From 6073630cdc3b36275aaaeec0e8317da4de30dbe1 Mon Sep 17 00:00:00 2001 From: "gcf-owl-bot[bot]" <78513119+gcf-owl-bot[bot]@users.noreply.github.com> Date: Fri, 9 Sep 2022 14:48:14 +0000 Subject: [PATCH] chore(bazel): Update WORKSPACE files for rules_gapic, gax_java, generator_java versions (#909) - [ ] Regenerate this pull request now. PiperOrigin-RevId: 472750037 Source-Link: https://github.com/googleapis/googleapis/commit/88f2ea3f53b9712f2e04f28f06210f6f77fa7e24 Source-Link: https://github.com/googleapis/googleapis-gen/commit/230a5588306aae18fe8f2a57f14d4039ad72c901 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMjMwYTU1ODgzMDZhYWUxOGZlOGYyYTU3ZjE0ZDQwMzlhZDcyYzkwMSJ9 --- java-dataproc/README.md | 4 +- .../v1/AutoscalingPolicyServiceClient.java | 182 ++++++++---- .../v1/AutoscalingPolicyServiceSettings.java | 7 +- .../dataproc/v1/BatchControllerClient.java | 154 +++++++--- .../dataproc/v1/BatchControllerSettings.java | 12 +- .../dataproc/v1/ClusterControllerClient.java | 238 ++++++++++----- .../v1/ClusterControllerSettings.java | 12 +- .../dataproc/v1/JobControllerClient.java | 189 ++++++++---- .../dataproc/v1/JobControllerSettings.java | 12 +- .../v1/WorkflowTemplateServiceClient.java | 273 +++++++++++++----- .../v1/WorkflowTemplateServiceSettings.java | 7 +- .../cloud/dataproc/v1/package-info.java | 35 ++- .../AutoscalingPolicyServiceStubSettings.java | 7 +- .../v1/stub/BatchControllerStubSettings.java | 12 +- .../stub/ClusterControllerStubSettings.java | 12 +- .../HttpJsonAutoscalingPolicyServiceStub.java | 6 +- .../v1/stub/HttpJsonBatchControllerStub.java | 3 +- .../stub/HttpJsonClusterControllerStub.java | 15 +- .../v1/stub/HttpJsonJobControllerStub.java | 13 +- .../HttpJsonWorkflowTemplateServiceStub.java | 8 +- .../v1/stub/JobControllerStubSettings.java | 12 +- .../WorkflowTemplateServiceStubSettings.java | 7 +- .../SyncCreateSetCredentialsProvider.java | 7 +- .../SyncCreateSetCredentialsProvider1.java | 7 +- .../create/SyncCreateSetEndpoint.java | 7 +- .../AsyncCreateAutoscalingPolicy.java | 7 +- .../SyncCreateAutoscalingPolicy.java | 7 +- ...ngPolicyLocationnameAutoscalingpolicy.java | 7 +- ...lingPolicyRegionnameAutoscalingpolicy.java | 7 +- ...oscalingPolicyStringAutoscalingpolicy.java | 7 +- .../AsyncDeleteAutoscalingPolicy.java | 7 +- .../SyncDeleteAutoscalingPolicy.java | 7 +- ...utoscalingPolicyAutoscalingpolicyname.java | 7 +- .../SyncDeleteAutoscalingPolicyString.java | 7 +- .../AsyncGetAutoscalingPolicy.java | 7 +- .../SyncGetAutoscalingPolicy.java | 7 +- ...utoscalingPolicyAutoscalingpolicyname.java | 7 +- .../SyncGetAutoscalingPolicyString.java | 7 +- .../AsyncListAutoscalingPolicies.java | 7 +- .../AsyncListAutoscalingPoliciesPaged.java | 7 +- .../SyncListAutoscalingPolicies.java | 7 +- ...ncListAutoscalingPoliciesLocationname.java | 7 +- ...SyncListAutoscalingPoliciesRegionname.java | 7 +- .../SyncListAutoscalingPoliciesString.java | 7 +- .../AsyncUpdateAutoscalingPolicy.java | 7 +- .../SyncUpdateAutoscalingPolicy.java | 7 +- ...ateAutoscalingPolicyAutoscalingpolicy.java | 7 +- .../SyncCreateAutoscalingPolicy.java | 7 +- .../SyncCreateSetCredentialsProvider.java | 7 +- .../SyncCreateSetCredentialsProvider1.java | 7 +- .../create/SyncCreateSetEndpoint.java | 7 +- .../createbatch/AsyncCreateBatch.java | 7 +- .../createbatch/AsyncCreateBatchLRO.java | 7 +- .../createbatch/SyncCreateBatch.java | 7 +- ...yncCreateBatchLocationnameBatchString.java | 7 +- .../SyncCreateBatchStringBatchString.java | 7 +- .../deletebatch/AsyncDeleteBatch.java | 7 +- .../deletebatch/SyncDeleteBatch.java | 7 +- .../deletebatch/SyncDeleteBatchBatchname.java | 7 +- .../deletebatch/SyncDeleteBatchString.java | 7 +- .../getbatch/AsyncGetBatch.java | 7 +- .../getbatch/SyncGetBatch.java | 7 +- .../getbatch/SyncGetBatchBatchname.java | 7 +- .../getbatch/SyncGetBatchString.java | 7 +- .../listbatches/AsyncListBatches.java | 7 +- .../listbatches/AsyncListBatchesPaged.java | 7 +- .../listbatches/SyncListBatches.java | 7 +- .../SyncListBatchesLocationname.java | 7 +- .../listbatches/SyncListBatchesString.java | 7 +- .../getbatch/SyncGetBatch.java | 12 +- .../SyncCreateSetCredentialsProvider.java | 7 +- .../SyncCreateSetCredentialsProvider1.java | 7 +- .../create/SyncCreateSetEndpoint.java | 7 +- .../createcluster/AsyncCreateCluster.java | 7 +- .../createcluster/AsyncCreateClusterLRO.java | 7 +- .../createcluster/SyncCreateCluster.java | 7 +- .../SyncCreateClusterStringStringCluster.java | 7 +- .../deletecluster/AsyncDeleteCluster.java | 7 +- .../deletecluster/AsyncDeleteClusterLRO.java | 7 +- .../deletecluster/SyncDeleteCluster.java | 7 +- .../SyncDeleteClusterStringStringString.java | 7 +- .../diagnosecluster/AsyncDiagnoseCluster.java | 7 +- .../AsyncDiagnoseClusterLRO.java | 7 +- .../diagnosecluster/SyncDiagnoseCluster.java | 7 +- ...SyncDiagnoseClusterStringStringString.java | 7 +- .../getcluster/AsyncGetCluster.java | 7 +- .../getcluster/SyncGetCluster.java | 7 +- .../SyncGetClusterStringStringString.java | 7 +- .../listclusters/AsyncListClusters.java | 7 +- .../listclusters/AsyncListClustersPaged.java | 7 +- .../listclusters/SyncListClusters.java | 7 +- .../SyncListClustersStringString.java | 7 +- .../SyncListClustersStringStringString.java | 7 +- .../startcluster/AsyncStartCluster.java | 7 +- .../startcluster/AsyncStartClusterLRO.java | 7 +- .../startcluster/SyncStartCluster.java | 7 +- .../stopcluster/AsyncStopCluster.java | 7 +- .../stopcluster/AsyncStopClusterLRO.java | 7 +- .../stopcluster/SyncStopCluster.java | 7 +- .../updatecluster/AsyncUpdateCluster.java | 7 +- .../updatecluster/AsyncUpdateClusterLRO.java | 7 +- .../updatecluster/SyncUpdateCluster.java | 7 +- ...terStringStringStringClusterFieldmask.java | 7 +- .../getcluster/SyncGetCluster.java | 12 +- .../canceljob/AsyncCancelJob.java | 7 +- .../canceljob/SyncCancelJob.java | 7 +- .../SyncCancelJobStringStringString.java | 7 +- .../SyncCreateSetCredentialsProvider.java | 7 +- .../SyncCreateSetCredentialsProvider1.java | 7 +- .../create/SyncCreateSetEndpoint.java | 7 +- .../deletejob/AsyncDeleteJob.java | 7 +- .../deletejob/SyncDeleteJob.java | 7 +- .../SyncDeleteJobStringStringString.java | 7 +- .../getjob/AsyncGetJob.java | 7 +- .../getjob/SyncGetJob.java | 7 +- .../getjob/SyncGetJobStringStringString.java | 7 +- .../listjobs/AsyncListJobs.java | 7 +- .../listjobs/AsyncListJobsPaged.java | 7 +- .../listjobs/SyncListJobs.java | 7 +- .../listjobs/SyncListJobsStringString.java | 7 +- .../SyncListJobsStringStringString.java | 7 +- .../submitjob/AsyncSubmitJob.java | 7 +- .../submitjob/SyncSubmitJob.java | 7 +- .../SyncSubmitJobStringStringJob.java | 7 +- .../AsyncSubmitJobAsOperation.java | 7 +- .../AsyncSubmitJobAsOperationLRO.java | 7 +- .../SyncSubmitJobAsOperation.java | 7 +- ...ncSubmitJobAsOperationStringStringJob.java | 7 +- .../updatejob/AsyncUpdateJob.java | 7 +- .../updatejob/SyncUpdateJob.java | 7 +- .../submitjob/SyncSubmitJob.java | 12 +- .../SyncCreateAutoscalingPolicy.java | 7 +- .../getbatch/SyncGetBatch.java | 12 +- .../getcluster/SyncGetCluster.java | 12 +- .../submitjob/SyncSubmitJob.java | 12 +- .../SyncCreateWorkflowTemplate.java | 7 +- .../SyncCreateSetCredentialsProvider.java | 7 +- .../SyncCreateSetCredentialsProvider1.java | 7 +- .../create/SyncCreateSetEndpoint.java | 7 +- .../AsyncCreateWorkflowTemplate.java | 7 +- .../SyncCreateWorkflowTemplate.java | 7 +- ...wTemplateLocationnameWorkflowtemplate.java | 7 +- ...lowTemplateRegionnameWorkflowtemplate.java | 7 +- ...orkflowTemplateStringWorkflowtemplate.java | 7 +- .../AsyncDeleteWorkflowTemplate.java | 7 +- .../SyncDeleteWorkflowTemplate.java | 7 +- .../SyncDeleteWorkflowTemplateString.java | 7 +- ...eWorkflowTemplateWorkflowtemplatename.java | 7 +- .../AsyncGetWorkflowTemplate.java | 7 +- .../SyncGetWorkflowTemplate.java | 7 +- .../SyncGetWorkflowTemplateString.java | 7 +- ...tWorkflowTemplateWorkflowtemplatename.java | 7 +- ...syncInstantiateInlineWorkflowTemplate.java | 7 +- ...cInstantiateInlineWorkflowTemplateLRO.java | 7 +- ...SyncInstantiateInlineWorkflowTemplate.java | 7 +- ...wTemplateLocationnameWorkflowtemplate.java | 7 +- ...lowTemplateRegionnameWorkflowtemplate.java | 7 +- ...orkflowTemplateStringWorkflowtemplate.java | 7 +- .../AsyncInstantiateWorkflowTemplate.java | 7 +- .../AsyncInstantiateWorkflowTemplateLRO.java | 7 +- .../SyncInstantiateWorkflowTemplate.java | 7 +- ...SyncInstantiateWorkflowTemplateString.java | 7 +- ...WorkflowTemplateStringMapstringstring.java | 7 +- ...eWorkflowTemplateWorkflowtemplatename.java | 7 +- ...teWorkflowtemplatenameMapstringstring.java | 7 +- .../AsyncListWorkflowTemplates.java | 7 +- .../AsyncListWorkflowTemplatesPaged.java | 7 +- .../SyncListWorkflowTemplates.java | 7 +- ...SyncListWorkflowTemplatesLocationname.java | 7 +- .../SyncListWorkflowTemplatesRegionname.java | 7 +- .../SyncListWorkflowTemplatesString.java | 7 +- .../AsyncUpdateWorkflowTemplate.java | 7 +- .../SyncUpdateWorkflowTemplate.java | 7 +- ...pdateWorkflowTemplateWorkflowtemplate.java | 7 +- .../SyncCreateWorkflowTemplate.java | 7 +- 175 files changed, 1623 insertions(+), 698 deletions(-) diff --git a/java-dataproc/README.md b/java-dataproc/README.md index 94a7056a89ac..6fb63bac91d6 100644 --- a/java-dataproc/README.md +++ b/java-dataproc/README.md @@ -57,13 +57,13 @@ implementation 'com.google.cloud:google-cloud-dataproc' If you are using Gradle without BOM, add this to your dependencies: ```Groovy -implementation 'com.google.cloud:google-cloud-dataproc:4.0.3' +implementation 'com.google.cloud:google-cloud-dataproc:4.0.4' ``` If you are using SBT, add this to your dependencies: ```Scala -libraryDependencies += "com.google.cloud" % "google-cloud-dataproc" % "4.0.3" +libraryDependencies += "com.google.cloud" % "google-cloud-dataproc" % "4.0.4" ``` ## Authentication diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java index 9f4bfa44f0f6..3657881ddc2f 100644 --- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java +++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java @@ -41,8 +41,11 @@ * calls that map to API methods. Sample code to get started: * * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
  *     AutoscalingPolicyServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -82,8 +85,11 @@
  * 
To customize credentials:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
  *     AutoscalingPolicyServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -95,8 +101,11 @@
  * 
To customize the endpoint:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
  *     AutoscalingPolicyServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
@@ -107,8 +116,11 @@
  * the wire:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
  *     AutoscalingPolicyServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -179,8 +191,11 @@ public AutoscalingPolicyServiceStub getStub() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -221,8 +236,11 @@ public final AutoscalingPolicy createAutoscalingPolicy(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
@@ -263,8 +281,11 @@ public final AutoscalingPolicy createAutoscalingPolicy(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -301,8 +322,11 @@ public final AutoscalingPolicy createAutoscalingPolicy(String parent, Autoscalin
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   CreateAutoscalingPolicyRequest request =
@@ -328,8 +352,11 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   CreateAutoscalingPolicyRequest request =
@@ -358,8 +385,11 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
@@ -385,8 +415,11 @@ public final AutoscalingPolicy updateAutoscalingPolicy(AutoscalingPolicy policy)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   UpdateAutoscalingPolicyRequest request =
@@ -413,8 +446,11 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   UpdateAutoscalingPolicyRequest request =
@@ -440,8 +476,11 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   AutoscalingPolicyName name =
@@ -481,8 +520,11 @@ public final AutoscalingPolicy getAutoscalingPolicy(AutoscalingPolicyName name)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   String name =
@@ -521,8 +563,11 @@ public final AutoscalingPolicy getAutoscalingPolicy(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   GetAutoscalingPolicyRequest request =
@@ -550,8 +595,11 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   GetAutoscalingPolicyRequest request =
