1alpha/{name=proj"
-          + "ects/*/locations/*/backups/*}\022\332\001\n\014Create"
-          + "Backup\0221.google.cloud.alloydb.v1alpha.Cr"
-          + "eateBackupRequest\032\035.google.longrunning.O"
-          + "peration\"x\312A\033\n\006Backup\022\021OperationMetadata"
-          + "\332A\027parent,backup,backup_id\202\323\344\223\002:\"0/v1alp"
-          + "ha/{parent=projects/*/locations/*}/backu"
-          + "ps:\006backup\022\334\001\n\014UpdateBackup\0221.google.clo"
-          + "ud.alloydb.v1alpha.UpdateBackupRequest\032\035"
-          + ".google.longrunning.Operation\"z\312A\033\n\006Back"
-          + "up\022\021OperationMetadata\332A\022backup,update_ma"
-          + "sk\202\323\344\223\002A27/v1alpha/{backup.name=projects"
-          + "/*/locations/*/backups/*}:\006backup\022\316\001\n\014De"
-          + "leteBackup\0221.google.cloud.alloydb.v1alph"
-          + "a.DeleteBackupRequest\032\035.google.longrunni"
-          + "ng.Operation\"l\312A*\n\025google.protobuf.Empty"
-          + "\022\021OperationMetadata\332A\004name\202\323\344\223\0022*0/v1alp"
-          + "ha/{name=projects/*/locations/*/backups/"
-          + "*}\022\361\001\n\032ListSupportedDatabaseFlags\022?.goog"
-          + "le.cloud.alloydb.v1alpha.ListSupportedDa"
-          + "tabaseFlagsRequest\032@.google.cloud.alloyd"
-          + "b.v1alpha.ListSupportedDatabaseFlagsResp"
-          + "onse\"P\332A\006parent\202\323\344\223\002A\022?/v1alpha/{parent="
-          + "projects/*/locations/*}/supportedDatabas"
-          + "eFlags\022\377\001\n\031GenerateClientCertificate\022>.g"
-          + "oogle.cloud.alloydb.v1alpha.GenerateClie"
-          + "ntCertificateRequest\032?.google.cloud.allo"
-          + "ydb.v1alpha.GenerateClientCertificateRes"
-          + "ponse\"a\332A\006parent\202\323\344\223\002R\"M/v1alpha/{parent"
-          + "=projects/*/locations/*/clusters/*}:gene"
-          + "rateClientCertificate:\001*\022\332\001\n\021GetConnecti"
-          + "onInfo\0226.google.cloud.alloydb.v1alpha.Ge"
-          + "tConnectionInfoRequest\032,.google.cloud.al"
-          + "loydb.v1alpha.ConnectionInfo\"_\332A\006parent\202"
-          + "\323\344\223\002P\022N/v1alpha/{parent=projects/*/locat"
-          + "ions/*/clusters/*/instances/*}/connectio"
-          + "nInfo\022\270\001\n\tListUsers\022..google.cloud.alloy"
-          + "db.v1alpha.ListUsersRequest\032/.google.clo"
-          + "ud.alloydb.v1alpha.ListUsersResponse\"J\332A"
-          + "\006parent\202\323\344\223\002;\0229/v1alpha/{parent=projects"
-          + "/*/locations/*/clusters/*}/users\022\245\001\n\007Get"
-          + "User\022,.google.cloud.alloydb.v1alpha.GetU"
-          + "serRequest\032\".google.cloud.alloydb.v1alph"
-          + "a.User\"H\332A\004name\202\323\344\223\002;\0229/v1alpha/{name=pr"
-          + "ojects/*/locations/*/clusters/*/users/*}"
-          + "\022\300\001\n\nCreateUser\022/.google.cloud.alloydb.v"
-          + "1alpha.CreateUserRequest\032\".google.cloud."
-          + "alloydb.v1alpha.User\"]\332A\023parent,user,use"
-          + "r_id\202\323\344\223\002A\"9/v1alpha/{parent=projects/*/"
-          + "locations/*/clusters/*}/users:\004user\022\302\001\n\n"
-          + "UpdateUser\022/.google.cloud.alloydb.v1alph"
-          + "a.UpdateUserRequest\032\".google.cloud.alloy"
-          + "db.v1alpha.User\"_\332A\020user,update_mask\202\323\344\223"
-          + "\002F2>/v1alpha/{user.name=projects/*/locat"
-          + "ions/*/clusters/*/users/*}:\004user\022\237\001\n\nDel"
-          + "eteUser\022/.google.cloud.alloydb.v1alpha.D"
-          + "eleteUserRequest\032\026.google.protobuf.Empty"
-          + "\"H\332A\004name\202\323\344\223\002;*9/v1alpha/{name=projects"
-          + "/*/locations/*/clusters/*/users/*}\032J\312A\026a"
-          + "lloydb.googleapis.com\322A.https://www.goog"
-          + "leapis.com/auth/cloud-platformB\316\001\n com.g"
-          + "oogle.cloud.alloydb.v1alphaB\014ServiceProt"
-          + "oP\001Z:cloud.google.com/go/alloydb/apiv1al"
-          + "pha/alloydbpb;alloydbpb\252\002\034Google.Cloud.A"
-          + "lloyDb.V1Alpha\312\002\034Google\\Cloud\\AlloyDb\\V1"
-          + "alpha\352\002\037Google::Cloud::AlloyDB::V1alphab"
-          + "\006proto3"
+          + "cesResponse\"N\332A\006parent\202\323\344\223\002?\022=/v1alpha/{"
+          + "parent=projects/*/locations/*/clusters/*"
+          + "}/instances\022\265\001\n\013GetInstance\0220.google.clo"
+          + "ud.alloydb.v1alpha.GetInstanceRequest\032&."
+          + "google.cloud.alloydb.v1alpha.Instance\"L\332"
+          + "A\004name\202\323\344\223\002?\022=/v1alpha/{name=projects/*/"
+          + "locations/*/clusters/*/instances/*}\022\364\001\n\016"
+          + "CreateInstance\0223.google.cloud.alloydb.v1"
+          + "alpha.CreateInstanceRequest\032\035.google.lon"
+          + "grunning.Operation\"\215\001\312A\035\n\010Instance\022\021Oper"
+          + "ationMetadata\332A\033parent,instance,instance"
+          + "_id\202\323\344\223\002I\"=/v1alpha/{parent=projects/*/l"
+          + "ocations/*/clusters/*}/instances:\010instan"
+          + "ce\022\226\002\n\027CreateSecondaryInstance\022<.google."
+          + "cloud.alloydb.v1alpha.CreateSecondaryIns"
+          + "tanceRequest\032\035.google.longrunning.Operat"
+          + "ion\"\235\001\312A\035\n\010Instance\022\021OperationMetadata\332A"
+          + "\033parent,instance,instance_id\202\323\344\223\002Y\"M/v1a"
+          + "lpha/{parent=projects/*/locations/*/clus"
+          + "ters/*}/instances:createsecondary:\010insta"
+          + "nce\022\202\002\n\024BatchCreateInstances\0229.google.cl"
+          + "oud.alloydb.v1alpha.BatchCreateInstances"
+          + "Request\032\035.google.longrunning.Operation\"\217"
+          + "\001\312A1\n\034BatchCreateInstancesResponse\022\021Oper"
+          + "ationMetadata\202\323\344\223\002U\"I/v1alpha/{parent=pr"
+          + "ojects/*/locations/*/clusters/*}/instanc"
+          + "es:batchCreate:\010requests\022\366\001\n\016UpdateInsta"
+          + "nce\0223.google.cloud.alloydb.v1alpha.Updat"
+          + "eInstanceRequest\032\035.google.longrunning.Op"
+          + "eration\"\217\001\312A\035\n\010Instance\022\021OperationMetada"
+          + "ta\332A\024instance,update_mask\202\323\344\223\002R2F/v1alph"
+          + "a/{instance.name=projects/*/locations/*/"
+          + "clusters/*/instances/*}:\010instance\022\337\001\n\016De"
+          + "leteInstance\0223.google.cloud.alloydb.v1al"
+          + "pha.DeleteInstanceRequest\032\035.google.longr"
+          + "unning.Operation\"y\312A*\n\025google.protobuf.E"
+          + "mpty\022\021OperationMetadata\332A\004name\202\323\344\223\002?*=/v"
+          + "1alpha/{name=projects/*/locations/*/clus"
+          + "ters/*/instances/*}\022\342\001\n\020FailoverInstance"
+          + "\0225.google.cloud.alloydb.v1alpha.Failover"
+          + "InstanceRequest\032\035.google.longrunning.Ope"
+          + "ration\"x\312A\035\n\010Instance\022\021OperationMetadata"
+          + "\332A\004name\202\323\344\223\002K\"F/v1alpha/{name=projects/*"
+          + "/locations/*/clusters/*/instances/*}:fai"
+          + "lover:\001*\022\347\001\n\013InjectFault\0220.google.cloud."