@@ -580,8 +628,11 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -620,8 +671,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Locati
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
@@ -660,8 +714,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Region
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -698,8 +755,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(String
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   ListAutoscalingPoliciesRequest request =
@@ -730,8 +790,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   ListAutoscalingPoliciesRequest request =
@@ -761,8 +824,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   ListAutoscalingPoliciesRequest request =
@@ -800,8 +866,11 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   AutoscalingPolicyName name =
@@ -842,8 +911,11 @@ public final void deleteAutoscalingPolicy(AutoscalingPolicyName name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   String name =
@@ -883,8 +955,11 @@ public final void deleteAutoscalingPolicy(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   DeleteAutoscalingPolicyRequest request =
@@ -913,8 +988,11 @@ public final void deleteAutoscalingPolicy(DeleteAutoscalingPolicyRequest request
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
    *     AutoscalingPolicyServiceClient.create()) {
    *   DeleteAutoscalingPolicyRequest request =
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceSettings.java
index 44d8018c90ad..038b6554a55b 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceSettings.java
@@ -54,8 +54,11 @@
  * 
For example, to set the total timeout of createAutoscalingPolicy to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * AutoscalingPolicyServiceSettings.Builder autoscalingPolicyServiceSettingsBuilder =
  *     AutoscalingPolicyServiceSettings.newBuilder();
  * autoscalingPolicyServiceSettingsBuilder
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerClient.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerClient.java
index c8f26d1d7616..c389df85862c 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerClient.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerClient.java
@@ -46,8 +46,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
  *   BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
  *   Batch response = batchControllerClient.getBatch(name);
@@ -84,8 +87,11 @@
  * 
To customize credentials:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * BatchControllerSettings batchControllerSettings =
  *     BatchControllerSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -97,8 +103,11 @@
  * 
To customize the endpoint:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * BatchControllerSettings batchControllerSettings =
  *     BatchControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
  * BatchControllerClient batchControllerClient =
@@ -109,8 +118,11 @@
  * the wire:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * BatchControllerSettings batchControllerSettings =
  *     BatchControllerSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -204,8 +216,11 @@ public final OperationsClient getHttpJsonOperationsClient() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Batch batch = Batch.newBuilder().build();
@@ -239,8 +254,11 @@ public final OperationFuture createBatchAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Batch batch = Batch.newBuilder().build();
@@ -274,8 +292,11 @@ public final OperationFuture createBatchAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   CreateBatchRequest request =
    *       CreateBatchRequest.newBuilder()
@@ -303,8 +324,11 @@ public final OperationFuture createBatchAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   CreateBatchRequest request =
    *       CreateBatchRequest.newBuilder()
@@ -332,8 +356,11 @@ public final OperationFuture createBatchAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   CreateBatchRequest request =
    *       CreateBatchRequest.newBuilder()
@@ -359,8 +386,11 @@ public final UnaryCallable createBatchCallable()
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
    *   Batch response = batchControllerClient.getBatch(name);
@@ -383,8 +413,11 @@ public final Batch getBatch(BatchName name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   String name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]").toString();
    *   Batch response = batchControllerClient.getBatch(name);
@@ -406,8 +439,11 @@ public final Batch getBatch(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   GetBatchRequest request =
    *       GetBatchRequest.newBuilder()
@@ -431,8 +467,11 @@ public final Batch getBatch(GetBatchRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   GetBatchRequest request =
    *       GetBatchRequest.newBuilder()
@@ -455,8 +494,11 @@ public final UnaryCallable getBatchCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Batch element : batchControllerClient.listBatches(parent).iterateAll()) {
@@ -483,8 +525,11 @@ public final ListBatchesPagedResponse listBatches(LocationName parent) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Batch element : batchControllerClient.listBatches(parent).iterateAll()) {
@@ -508,8 +553,11 @@ public final ListBatchesPagedResponse listBatches(String parent) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   ListBatchesRequest request =
    *       ListBatchesRequest.newBuilder()
@@ -537,8 +585,11 @@ public final ListBatchesPagedResponse listBatches(ListBatchesRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   ListBatchesRequest request =
    *       ListBatchesRequest.newBuilder()
@@ -567,8 +618,11 @@ public final ListBatchesPagedResponse listBatches(ListBatchesRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   ListBatchesRequest request =
    *       ListBatchesRequest.newBuilder()
@@ -603,8 +657,11 @@ public final UnaryCallable listBatchesC
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
    *   batchControllerClient.deleteBatch(name);
@@ -628,8 +685,11 @@ public final void deleteBatch(BatchName name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   String name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]").toString();
    *   batchControllerClient.deleteBatch(name);
@@ -652,8 +712,11 @@ public final void deleteBatch(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   DeleteBatchRequest request =
    *       DeleteBatchRequest.newBuilder()
@@ -678,8 +741,11 @@ public final void deleteBatch(DeleteBatchRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
    *   DeleteBatchRequest request =
    *       DeleteBatchRequest.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerSettings.java
index a52bdd7df200..951ae345a791 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/BatchControllerSettings.java
@@ -56,17 +56,17 @@
  * 
For example, to set the total timeout of getBatch to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * BatchControllerSettings.Builder batchControllerSettingsBuilder =
  *     BatchControllerSettings.newBuilder();
  * batchControllerSettingsBuilder
  *     .getBatchSettings()
  *     .setRetrySettings(
- *         batchControllerSettingsBuilder
- *             .getBatchSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         batchControllerSettingsBuilder.getBatchSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * BatchControllerSettings batchControllerSettings = batchControllerSettingsBuilder.build();
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
index 5cecf3207d4e..12812a0b181f 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
@@ -48,8 +48,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
  *   String projectId = "projectId-894832108";
  *   String region = "region-934795532";
@@ -88,8 +91,11 @@
  * 
To customize credentials:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * ClusterControllerSettings clusterControllerSettings =
  *     ClusterControllerSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -101,8 +107,11 @@
  * 
To customize the endpoint:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * ClusterControllerSettings clusterControllerSettings =
  *     ClusterControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ClusterControllerClient clusterControllerClient =
@@ -113,8 +122,11 @@
  * the wire:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * ClusterControllerSettings clusterControllerSettings =
  *     ClusterControllerSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -210,8 +222,11 @@ public final OperationsClient getHttpJsonOperationsClient() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -247,8 +262,11 @@ public final OperationFuture createClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   CreateClusterRequest request =
    *       CreateClusterRequest.newBuilder()
@@ -279,8 +297,11 @@ public final OperationFuture createClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   CreateClusterRequest request =
    *       CreateClusterRequest.newBuilder()
@@ -311,8 +332,11 @@ public final OperationFuture createClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   CreateClusterRequest request =
    *       CreateClusterRequest.newBuilder()
@@ -344,8 +368,11 @@ public final UnaryCallable createClusterCallabl
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -410,8 +437,11 @@ public final OperationFuture updateClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   UpdateClusterRequest request =
    *       UpdateClusterRequest.newBuilder()
@@ -446,8 +476,11 @@ public final OperationFuture updateClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   UpdateClusterRequest request =
    *       UpdateClusterRequest.newBuilder()
@@ -482,8 +515,11 @@ public final OperationFuture updateClusterAsy
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   UpdateClusterRequest request =
    *       UpdateClusterRequest.newBuilder()
@@ -513,8 +549,11 @@ public final UnaryCallable updateClusterCallabl
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StopClusterRequest request =
    *       StopClusterRequest.newBuilder()
@@ -543,8 +582,11 @@ public final OperationFuture stopClusterAsync
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StopClusterRequest request =
    *       StopClusterRequest.newBuilder()
@@ -573,8 +615,11 @@ public final OperationFuture stopClusterAsync
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StopClusterRequest request =
    *       StopClusterRequest.newBuilder()
@@ -602,8 +647,11 @@ public final UnaryCallable stopClusterCallable()
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StartClusterRequest request =
    *       StartClusterRequest.newBuilder()
@@ -632,8 +680,11 @@ public final OperationFuture startClusterAsyn
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StartClusterRequest request =
    *       StartClusterRequest.newBuilder()
@@ -662,8 +713,11 @@ public final OperationFuture startClusterAsyn
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   StartClusterRequest request =
    *       StartClusterRequest.newBuilder()
@@ -693,8 +747,11 @@ public final UnaryCallable startClusterCallable(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -729,8 +786,11 @@ public final OperationFuture deleteClusterAsync
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DeleteClusterRequest request =
    *       DeleteClusterRequest.newBuilder()
@@ -761,8 +821,11 @@ public final OperationFuture deleteClusterAsync
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DeleteClusterRequest request =
    *       DeleteClusterRequest.newBuilder()
@@ -793,8 +856,11 @@ public final OperationFuture deleteClusterAsync
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DeleteClusterRequest request =
    *       DeleteClusterRequest.newBuilder()
@@ -822,8 +888,11 @@ public final UnaryCallable deleteClusterCallabl
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -855,8 +924,11 @@ public final Cluster getCluster(String projectId, String region, String clusterN
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   GetClusterRequest request =
    *       GetClusterRequest.newBuilder()
@@ -882,8 +954,11 @@ public final Cluster getCluster(GetClusterRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   GetClusterRequest request =
    *       GetClusterRequest.newBuilder()
@@ -908,8 +983,11 @@ public final UnaryCallable getClusterCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -937,8 +1015,11 @@ public final ListClustersPagedResponse listClusters(String projectId, String reg
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -987,8 +1068,11 @@ public final ListClustersPagedResponse listClusters(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   ListClustersRequest request =
    *       ListClustersRequest.newBuilder()
@@ -1018,8 +1102,11 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   ListClustersRequest request =
    *       ListClustersRequest.newBuilder()
@@ -1050,8 +1137,11 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   ListClustersRequest request =
    *       ListClustersRequest.newBuilder()
@@ -1093,8 +1183,11 @@ public final UnaryCallable listCluste
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -1133,8 +1226,11 @@ public final UnaryCallable listCluste
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DiagnoseClusterRequest request =
    *       DiagnoseClusterRequest.newBuilder()
@@ -1166,8 +1262,11 @@ public final UnaryCallable listCluste
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DiagnoseClusterRequest request =
    *       DiagnoseClusterRequest.newBuilder()
@@ -1200,8 +1299,11 @@ public final UnaryCallable listCluste
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
    *   DiagnoseClusterRequest request =
    *       DiagnoseClusterRequest.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerSettings.java
index 55d39d98e9f1..f2fc2a9a1631 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerSettings.java
@@ -56,17 +56,17 @@
  * 
For example, to set the total timeout of getCluster to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * ClusterControllerSettings.Builder clusterControllerSettingsBuilder =
  *     ClusterControllerSettings.newBuilder();
  * clusterControllerSettingsBuilder
  *     .getClusterSettings()
  *     .setRetrySettings(
- *         clusterControllerSettingsBuilder
- *             .getClusterSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         clusterControllerSettingsBuilder.getClusterSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * ClusterControllerSettings clusterControllerSettings = clusterControllerSettingsBuilder.build();
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
index 58cfd102b15c..688040acda0e 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
@@ -46,8 +46,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
  *   String projectId = "projectId-894832108";
  *   String region = "region-934795532";
@@ -85,8 +88,11 @@
  * 
To customize credentials:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * JobControllerSettings jobControllerSettings =
  *     JobControllerSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -97,8 +103,11 @@
  * 
To customize the endpoint:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * JobControllerSettings jobControllerSettings =
  *     JobControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
  * JobControllerClient jobControllerClient = JobControllerClient.create(jobControllerSettings);
@@ -108,8 +117,11 @@
  * the wire:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * JobControllerSettings jobControllerSettings =
  *     JobControllerSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -202,8 +214,11 @@ public final OperationsClient getHttpJsonOperationsClient() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -230,8 +245,11 @@ public final Job submitJob(String projectId, String region, Job job) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   SubmitJobRequest request =
    *       SubmitJobRequest.newBuilder()
@@ -258,8 +276,11 @@ public final Job submitJob(SubmitJobRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   SubmitJobRequest request =
    *       SubmitJobRequest.newBuilder()
@@ -285,8 +306,11 @@ public final UnaryCallable submitJobCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -314,8 +338,11 @@ public final OperationFuture submitJobAsOperationAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   SubmitJobRequest request =
    *       SubmitJobRequest.newBuilder()
@@ -343,8 +370,11 @@ public final OperationFuture submitJobAsOperationAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   SubmitJobRequest request =
    *       SubmitJobRequest.newBuilder()
@@ -372,8 +402,11 @@ public final OperationFuture submitJobAsOperationAsync(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   SubmitJobRequest request =
    *       SubmitJobRequest.newBuilder()
@@ -400,8 +433,11 @@ public final UnaryCallable submitJobAsOperationCall
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -432,8 +468,11 @@ public final Job getJob(String projectId, String region, String jobId) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   GetJobRequest request =
    *       GetJobRequest.newBuilder()
@@ -459,8 +498,11 @@ public final Job getJob(GetJobRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   GetJobRequest request =
    *       GetJobRequest.newBuilder()
@@ -485,8 +527,11 @@ public final UnaryCallable getJobCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -513,8 +558,11 @@ public final ListJobsPagedResponse listJobs(String projectId, String region) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -555,8 +603,11 @@ public final ListJobsPagedResponse listJobs(String projectId, String region, Str
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   ListJobsRequest request =
    *       ListJobsRequest.newBuilder()
@@ -587,8 +638,11 @@ public final ListJobsPagedResponse listJobs(ListJobsRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   ListJobsRequest request =
    *       ListJobsRequest.newBuilder()
@@ -618,8 +672,11 @@ public final UnaryCallable listJobsPaged
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   ListJobsRequest request =
    *       ListJobsRequest.newBuilder()
@@ -656,8 +713,11 @@ public final UnaryCallable listJobsCallable()
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   UpdateJobRequest request =
    *       UpdateJobRequest.newBuilder()
@@ -685,8 +745,11 @@ public final Job updateJob(UpdateJobRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   UpdateJobRequest request =
    *       UpdateJobRequest.newBuilder()
@@ -716,8 +779,11 @@ public final UnaryCallable updateJobCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -751,8 +817,11 @@ public final Job cancelJob(String projectId, String region, String jobId) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   CancelJobRequest request =
    *       CancelJobRequest.newBuilder()
@@ -781,8 +850,11 @@ public final Job cancelJob(CancelJobRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   CancelJobRequest request =
    *       CancelJobRequest.newBuilder()
@@ -808,8 +880,11 @@ public final UnaryCallable cancelJobCallable() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   String projectId = "projectId-894832108";
    *   String region = "region-934795532";
@@ -841,8 +916,11 @@ public final void deleteJob(String projectId, String region, String jobId) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   DeleteJobRequest request =
    *       DeleteJobRequest.newBuilder()
@@ -869,8 +947,11 @@ public final void deleteJob(DeleteJobRequest request) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
    *   DeleteJobRequest request =
    *       DeleteJobRequest.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerSettings.java
index 71bc0b5e3666..f2e480e92407 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerSettings.java
@@ -56,16 +56,16 @@
  * 
For example, to set the total timeout of submitJob to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * JobControllerSettings.Builder jobControllerSettingsBuilder = JobControllerSettings.newBuilder();
  * jobControllerSettingsBuilder
  *     .submitJobSettings()
  *     .setRetrySettings(
- *         jobControllerSettingsBuilder
- *             .submitJobSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         jobControllerSettingsBuilder.submitJobSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * JobControllerSettings jobControllerSettings = jobControllerSettingsBuilder.build();
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
index 8d0650988a62..001a4918ebb9 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
@@ -47,8 +47,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
  *     WorkflowTemplateServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -88,8 +91,11 @@
  * 
To customize credentials:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
  *     WorkflowTemplateServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -101,8 +107,11 @@
  * 
To customize the endpoint:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
  *     WorkflowTemplateServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * WorkflowTemplateServiceClient workflowTemplateServiceClient =
@@ -113,8 +122,11 @@
  * the wire:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
  *     WorkflowTemplateServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -209,8 +221,11 @@ public final OperationsClient getHttpJsonOperationsClient() {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -251,8 +266,11 @@ public final WorkflowTemplate createWorkflowTemplate(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
@@ -293,8 +311,11 @@ public final WorkflowTemplate createWorkflowTemplate(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
@@ -331,8 +352,11 @@ public final WorkflowTemplate createWorkflowTemplate(String parent, WorkflowTemp
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   CreateWorkflowTemplateRequest request =
@@ -358,8 +382,11 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   CreateWorkflowTemplateRequest request =
@@ -388,8 +415,11 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   WorkflowTemplateName name =
@@ -431,8 +461,11 @@ public final WorkflowTemplate getWorkflowTemplate(WorkflowTemplateName name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String name =
@@ -473,8 +506,11 @@ public final WorkflowTemplate getWorkflowTemplate(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   GetWorkflowTemplateRequest request =
@@ -505,8 +541,11 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   GetWorkflowTemplateRequest request =
@@ -552,8 +591,11 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   WorkflowTemplateName name =
@@ -610,8 +652,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String name =
@@ -667,8 +712,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   WorkflowTemplateName name =
@@ -729,8 +777,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String name =
@@ -792,8 +843,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateWorkflowTemplateRequest request =
@@ -841,8 +895,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateWorkflowTemplateRequest request =
@@ -892,8 +949,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateWorkflowTemplateRequest request =
@@ -946,8 +1006,11 @@ public final OperationFuture instantiateWorkflowTemplat
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -1008,8 +1071,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
@@ -1070,8 +1136,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
@@ -1132,8 +1201,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateInlineWorkflowTemplateRequest request =
@@ -1182,8 +1254,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateInlineWorkflowTemplateRequest request =
@@ -1234,8 +1309,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   InstantiateInlineWorkflowTemplateRequest request =
@@ -1266,8 +1344,11 @@ public final OperationFuture instantiateInlineWorkflowT
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
@@ -1293,8 +1374,11 @@ public final WorkflowTemplate updateWorkflowTemplate(WorkflowTemplate template)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   UpdateWorkflowTemplateRequest request =
@@ -1320,8 +1404,11 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   UpdateWorkflowTemplateRequest request =
@@ -1347,8 +1434,11 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -1387,8 +1477,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(LocationNa
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
@@ -1427,8 +1520,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(RegionName
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
@@ -1465,8 +1561,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(String par