+          + "alloydb.v1alpha.InjectFaultRequest\032\035.goo"
+          + "gle.longrunning.Operation\"\206\001\312A\035\n\010Instanc"
+          + "e\022\021OperationMetadata\332A\017fault_type,name\202\323"
+          + "\344\223\002N\"I/v1alpha/{name=projects/*/location"
+          + "s/*/clusters/*/instances/*}:injectFault:"
+          + "\001*\022\337\001\n\017RestartInstance\0224.google.cloud.al"
+          + "loydb.v1alpha.RestartInstanceRequest\032\035.g"
+          + "oogle.longrunning.Operation\"w\312A\035\n\010Instan"
+          + "ce\022\021OperationMetadata\332A\004name\202\323\344\223\002J\"E/v1a"
+          + "lpha/{name=projects/*/locations/*/cluste"
+          + "rs/*/instances/*}:restart:\001*\022\265\001\n\013ListBac"
+          + "kups\0220.google.cloud.alloydb.v1alpha.List"
+          + "BackupsRequest\0321.google.cloud.alloydb.v1"
+          + "alpha.ListBackupsResponse\"A\332A\006parent\202\323\344\223"
+          + "\0022\0220/v1alpha/{parent=projects/*/location"
+          + "s/*}/backups\022\242\001\n\tGetBackup\022..google.clou"
+          + "d.alloydb.v1alpha.GetBackupRequest\032$.goo"
+          + "gle.cloud.alloydb.v1alpha.Backup\"?\332A\004nam"
+          + "e\202\323\344\223\0022\0220/v1alpha/{name=projects/*/locat"
+          + "ions/*/backups/*}\022\332\001\n\014CreateBackup\0221.goo"
+          + "gle.cloud.alloydb.v1alpha.CreateBackupRe"
+          + "quest\032\035.google.longrunning.Operation\"x\312A"
+          + "\033\n\006Backup\022\021OperationMetadata\332A\027parent,ba"
+          + "ckup,backup_id\202\323\344\223\002:\"0/v1alpha/{parent=p"
+          + "rojects/*/locations/*}/backups:\006backup\022\334"
+          + "\001\n\014UpdateBackup\0221.google.cloud.alloydb.v"
+          + "1alpha.UpdateBackupRequest\032\035.google.long"
+          + "running.Operation\"z\312A\033\n\006Backup\022\021Operatio"
+          + "nMetadata\332A\022backup,update_mask\202\323\344\223\002A27/v"
+          + "1alpha/{backup.name=projects/*/locations"
+          + "/*/backups/*}:\006backup\022\316\001\n\014DeleteBackup\0221"
+          + ".google.cloud.alloydb.v1alpha.DeleteBack"
+          + "upRequest\032\035.google.longrunning.Operation"
+          + "\"l\312A*\n\025google.protobuf.Empty\022\021OperationM"
+          + "etadata\332A\004name\202\323\344\223\0022*0/v1alpha/{name=pro"
+          + "jects/*/locations/*/backups/*}\022\361\001\n\032ListS"
+          + "upportedDatabaseFlags\022?.google.cloud.all"
+          + "oydb.v1alpha.ListSupportedDatabaseFlagsR"
+          + "equest\032@.google.cloud.alloydb.v1alpha.Li"
+          + "stSupportedDatabaseFlagsResponse\"P\332A\006par"
+          + "ent\202\323\344\223\002A\022?/v1alpha/{parent=projects/*/l"
+          + "ocations/*}/supportedDatabaseFlags\022\377\001\n\031G"
+          + "enerateClientCertificate\022>.google.cloud."