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   ListWorkflowTemplatesRequest request =
@@ -1497,8 +1596,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   ListWorkflowTemplatesRequest request =
@@ -1528,8 +1630,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   ListWorkflowTemplatesRequest request =
@@ -1566,8 +1671,11 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   WorkflowTemplateName name =
@@ -1607,8 +1715,11 @@ public final void deleteWorkflowTemplate(WorkflowTemplateName name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   String name =
@@ -1647,8 +1758,11 @@ public final void deleteWorkflowTemplate(String name) {
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   DeleteWorkflowTemplateRequest request =
@@ -1677,8 +1791,11 @@ public final void deleteWorkflowTemplate(DeleteWorkflowTemplateRequest request)
    * 
Sample code:
    *
    * 
{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
    *     WorkflowTemplateServiceClient.create()) {
    *   DeleteWorkflowTemplateRequest request =
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceSettings.java
index 88c8dfc287e6..9224a7d5e0e9 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceSettings.java
@@ -56,8 +56,11 @@
  * 
For example, to set the total timeout of createWorkflowTemplate to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * WorkflowTemplateServiceSettings.Builder workflowTemplateServiceSettingsBuilder =
  *     WorkflowTemplateServiceSettings.newBuilder();
  * workflowTemplateServiceSettingsBuilder
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
index df1f4105bf6a..7f608efc866d 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
@@ -24,8 +24,11 @@
  * 
Sample for AutoscalingPolicyServiceClient:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
  *     AutoscalingPolicyServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -42,8 +45,11 @@
  * 
Sample for BatchControllerClient:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
  *   BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
  *   Batch response = batchControllerClient.getBatch(name);
@@ -58,8 +64,11 @@
  * 
Sample for ClusterControllerClient:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
  *   String projectId = "projectId-894832108";
  *   String region = "region-934795532";
@@ -75,8 +84,11 @@
  * 
Sample for JobControllerClient:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
  *   String projectId = "projectId-894832108";
  *   String region = "region-934795532";
@@ -92,8 +104,11 @@
  * 
Sample for WorkflowTemplateServiceClient:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
  *     WorkflowTemplateServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/AutoscalingPolicyServiceStubSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/AutoscalingPolicyServiceStubSettings.java
index 1a2a5e94b665..9394126b7725 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/AutoscalingPolicyServiceStubSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/AutoscalingPolicyServiceStubSettings.java
@@ -78,8 +78,11 @@
  * 
For example, to set the total timeout of createAutoscalingPolicy to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * AutoscalingPolicyServiceStubSettings.Builder autoscalingPolicyServiceSettingsBuilder =
  *     AutoscalingPolicyServiceStubSettings.newBuilder();
  * autoscalingPolicyServiceSettingsBuilder
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/BatchControllerStubSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/BatchControllerStubSettings.java
index 832821dc9090..6dc2d972764a 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/BatchControllerStubSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/BatchControllerStubSettings.java
@@ -83,17 +83,17 @@
  * 
For example, to set the total timeout of getBatch to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * BatchControllerStubSettings.Builder batchControllerSettingsBuilder =
  *     BatchControllerStubSettings.newBuilder();
  * batchControllerSettingsBuilder
  *     .getBatchSettings()
  *     .setRetrySettings(
- *         batchControllerSettingsBuilder
- *             .getBatchSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         batchControllerSettingsBuilder.getBatchSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * BatchControllerStubSettings batchControllerSettings = batchControllerSettingsBuilder.build();
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/ClusterControllerStubSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/ClusterControllerStubSettings.java
index 766ba6112ca6..3c06e344e8cc 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/ClusterControllerStubSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/ClusterControllerStubSettings.java
@@ -88,17 +88,17 @@
  * 
For example, to set the total timeout of getCluster to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * ClusterControllerStubSettings.Builder clusterControllerSettingsBuilder =
  *     ClusterControllerStubSettings.newBuilder();
  * clusterControllerSettingsBuilder
  *     .getClusterSettings()
  *     .setRetrySettings(
- *         clusterControllerSettingsBuilder
- *             .getClusterSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         clusterControllerSettingsBuilder.getClusterSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * ClusterControllerStubSettings clusterControllerSettings =
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonAutoscalingPolicyServiceStub.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonAutoscalingPolicyServiceStub.java
index ee4bb3b9b304..20d94992afa4 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonAutoscalingPolicyServiceStub.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonAutoscalingPolicyServiceStub.java
@@ -86,7 +86,8 @@ public class HttpJsonAutoscalingPolicyServiceStub extends AutoscalingPolicyServi
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("policy", request.getPolicy()))
+                              ProtoRestSerializer.create()
+                                  .toBody("policy", request.getPolicy(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -125,7 +126,8 @@ public class HttpJsonAutoscalingPolicyServiceStub extends AutoscalingPolicyServi
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("policy", request.getPolicy()))
+                              ProtoRestSerializer.create()
+                                  .toBody("policy", request.getPolicy(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonBatchControllerStub.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonBatchControllerStub.java
index aa10538ccf49..20b8454e5b94 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonBatchControllerStub.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonBatchControllerStub.java
@@ -94,7 +94,8 @@ public class HttpJsonBatchControllerStub extends BatchControllerStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("batch", request.getBatch()))
+                              ProtoRestSerializer.create()
+                                  .toBody("batch", request.getBatch(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonClusterControllerStub.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonClusterControllerStub.java
index e877794f983d..5b2bb4141657 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonClusterControllerStub.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonClusterControllerStub.java
@@ -105,7 +105,8 @@ public class HttpJsonClusterControllerStub extends ClusterControllerStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("cluster", request.getCluster()))
+                              ProtoRestSerializer.create()
+                                  .toBody("cluster", request.getCluster(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -152,7 +153,8 @@ public class HttpJsonClusterControllerStub extends ClusterControllerStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("cluster", request.getCluster()))
+                              ProtoRestSerializer.create()
+                                  .toBody("cluster", request.getCluster(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -201,7 +203,8 @@ public class HttpJsonClusterControllerStub extends ClusterControllerStub {
                                           .clearClusterName()
                                           .clearProjectId()
                                           .clearRegion()
-                                          .build()))
+                                          .build(),
+                                      false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -250,7 +253,8 @@ public class HttpJsonClusterControllerStub extends ClusterControllerStub {
                                           .clearClusterName()
                                           .clearProjectId()
                                           .clearRegion()
-                                          .build()))
+                                          .build(),
+                                      false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -412,7 +416,8 @@ public class HttpJsonClusterControllerStub extends ClusterControllerStub {
                                           .clearClusterName()
                                           .clearProjectId()
                                           .clearRegion()
-                                          .build()))
+                                          .build(),
+                                      false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonJobControllerStub.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonJobControllerStub.java
index ddd1893669e1..7d26c11b8b3d 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonJobControllerStub.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonJobControllerStub.java
@@ -93,7 +93,9 @@ public class HttpJsonJobControllerStub extends JobControllerStub {
                       request ->
                           ProtoRestSerializer.create()
                               .toBody(
-                                  "*", request.toBuilder().clearProjectId().clearRegion().build()))
+                                  "*",
+                                  request.toBuilder().clearProjectId().clearRegion().build(),
+                                  false))
                   .build())
           .setResponseParser(
               ProtoMessageResponseParser.newBuilder()
@@ -132,7 +134,8 @@ public class HttpJsonJobControllerStub extends JobControllerStub {
                               ProtoRestSerializer.create()
                                   .toBody(
                                       "*",
-                                      request.toBuilder().clearProjectId().clearRegion().build()))
+                                      request.toBuilder().clearProjectId().clearRegion().build(),
+                                      false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -246,7 +249,8 @@ public class HttpJsonJobControllerStub extends JobControllerStub {
                         return fields;
                       })
                   .setRequestBodyExtractor(
-                      request -> ProtoRestSerializer.create().toBody("job", request.getJob()))
+                      request ->
+                          ProtoRestSerializer.create().toBody("job", request.getJob(), false))
                   .build())
           .setResponseParser(
               ProtoMessageResponseParser.newBuilder()
@@ -290,7 +294,8 @@ public class HttpJsonJobControllerStub extends JobControllerStub {
                                       .clearJobId()
                                       .clearProjectId()
                                       .clearRegion()
-                                      .build()))
+                                      .build(),
+                                  false))
                   .build())
           .setResponseParser(
               ProtoMessageResponseParser.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonWorkflowTemplateServiceStub.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonWorkflowTemplateServiceStub.java
index 1e980390ea3f..4a07f7bdcd19 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonWorkflowTemplateServiceStub.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/HttpJsonWorkflowTemplateServiceStub.java
@@ -98,7 +98,7 @@ public class HttpJsonWorkflowTemplateServiceStub extends WorkflowTemplateService
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("template", request.getTemplate()))
+                                  .toBody("template", request.getTemplate(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -173,7 +173,7 @@ public class HttpJsonWorkflowTemplateServiceStub extends WorkflowTemplateService
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -217,7 +217,7 @@ public class HttpJsonWorkflowTemplateServiceStub extends WorkflowTemplateService
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("template", request.getTemplate()))
+                                  .toBody("template", request.getTemplate(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -260,7 +260,7 @@ public class HttpJsonWorkflowTemplateServiceStub extends WorkflowTemplateService
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("template", request.getTemplate()))
+                                  .toBody("template", request.getTemplate(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/JobControllerStubSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/JobControllerStubSettings.java
index 3d8358420e8c..757586659243 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/JobControllerStubSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/JobControllerStubSettings.java
@@ -85,17 +85,17 @@
  * 
For example, to set the total timeout of submitJob to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * JobControllerStubSettings.Builder jobControllerSettingsBuilder =
  *     JobControllerStubSettings.newBuilder();
  * jobControllerSettingsBuilder
  *     .submitJobSettings()
  *     .setRetrySettings(
- *         jobControllerSettingsBuilder
- *             .submitJobSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         jobControllerSettingsBuilder.submitJobSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * JobControllerStubSettings jobControllerSettings = jobControllerSettingsBuilder.build();
diff --git a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/WorkflowTemplateServiceStubSettings.java b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/WorkflowTemplateServiceStubSettings.java
index 06fc771117b0..a039aab06b02 100644
--- a/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/WorkflowTemplateServiceStubSettings.java
+++ b/java-dataproc/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/stub/WorkflowTemplateServiceStubSettings.java
@@ -86,8 +86,11 @@
  * 
For example, to set the total timeout of createWorkflowTemplate to 30 seconds:
  *
  * 
{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // 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
  * WorkflowTemplateServiceStubSettings.Builder workflowTemplateServiceSettingsBuilder =
  *     WorkflowTemplateServiceStubSettings.newBuilder();
  * workflowTemplateServiceSettingsBuilder
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider.java
index 62e0ffa8ac61..6dba06e507ed 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
         AutoscalingPolicyServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider1.java
index 29234b180d53..e9a19dd577c5 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
         AutoscalingPolicyServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetEndpoint.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetEndpoint.java
index 605bda4dbe44..af2559849911 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     AutoscalingPolicyServiceSettings autoscalingPolicyServiceSettings =
         AutoscalingPolicyServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/AsyncCreateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/AsyncCreateAutoscalingPolicy.java
index 0f089a3b6c4a..49243ea29bc4 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/AsyncCreateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/AsyncCreateAutoscalingPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       CreateAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
index 2b81972cd2cf..efb7516893cd 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       CreateAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyLocationnameAutoscalingpolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyLocationnameAutoscalingpolicy.java
index 2d08b9591161..8892b60ed7cb 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyLocationnameAutoscalingpolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyLocationnameAutoscalingpolicy.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicyLocationnameAutoscalingpolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyRegionnameAutoscalingpolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyRegionnameAutoscalingpolicy.java
index 8b70651cc089..c0cddcf77507 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyRegionnameAutoscalingpolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyRegionnameAutoscalingpolicy.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicyRegionnameAutoscalingpolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyStringAutoscalingpolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyStringAutoscalingpolicy.java
index 05afde5f7383..6f2f6dcffb8d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyStringAutoscalingpolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/createautoscalingpolicy/SyncCreateAutoscalingPolicyStringAutoscalingpolicy.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicyStringAutoscalingpolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/AsyncDeleteAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/AsyncDeleteAutoscalingPolicy.java
index bc4ffec24845..9dc50aa3402d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/AsyncDeleteAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/AsyncDeleteAutoscalingPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       DeleteAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicy.java
index a5ba2c2c42ee..15c755e51062 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicy.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       DeleteAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyAutoscalingpolicyname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyAutoscalingpolicyname.java
index c30f1a49c8e4..61c04fad8c3b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyAutoscalingpolicyname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyAutoscalingpolicyname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteAutoscalingPolicyAutoscalingpolicyname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       AutoscalingPolicyName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyString.java
index 6b0c3cd9abf5..de19adf388da 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/deleteautoscalingpolicy/SyncDeleteAutoscalingPolicyString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteAutoscalingPolicyString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/AsyncGetAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/AsyncGetAutoscalingPolicy.java
index 007848230844..1787aa6d9971 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/AsyncGetAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/AsyncGetAutoscalingPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       GetAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicy.java
index 3e05d1c4c612..e303e2be42ec 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicy.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       GetAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyAutoscalingpolicyname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyAutoscalingpolicyname.java
index e9d14580d9a0..594fd1192b5a 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyAutoscalingpolicyname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyAutoscalingpolicyname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetAutoscalingPolicyAutoscalingpolicyname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       AutoscalingPolicyName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyString.java
index da79dbb9ef82..39f6afec152e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/getautoscalingpolicy/SyncGetAutoscalingPolicyString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetAutoscalingPolicyString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPolicies.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPolicies.java
index c0c5dcb898e7..b455040dd2dd 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPolicies.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPolicies.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListAutoscalingPolicies() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       ListAutoscalingPoliciesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPoliciesPaged.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPoliciesPaged.java
index 644690ba9eba..9a20618dbbda 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPoliciesPaged.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/AsyncListAutoscalingPoliciesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListAutoscalingPoliciesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       ListAutoscalingPoliciesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPolicies.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPolicies.java
index e3c92d37fadb..1db78e7c5b9f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPolicies.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPolicies.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListAutoscalingPolicies() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       ListAutoscalingPoliciesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesLocationname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesLocationname.java
index 7c32f189c17f..38236be69054 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesLocationname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesLocationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListAutoscalingPoliciesLocationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesRegionname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesRegionname.java
index 577c18c9ddeb..0290c1f0a1b6 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesRegionname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesRegionname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListAutoscalingPoliciesRegionname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesString.java
index ffdcb024e459..de1088cdc11d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/listautoscalingpolicies/SyncListAutoscalingPoliciesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListAutoscalingPoliciesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/AsyncUpdateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/AsyncUpdateAutoscalingPolicy.java
index 960be01b6835..7a19f36d75db 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/AsyncUpdateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/AsyncUpdateAutoscalingPolicy.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       UpdateAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicy.java
index 853d38886dd0..9cb872bcd9de 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicy.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       UpdateAutoscalingPolicyRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicyAutoscalingpolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicyAutoscalingpolicy.java
index 8688d7474c9f..3718e929b5e0 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicyAutoscalingpolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyserviceclient/updateautoscalingpolicy/SyncUpdateAutoscalingPolicyAutoscalingpolicy.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateAutoscalingPolicyAutoscalingpolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
         AutoscalingPolicyServiceClient.create()) {
       AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyservicesettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyservicesettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
index afc5ad757f04..c6b3fc92359f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyservicesettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/autoscalingpolicyservicesettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     AutoscalingPolicyServiceSettings.Builder autoscalingPolicyServiceSettingsBuilder =