+          + "alloydb.v1alpha.GenerateClientCertificat"
+          + "eRequest\032?.google.cloud.alloydb.v1alpha."
+          + "GenerateClientCertificateResponse\"a\332A\006pa"
+          + "rent\202\323\344\223\002R\"M/v1alpha/{parent=projects/*/"
+          + "locations/*/clusters/*}:generateClientCe"
+          + "rtificate:\001*\022\332\001\n\021GetConnectionInfo\0226.goo"
+          + "gle.cloud.alloydb.v1alpha.GetConnectionI"
+          + "nfoRequest\032,.google.cloud.alloydb.v1alph"
+          + "a.ConnectionInfo\"_\332A\006parent\202\323\344\223\002P\022N/v1al"
+          + "pha/{parent=projects/*/locations/*/clust"
+          + "ers/*/instances/*}/connectionInfo\022\270\001\n\tLi"
+          + "stUsers\022..google.cloud.alloydb.v1alpha.L"
+          + "istUsersRequest\032/.google.cloud.alloydb.v"
+          + "1alpha.ListUsersResponse\"J\332A\006parent\202\323\344\223\002"
+          + ";\0229/v1alpha/{parent=projects/*/locations"
+          + "/*/clusters/*}/users\022\245\001\n\007GetUser\022,.googl"
+          + "e.cloud.alloydb.v1alpha.GetUserRequest\032\""
+          + ".google.cloud.alloydb.v1alpha.User\"H\332A\004n"
+          + "ame\202\323\344\223\002;\0229/v1alpha/{name=projects/*/loc"
+          + "ations/*/clusters/*/users/*}\022\300\001\n\nCreateU"
+          + "ser\022/.google.cloud.alloydb.v1alpha.Creat"
+          + "eUserRequest\032\".google.cloud.alloydb.v1al"
+          + "pha.User\"]\332A\023parent,user,user_id\202\323\344\223\002A\"9"
+          + "/v1alpha/{parent=projects/*/locations/*/"
+          + "clusters/*}/users:\004user\022\302\001\n\nUpdateUser\022/"
+          + ".google.cloud.alloydb.v1alpha.UpdateUser"
+          + "Request\032\".google.cloud.alloydb.v1alpha.U"
+          + "ser\"_\332A\020user,update_mask\202\323\344\223\002F2>/v1alpha"
+          + "/{user.name=projects/*/locations/*/clust"
+          + "ers/*/users/*}:\004user\022\237\001\n\nDeleteUser\022/.go"
+          + "ogle.cloud.alloydb.v1alpha.DeleteUserReq"
+          + "uest\032\026.google.protobuf.Empty\"H\332A\004name\202\323\344"
+          + "\223\002;*9/v1alpha/{name=projects/*/locations"
+          + "/*/clusters/*/users/*}\022\310\001\n\rListDatabases"
+          + "\0222.google.cloud.alloydb.v1alpha.ListData"
+          + "basesRequest\0323.google.cloud.alloydb.v1al"
+          + "pha.ListDatabasesResponse\"N\332A\006parent\202\323\344\223"
+          + "\002?\022=/v1alpha/{parent=projects/*/location"
+          + "s/*/clusters/*}/databases\032J\312A\026alloydb.go"
+          + "ogleapis.com\322A.https://www.googleapis.co"
+          + "m/auth/cloud-platformB\316\001\n com.google.clo"
+          + "ud.alloydb.v1alphaB\014ServiceProtoP\001Z:clou"
+          + "d.google.com/go/alloydb/apiv1alpha/alloy"
+          + "dbpb;alloydbpb\252\002\034Google.Cloud.AlloyDb.V1"
+          + "Alpha\312\002\034Google\\Cloud\\AlloyDb\\V1alpha\352\002\037G"
+          + "oogle::Cloud::AlloyDB::V1alphab\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -967,6 +986,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "RequestId", "ValidateOnly",
             });
+    internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor =
+        getDescriptor().getMessageTypes().get(42);
+    internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_ListDatabasesRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "PageSize", "PageToken", "Filter",
+            });
+    internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor =
+        getDescriptor().getMessageTypes().get(43);
+    internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_alloydb_v1alpha_ListDatabasesResponse_descriptor,
+            new java.lang.String[] {
+              "Databases", "NextPageToken",
+            });
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/resources.proto b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/resources.proto
index 30b9e7ab9c09..eb213a55c215 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/resources.proto
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/resources.proto
@@ -16,13 +16,14 @@ syntax = "proto3";
 
 package google.cloud.alloydb.v1alpha;
 
-import "google/api/field_behavior.proto";
-import "google/api/resource.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 import "google/protobuf/wrappers.proto";
 import "google/type/dayofweek.proto";
 import "google/type/timeofday.proto";
+import "google/api/field_behavior.proto";
+import "google/api/field_info.proto";
+import "google/api/resource.proto";
 
 option csharp_namespace = "Google.Cloud.AlloyDb.V1Alpha";
 option go_package = "cloud.google.com/go/alloydb/apiv1alpha/alloydbpb;alloydbpb";
@@ -386,14 +387,14 @@ message Cluster {
 
   // Metadata related to network configuration.