         AutoscalingPolicyServiceSettings.newBuilder();
     autoscalingPolicyServiceSettingsBuilder
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider.java
index 0373f3a6293c..2b057710afd0 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     BatchControllerSettings batchControllerSettings =
         BatchControllerSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider1.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
index 99b4414b88f2..459694d6a42e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     BatchControllerSettings batchControllerSettings =
         BatchControllerSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetEndpoint.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetEndpoint.java
index 0377155de181..1059c28186c4 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetEndpoint.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     BatchControllerSettings batchControllerSettings =
         BatchControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
     BatchControllerClient batchControllerClient =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatch.java
index 839fea7cdf71..38d10f86934e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatch.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       CreateBatchRequest request =
           CreateBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatchLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatchLRO.java
index 0f98a0aba7c6..5cd5f071d76a 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatchLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/AsyncCreateBatchLRO.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateBatchLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       CreateBatchRequest request =
           CreateBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatch.java
index 17e8e588734b..f46c59433ce5 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatch.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       CreateBatchRequest request =
           CreateBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchLocationnameBatchString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchLocationnameBatchString.java
index 508180fdfc18..c6e05597baf9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchLocationnameBatchString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchLocationnameBatchString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateBatchLocationnameBatchString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       Batch batch = Batch.newBuilder().build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchStringBatchString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchStringBatchString.java
index 2793e455db84..e4f4f2051883 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchStringBatchString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/createbatch/SyncCreateBatchStringBatchString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateBatchStringBatchString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       Batch batch = Batch.newBuilder().build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/AsyncDeleteBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/AsyncDeleteBatch.java
index cd0e119e5ef6..7fbeef350696 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/AsyncDeleteBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/AsyncDeleteBatch.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       DeleteBatchRequest request =
           DeleteBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatch.java
index 2917b430f781..ad4f86ab6187 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatch.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       DeleteBatchRequest request =
           DeleteBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchBatchname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchBatchname.java
index 05bc0eb6621e..6dac67136fdc 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchBatchname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchBatchname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteBatchBatchname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
       batchControllerClient.deleteBatch(name);
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchString.java
index 8c02f3cd7381..894deb0dcc6c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/deletebatch/SyncDeleteBatchString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteBatchString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       String name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]").toString();
       batchControllerClient.deleteBatch(name);
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/AsyncGetBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/AsyncGetBatch.java
index 5405d3a8534f..a4590f1ee0d2 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/AsyncGetBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/AsyncGetBatch.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       GetBatchRequest request =
           GetBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatch.java
index 26e423cb1979..64269a7a25e1 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatch.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       GetBatchRequest request =
           GetBatchRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchBatchname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchBatchname.java
index 5fe46c90b34a..beb75c0d4000 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchBatchname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchBatchname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetBatchBatchname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       BatchName name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]");
       Batch response = batchControllerClient.getBatch(name);
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchString.java
index a47944e4d199..2f7cbbf44cb6 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/getbatch/SyncGetBatchString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetBatchString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       String name = BatchName.of("[PROJECT]", "[LOCATION]", "[BATCH]").toString();
       Batch response = batchControllerClient.getBatch(name);
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatches.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatches.java
index ccb2e46eb6a2..132b745c3c25 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatches.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatches.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListBatches() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       ListBatchesRequest request =
           ListBatchesRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatchesPaged.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatchesPaged.java
index 06e83f3b6482..e57dd257663f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatchesPaged.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/AsyncListBatchesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListBatchesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       ListBatchesRequest request =
           ListBatchesRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatches.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatches.java
index b8f07cbf975a..ec73dc9dc406 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatches.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatches.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListBatches() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       ListBatchesRequest request =
           ListBatchesRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesLocationname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesLocationname.java
index b2824ecd987b..ea5f95c79c05 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesLocationname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesLocationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListBatchesLocationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       for (Batch element : batchControllerClient.listBatches(parent).iterateAll()) {
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesString.java
index c782960840ca..09b7a2cae383 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollerclient/listbatches/SyncListBatchesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListBatchesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (BatchControllerClient batchControllerClient = BatchControllerClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       for (Batch element : batchControllerClient.listBatches(parent).iterateAll()) {
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollersettings/getbatch/SyncGetBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollersettings/getbatch/SyncGetBatch.java
index 8dd2ff327f3a..215f14ea3388 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollersettings/getbatch/SyncGetBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/batchcontrollersettings/getbatch/SyncGetBatch.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     BatchControllerSettings.Builder batchControllerSettingsBuilder =
         BatchControllerSettings.newBuilder();
     batchControllerSettingsBuilder
         .getBatchSettings()
         .setRetrySettings(
-            batchControllerSettingsBuilder
-                .getBatchSettings()
-                .getRetrySettings()
-                .toBuilder()
+            batchControllerSettingsBuilder.getBatchSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     BatchControllerSettings batchControllerSettings = batchControllerSettingsBuilder.build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider.java
index e06714602a82..03a9b2c864d5 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     ClusterControllerSettings clusterControllerSettings =
         ClusterControllerSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider1.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider1.java
index 5fb0af6ae23a..bce4ec538f2c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     ClusterControllerSettings clusterControllerSettings =
         ClusterControllerSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetEndpoint.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetEndpoint.java
index fdf73a948e23..a7bb3572ce48 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetEndpoint.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     ClusterControllerSettings clusterControllerSettings =
         ClusterControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
     ClusterControllerClient clusterControllerClient =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateCluster.java
index 03bc07b84321..73ef3c067230 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateCluster.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       CreateClusterRequest request =
           CreateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateClusterLRO.java
index 9d82a33f3981..80080978c3d1 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/AsyncCreateClusterLRO.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       CreateClusterRequest request =
           CreateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateCluster.java
index 77d68833e5e0..f6539d10bd4b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       CreateClusterRequest request =
           CreateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateClusterStringStringCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateClusterStringStringCluster.java
index 57fc3d084bd9..f1f4cbcc997d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateClusterStringStringCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/createcluster/SyncCreateClusterStringStringCluster.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateClusterStringStringCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteCluster.java
index 6711e2356c76..3607e858d9d4 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DeleteClusterRequest request =
           DeleteClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteClusterLRO.java