   message NetworkConfig {
-    // Required. The resource link for the VPC network in which cluster
+    // Optional. The resource link for the VPC network in which cluster
     // resources are created and from which they are accessible via Private IP.
     // The network must belong to the same project as the cluster. It is
     // specified in the form:
     // "projects/{project_number}/global/networks/{network_id}". This is
     // required to create a cluster.
     string network = 1 [
-      (google.api.field_behavior) = REQUIRED,
+      (google.api.field_behavior) = OPTIONAL,
       (google.api.resource_reference) = {
         type: "compute.googleapis.com/Network"
       }
@@ -404,8 +405,8 @@ message Cluster {
     // instance IPs for this cluster will be created in the allocated range. The
     // range name must comply with RFC 1035. Specifically, the name must be 1-63
     // characters long and match the regular expression
-    // [a-z]([-a-z0-9]*[a-z0-9])?.
-    // Field name is intended to be consistent with CloudSQL.
+    // `[a-z]([-a-z0-9]*[a-z0-9])?`.
+    // Field name is intended to be consistent with Cloud SQL.
     string allocated_ip_range = 2 [(google.api.field_behavior) = OPTIONAL];
   }
 
@@ -427,6 +428,13 @@ message Cluster {
         [(google.api.field_behavior) = OUTPUT_ONLY];
   }
 
+  // PscConfig contains PSC related configuration at a cluster level.
+  message PscConfig {
+    // Optional. Create an instance that allows connections from Private Service
+    // Connect endpoints to the instance.
+    bool psc_enabled = 1 [(google.api.field_behavior) = OPTIONAL];
+  }
+
   // Cluster State
   enum State {
     // The state of the cluster is unknown.
@@ -607,8 +615,15 @@ message Cluster {
   // Output only. Cross Region replication config specific to PRIMARY cluster.
   PrimaryConfig primary_config = 23 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Reserved for future use.
-  bool satisfies_pzs = 30;
+  // Output only. Reserved for future use.
+  bool satisfies_pzi = 33 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Reserved for future use.
+  bool satisfies_pzs = 30 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. The configuration for Private Service Connect (PSC) for the
+  // cluster.
+  PscConfig psc_config = 31 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // An Instance is a computing unit that an end customer can connect to.
@@ -701,6 +716,79 @@ message Instance {
     SslConfig ssl_config = 2 [(google.api.field_behavior) = OPTIONAL];
   }
 
+  // Configuration for setting up a PSC interface. This information needs to be
+  // provided by the customer.
+  // PSC interfaces will be created and added to VMs via SLM (adding a network
+  // interface will require recreating the VM). For HA instances this will be
+  // done via LDTM.
+  message PscInterfaceConfig {
+    // A list of endpoints in the consumer VPC the interface might initiate
+    // outbound connections to. This list has to be provided when the PSC
+    // interface is created.
+    repeated string consumer_endpoint_ips = 1;
+
+    // The NetworkAttachment resource created in the consumer VPC to which the
+    // PSC interface will be linked, in the form of:
+    // "projects/${CONSUMER_PROJECT}/regions/${REGION}/networkAttachments/${NETWORK_ATTACHMENT_NAME}".
+    // NetworkAttachment has to be provided when the PSC interface is created.
+    string network_attachment = 2;
+  }
+
+  // PscInstanceConfig contains PSC related configuration at an
+  // instance level.
+  message PscInstanceConfig {
+    // Output only. The service attachment created when Private
+    // Service Connect (PSC) is enabled for the instance.
+    // The name of the resource will be in the format of
+    // projects/<alloydb-tenant-project-number>/regions/<region-name>/serviceAttachments/<service-attachment-name>
+    string service_attachment_link = 1
+        [(google.api.field_behavior) = OUTPUT_ONLY];
+
+    // Optional. List of consumer projects that are allowed to create
+    // PSC endpoints to service-attachments to this instance.
+    repeated string allowed_consumer_projects = 2
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of consumer networks that are allowed to create
+    // PSC endpoints to service-attachments to this instance.
+    repeated string allowed_consumer_networks = 3
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Configurations for setting up PSC interfaces attached to the
+    // instance which are used for outbound connectivity. Only primary instances
+    // can have PSC interface attached. All the VMs created for the primary
+    // instance will share the same configurations. Currently we only support 0
+    // or 1 PSC interface.
+    repeated PscInterfaceConfig psc_interface_configs = 4
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of service attachments that this instance has created
+    // endpoints to connect with. Currently, only a single outgoing service
+    // attachment is supported per instance.
+    repeated string outgoing_service_attachment_links = 5
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Whether PSC connectivity is enabled for this instance.
+    // This is populated by referencing the value from the parent cluster.
+    bool psc_enabled = 6 [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // Metadata related to instance level network configuration.
+  message InstanceNetworkConfig {
+    // AuthorizedNetwork contains metadata for an authorized network.
+    message AuthorizedNetwork {
+      // CIDR range for one authorzied network of the instance.
+      string cidr_range = 1 [(google.api.field_info).format = IPV4];
+    }
+
+    // Optional. A list of external network authorized to access this instance.
+    repeated AuthorizedNetwork authorized_external_networks = 1
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Enabling public ip for the instance.
+    bool enable_public_ip = 2 [(google.api.field_behavior) = OPTIONAL];
+  }
+
   // Instance State
   enum State {
     // The state of the instance is unknown.
@@ -860,7 +948,8 @@ message Instance {
   // Configuration for query insights.
   QueryInsightsInstanceConfig query_insights_config = 21;
 
-  // Read pool specific config.
+  // Read pool instance configuration.
+  // This is required if the value of instanceType is READ_POOL.
   ReadPoolConfig read_pool_config = 14;
 
   // Output only. The IP address for the Instance.
@@ -892,8 +981,20 @@ message Instance {
   ClientConnectionConfig client_connection_config = 23
       [(google.api.field_behavior) = OPTIONAL];
 
-  // Reserved for future use.
-  bool satisfies_pzs = 24;
+  // Output only. Reserved for future use.
+  bool satisfies_pzi = 30 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Reserved for future use.
+  bool satisfies_pzs = 24 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. The configuration for Private Service Connect (PSC) for the
+  // instance.
+  PscInstanceConfig psc_instance_config = 28
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Instance level network configuration.
+  InstanceNetworkConfig network_config = 29
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // ConnectionInfo singleton resource.
@@ -914,6 +1015,14 @@ message ConnectionInfo {
   // is set). This is the connection endpoint for an end-user application.
   string ip_address = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
 
+  // Output only. The public IP addresses for the Instance. This is available
+  // ONLY when enable_public_ip is set. This is the connection endpoint for an
+  // end-user application.
+  string public_ip_address = 5 [
+    (google.api.field_info).format = IPV4,
+    (google.api.field_behavior) = OUTPUT_ONLY
+  ];
+
   // Output only. The pem-encoded chain that may be used to verify the X.509
   // certificate. Expected to be in issuer-to-root order according to RFC 5246.
   repeated string pem_certificate_chain = 3
@@ -1083,8 +1192,11 @@ message Backup {
   QuantityBasedExpiry expiry_quantity = 20
       [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Reserved for future use.
-  bool satisfies_pzs = 21;
+  // Output only. Reserved for future use.
+  bool satisfies_pzi = 23 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Reserved for future use.
+  bool satisfies_pzs = 21 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The database engine major version of the cluster this backup
   // was created from. Any restored cluster created from this backup will have
@@ -1209,3 +1321,28 @@ message User {
   // Optional. Type of this user.
   UserType user_type = 5 [(google.api.field_behavior) = OPTIONAL];
 }
+
+// Message describing Database object.
+message Database {
+  option (google.api.resource) = {
+    type: "alloydb.googleapis.com/Database"
+    pattern: "projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}"
+    plural: "databases"
+    singular: "database"
+    style: DECLARATIVE_FRIENDLY
+  };
+
+  // Identifier. Name of the resource in the form of
+  // projects/{project}/locations/{location}/clusters/{cluster}/databases/{database}.
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
+
+  // Optional. Charset for the database.
+  // This field can contain any PostgreSQL supported charset name.
+  // Example values include "UTF8", "SQL_ASCII", etc.
+  string charset = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Collation for the database.
+  // Name of the custom or native collation for postgres.
+  // Example values include "C", "POSIX", etc
+  string collation = 3 [(google.api.field_behavior) = OPTIONAL];
+}
diff --git a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/service.proto b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/service.proto
index 554419c0e758..8ffe3d046399 100644
--- a/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/service.proto
+++ b/java-alloydb/proto-google-cloud-alloydb-v1alpha/src/main/proto/google/cloud/alloydb/v1alpha/service.proto
@@ -410,6 +410,14 @@ service AlloyDBAdmin {
     };
     option (google.api.method_signature) = "name";
   }
+
+  // Lists Databases in a given project and location.
+  rpc ListDatabases(ListDatabasesRequest) returns (ListDatabasesResponse) {
+    option (google.api.http) = {
+      get: "/v1alpha/{parent=projects/*/locations/*/clusters/*}/databases"
+    };
+    option (google.api.method_signature) = "parent";
+  }
 }
 
 // Message for requesting list of Clusters
@@ -1348,7 +1356,8 @@ message GenerateClientCertificateRequest {
   // not supported (00000000-0000-0000-0000-000000000000).
   string request_id = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. A pem-encoded X.509 certificate signing request (CSR).
+  // Optional. A pem-encoded X.509 certificate signing request (CSR). It is
+  // recommended to use public_key instead.
   string pem_csr = 3
       [deprecated = true, (google.api.field_behavior) = OPTIONAL];
 
@@ -1372,7 +1381,8 @@ message GenerateClientCertificateRequest {
 // Message returned by a GenerateClientCertificate operation.
 message GenerateClientCertificateResponse {
   // Output only. The pem-encoded, signed X.509 certificate.
-  string pem_certificate = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+  string pem_certificate = 1
+      [deprecated = true, (google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The pem-encoded chain that may be used to verify the X.509
   // certificate. Expected to be in issuer-to-root order according to RFC 5246.
@@ -1593,3 +1603,39 @@ message DeleteUserRequest {
   // execute it.
   bool validate_only = 3 [(google.api.field_behavior) = OPTIONAL];
 }
+
+// Message for requesting list of Databases.
+message ListDatabasesRequest {
+  // Required. Parent value for ListDatabasesRequest.
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "alloydb.googleapis.com/Database"
+    }
+  ];
+
+  // Optional. The maximum number of databases to return. The service may return
+  // fewer than this value. If unspecified, an appropriate number of databases
+  // will be returned. The max value will be 2000, values above max will be
+  // coerced to max.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A page token, received from a previous `ListDatabases` call.
+  // This should be provided to retrieve the subsequent page.
+  // This field is currently not supported, its value will be ignored if passed.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Filtering results.
+  // This field is currently not supported, its value will be ignored if passed.
+  string filter = 4 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Message for response to listing Databases.
+message ListDatabasesResponse {
+  // The list of databases
+  repeated Database databases = 1;
+
+  // A token identifying the next page of results the server should return.
+  // If this field is omitted, there are no subsequent pages.
+  string next_page_token = 2;
+}
diff --git a/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabases.java b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabases.java
new file mode 100644
index 000000000000..b3b66ee638ae
--- /dev/null
+++ b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabases.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha.samples;
+
+// [START alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_async]
+import com.google.api.core.ApiFuture;
+import com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient;
+import com.google.cloud.alloydb.v1alpha.ClusterName;
+import com.google.cloud.alloydb.v1alpha.Database;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+
+public class AsyncListDatabases {
+
+  public static void main(String[] args) throws Exception {
+    asyncListDatabases();
+  }
+
+  public static void asyncListDatabases() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+      ListDatabasesRequest request =
+          ListDatabasesRequest.newBuilder()
+              .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      ApiFuture<Database> future =
+          alloyDBAdminClient.listDatabasesPagedCallable().futureCall(request);
+      // Do something.
+      for (Database element : future.get().iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_async]
diff --git a/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabasesPaged.java b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabasesPaged.java
new file mode 100644
index 000000000000..033eb499a878
--- /dev/null
+++ b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/AsyncListDatabasesPaged.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha.samples;
+
+// [START alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_Paged_async]
+import com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient;
+import com.google.cloud.alloydb.v1alpha.ClusterName;
+import com.google.cloud.alloydb.v1alpha.Database;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesResponse;
+import com.google.common.base.Strings;
+
+public class AsyncListDatabasesPaged {
+
+  public static void main(String[] args) throws Exception {
+    asyncListDatabasesPaged();
+  }
+
+  public static void asyncListDatabasesPaged() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+      ListDatabasesRequest request =
+          ListDatabasesRequest.newBuilder()
+              .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      while (true) {
+        ListDatabasesResponse response = alloyDBAdminClient.listDatabasesCallable().call(request);
+        for (Database element : response.getDatabasesList()) {
+          // doThingsWith(element);
+        }
+        String nextPageToken = response.getNextPageToken();
+        if (!Strings.isNullOrEmpty(nextPageToken)) {
+          request = request.toBuilder().setPageToken(nextPageToken).build();
+        } else {
+          break;
+        }
+      }
+    }
+  }
+}
+// [END alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_Paged_async]
diff --git a/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabases.java b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabases.java
new file mode 100644
index 000000000000..1e752b48b72b
--- /dev/null
+++ b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabases.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha.samples;
+
+// [START alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_sync]
+import com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient;
+import com.google.cloud.alloydb.v1alpha.ClusterName;
+import com.google.cloud.alloydb.v1alpha.Database;
+import com.google.cloud.alloydb.v1alpha.ListDatabasesRequest;
+
+public class SyncListDatabases {
+
+  public static void main(String[] args) throws Exception {
+    syncListDatabases();
+  }
+
+  public static void syncListDatabases() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+      ListDatabasesRequest request =
+          ListDatabasesRequest.newBuilder()
+              .setParent(ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      for (Database element : alloyDBAdminClient.listDatabases(request).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_sync]
diff --git a/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesClustername.java b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesClustername.java
new file mode 100644
index 000000000000..a527c52a2f54
--- /dev/null
+++ b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesClustername.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha.samples;
+
+// [START alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_Clustername_sync]
+import com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient;
+import com.google.cloud.alloydb.v1alpha.ClusterName;
+import com.google.cloud.alloydb.v1alpha.Database;
+
+public class SyncListDatabasesClustername {
+
+  public static void main(String[] args) throws Exception {
+    syncListDatabasesClustername();
+  }
+
+  public static void syncListDatabasesClustername() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+      ClusterName parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]");
+      for (Database element : alloyDBAdminClient.listDatabases(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_Clustername_sync]
diff --git a/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesString.java b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesString.java
new file mode 100644
index 000000000000..0d78eb3c6fdb
--- /dev/null
+++ b/java-alloydb/samples/snippets/generated/com/google/cloud/alloydb/v1alpha/alloydbadmin/listdatabases/SyncListDatabasesString.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 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.
+ */
+
+package com.google.cloud.alloydb.v1alpha.samples;
+
+// [START alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_String_sync]
+import com.google.cloud.alloydb.v1alpha.AlloyDBAdminClient;
+import com.google.cloud.alloydb.v1alpha.ClusterName;
+import com.google.cloud.alloydb.v1alpha.Database;
+
+public class SyncListDatabasesString {
+
+  public static void main(String[] args) throws Exception {
+    syncListDatabasesString();
+  }
+
+  public static void syncListDatabasesString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
+      String parent = ClusterName.of("[PROJECT]", "[LOCATION]", "[CLUSTER]").toString();
+      for (Database element : alloyDBAdminClient.listDatabases(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END alloydb_v1alpha_generated_AlloyDBAdmin_ListDatabases_String_sync]