index 02704096590d..60ad729d2434 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/AsyncDeleteClusterLRO.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DeleteClusterRequest request =
           DeleteClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteCluster.java
index b56f7168cf8a..a36a8e9b47f2 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteCluster.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DeleteClusterRequest request =
           DeleteClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteClusterStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteClusterStringStringString.java
index 1e98763da14f..7627ed7d7c17 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteClusterStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/deletecluster/SyncDeleteClusterStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteClusterStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseCluster.java
index 1da70de62ca0..61c6d98d50a4 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDiagnoseCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DiagnoseClusterRequest request =
           DiagnoseClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseClusterLRO.java
index 7d636db1588c..587ec060dc9e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/AsyncDiagnoseClusterLRO.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDiagnoseClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DiagnoseClusterRequest request =
           DiagnoseClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseCluster.java
index 20300a903bec..b4a471eb404e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseCluster.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDiagnoseCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       DiagnoseClusterRequest request =
           DiagnoseClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseClusterStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseClusterStringStringString.java
index faeb2316cddc..ad2cc77b1def 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseClusterStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/diagnosecluster/SyncDiagnoseClusterStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDiagnoseClusterStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/AsyncGetCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/AsyncGetCluster.java
index 2d38e4eb5a4f..3d22bb33d2c8 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/AsyncGetCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/AsyncGetCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       GetClusterRequest request =
           GetClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetCluster.java
index 28a3eafce36f..d8ad3563ac8f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetCluster.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       GetClusterRequest request =
           GetClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetClusterStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetClusterStringStringString.java
index bcc209a9891d..9e32532d574a 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetClusterStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/getcluster/SyncGetClusterStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetClusterStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClusters.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClusters.java
index ea1429e8b6e1..e01a5ea46c67 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClusters.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClusters.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListClusters() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       ListClustersRequest request =
           ListClustersRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClustersPaged.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClustersPaged.java
index ed2f2ee4df35..4aa54ed41034 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClustersPaged.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/AsyncListClustersPaged.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListClustersPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       ListClustersRequest request =
           ListClustersRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClusters.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClusters.java
index 169a399792c3..9d8daac48c87 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClusters.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClusters.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListClusters() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       ListClustersRequest request =
           ListClustersRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringString.java
index 0edd1e44fcb0..1f4ea8cc9598 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListClustersStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringStringString.java
index 304cf1337985..879cbc98114f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/listclusters/SyncListClustersStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListClustersStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartCluster.java
index 1a67986bd22e..cad0e58da0da 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncStartCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StartClusterRequest request =
           StartClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartClusterLRO.java
index af670b251cf2..d277871003cc 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/AsyncStartClusterLRO.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncStartClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StartClusterRequest request =
           StartClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/SyncStartCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/SyncStartCluster.java
index 3d52d1c99632..6432ccefec22 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/SyncStartCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/startcluster/SyncStartCluster.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncStartCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StartClusterRequest request =
           StartClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopCluster.java
index 126ffe30f3fb..8097b461ad60 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopCluster.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncStopCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StopClusterRequest request =
           StopClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopClusterLRO.java
index fdc31376b190..b612438b5d75 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/AsyncStopClusterLRO.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncStopClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StopClusterRequest request =
           StopClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/SyncStopCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/SyncStopCluster.java
index 108b7265bd4c..3d57330ba360 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/SyncStopCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/stopcluster/SyncStopCluster.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncStopCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       StopClusterRequest request =
           StopClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateCluster.java
index ed57bc594151..9bbb6292b7fc 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateCluster.java
@@ -32,8 +32,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       UpdateClusterRequest request =
           UpdateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateClusterLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateClusterLRO.java
index dca39c3f547a..43a018fc7fbb 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateClusterLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/AsyncUpdateClusterLRO.java
@@ -32,8 +32,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateClusterLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       UpdateClusterRequest request =
           UpdateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateCluster.java
index 3fa4c0644663..712a54c27604 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateCluster.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       UpdateClusterRequest request =
           UpdateClusterRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateClusterStringStringStringClusterFieldmask.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateClusterStringStringStringClusterFieldmask.java
index cceeaf22ad0f..ced977a17c46 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateClusterStringStringStringClusterFieldmask.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollerclient/updatecluster/SyncUpdateClusterStringStringStringClusterFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateClusterStringStringStringClusterFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollersettings/getcluster/SyncGetCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollersettings/getcluster/SyncGetCluster.java
index 796b86ee1955..f2b10742b770 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollersettings/getcluster/SyncGetCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/clustercontrollersettings/getcluster/SyncGetCluster.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     ClusterControllerSettings.Builder clusterControllerSettingsBuilder =
         ClusterControllerSettings.newBuilder();
     clusterControllerSettingsBuilder
         .getClusterSettings()
         .setRetrySettings(
-            clusterControllerSettingsBuilder
-                .getClusterSettings()
-                .getRetrySettings()
-                .toBuilder()
+            clusterControllerSettingsBuilder.getClusterSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     ClusterControllerSettings clusterControllerSettings = clusterControllerSettingsBuilder.build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/AsyncCancelJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/AsyncCancelJob.java
index e63d9946e28c..fc9cdc57bb77 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/AsyncCancelJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/AsyncCancelJob.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCancelJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       CancelJobRequest request =
           CancelJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJob.java
index 325abde7a160..e9830ec13f49 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJob.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCancelJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       CancelJobRequest request =
           CancelJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJobStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJobStringStringString.java
index 25db1d5b179e..3c91149c7186 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJobStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/canceljob/SyncCancelJobStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCancelJobStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider.java
index 76b8afcc8755..22eb7bb11342 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     JobControllerSettings jobControllerSettings =
         JobControllerSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider1.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
index 25e3519aab30..a6efe8d6177a 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     JobControllerSettings jobControllerSettings =
         JobControllerSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetEndpoint.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetEndpoint.java
index e1592969cca5..ae69fd15261d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetEndpoint.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     JobControllerSettings jobControllerSettings =
         JobControllerSettings.newBuilder().setEndpoint(myEndpoint).build();
     JobControllerClient jobControllerClient = JobControllerClient.create(jobControllerSettings);
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/AsyncDeleteJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/AsyncDeleteJob.java
index 5daa0298b5b4..e241b6f42b5f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/AsyncDeleteJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/AsyncDeleteJob.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       DeleteJobRequest request =
           DeleteJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJob.java
index 150a024f98b2..0a20d89c9ff8 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJob.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       DeleteJobRequest request =
           DeleteJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJobStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJobStringStringString.java
index b149238868ab..fa617990cb7f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJobStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/deletejob/SyncDeleteJobStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteJobStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/AsyncGetJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/AsyncGetJob.java
index 46c3dfb79f95..356e2fe24eda 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/AsyncGetJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/AsyncGetJob.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       GetJobRequest request =
           GetJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJob.java
index 9da587f6d07d..021464e17eb2 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJob.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       GetJobRequest request =
           GetJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJobStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJobStringStringString.java
index d7b2d64feb8b..deee5c1a0242 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJobStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/getjob/SyncGetJobStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetJobStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobs.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobs.java
index 54911a3e0d34..826dbd55c473 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobs.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobs.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListJobs() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       ListJobsRequest request =
           ListJobsRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobsPaged.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobsPaged.java
index 30faa05353de..8429398d510b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobsPaged.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/AsyncListJobsPaged.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListJobsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       ListJobsRequest request =
           ListJobsRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobs.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobs.java
index 91d707ceb435..7594cb3cfaa1 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobs.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobs.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListJobs() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       ListJobsRequest request =
           ListJobsRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringString.java
index f0ecd6c2dff5..8f83eff09519 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListJobsStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringStringString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringStringString.java
index a597c7afc93c..c252d1796001 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringStringString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/listjobs/SyncListJobsStringStringString.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListJobsStringStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/AsyncSubmitJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/AsyncSubmitJob.java
index 43d0c9f67f37..56253c50d938 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/AsyncSubmitJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/AsyncSubmitJob.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncSubmitJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       SubmitJobRequest request =
           SubmitJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJob.java
index 4af2efbe769d..173126ea3f1f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJob.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       SubmitJobRequest request =
           SubmitJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJobStringStringJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJobStringStringJob.java
index c64a0f4232f6..e31a038754c9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJobStringStringJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjob/SyncSubmitJobStringStringJob.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJobStringStringJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperation.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperation.java
index a00a67e42656..f3e0b2fb580a 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperation.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperation.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncSubmitJobAsOperation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       SubmitJobRequest request =
           SubmitJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperationLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperationLRO.java
index 18f8f52f75f6..eef0a8581e2b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperationLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/AsyncSubmitJobAsOperationLRO.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncSubmitJobAsOperationLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       SubmitJobRequest request =
           SubmitJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperation.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperation.java
index 8b7bd1a4c451..9d4f552b8f29 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperation.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperation.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJobAsOperation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       SubmitJobRequest request =
           SubmitJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperationStringStringJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperationStringStringJob.java
index 8a9a022d08d8..7cb37a53707c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperationStringStringJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/submitjobasoperation/SyncSubmitJobAsOperationStringStringJob.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJobAsOperationStringStringJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       String projectId = "projectId-894832108";
       String region = "region-934795532";
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/AsyncUpdateJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/AsyncUpdateJob.java
index c19716b008cd..ea47c817f24b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/AsyncUpdateJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/AsyncUpdateJob.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       UpdateJobRequest request =
           UpdateJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/SyncUpdateJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/SyncUpdateJob.java
index 9822c85ede31..da44260a5936 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/SyncUpdateJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollerclient/updatejob/SyncUpdateJob.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (JobControllerClient jobControllerClient = JobControllerClient.create()) {
       UpdateJobRequest request =
           UpdateJobRequest.newBuilder()
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollersettings/submitjob/SyncSubmitJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollersettings/submitjob/SyncSubmitJob.java
index ddeebe212fd3..5e5ccc316bce 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollersettings/submitjob/SyncSubmitJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/jobcontrollersettings/submitjob/SyncSubmitJob.java
@@ -27,16 +27,16 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     JobControllerSettings.Builder jobControllerSettingsBuilder = JobControllerSettings.newBuilder();
     jobControllerSettingsBuilder
         .submitJobSettings()
         .setRetrySettings(
-            jobControllerSettingsBuilder
-                .submitJobSettings()
-                .getRetrySettings()
-                .toBuilder()
+            jobControllerSettingsBuilder.submitJobSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     JobControllerSettings jobControllerSettings = jobControllerSettingsBuilder.build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/autoscalingpolicyservicestubsettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/autoscalingpolicyservicestubsettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
index 84d382588f20..bb760089c957 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/autoscalingpolicyservicestubsettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/autoscalingpolicyservicestubsettings/createautoscalingpolicy/SyncCreateAutoscalingPolicy.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateAutoscalingPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     AutoscalingPolicyServiceStubSettings.Builder autoscalingPolicyServiceSettingsBuilder =
         AutoscalingPolicyServiceStubSettings.newBuilder();
     autoscalingPolicyServiceSettingsBuilder
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/batchcontrollerstubsettings/getbatch/SyncGetBatch.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/batchcontrollerstubsettings/getbatch/SyncGetBatch.java
index 1871ca997b35..53a3558c3f02 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/batchcontrollerstubsettings/getbatch/SyncGetBatch.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/batchcontrollerstubsettings/getbatch/SyncGetBatch.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetBatch() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     BatchControllerStubSettings.Builder batchControllerSettingsBuilder =
         BatchControllerStubSettings.newBuilder();
     batchControllerSettingsBuilder
         .getBatchSettings()
         .setRetrySettings(
-            batchControllerSettingsBuilder
-                .getBatchSettings()
-                .getRetrySettings()
-                .toBuilder()
+            batchControllerSettingsBuilder.getBatchSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     BatchControllerStubSettings batchControllerSettings = batchControllerSettingsBuilder.build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/clustercontrollerstubsettings/getcluster/SyncGetCluster.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/clustercontrollerstubsettings/getcluster/SyncGetCluster.java
index 62e2cd8eb133..c5105059ae97 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/clustercontrollerstubsettings/getcluster/SyncGetCluster.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/clustercontrollerstubsettings/getcluster/SyncGetCluster.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetCluster() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     ClusterControllerStubSettings.Builder clusterControllerSettingsBuilder =
         ClusterControllerStubSettings.newBuilder();
     clusterControllerSettingsBuilder
         .getClusterSettings()
         .setRetrySettings(
-            clusterControllerSettingsBuilder
-                .getClusterSettings()
-                .getRetrySettings()
-                .toBuilder()
+            clusterControllerSettingsBuilder.getClusterSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     ClusterControllerStubSettings clusterControllerSettings =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/jobcontrollerstubsettings/submitjob/SyncSubmitJob.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/jobcontrollerstubsettings/submitjob/SyncSubmitJob.java
index 72479b320907..53fb99306c46 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/jobcontrollerstubsettings/submitjob/SyncSubmitJob.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/jobcontrollerstubsettings/submitjob/SyncSubmitJob.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSubmitJob() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     JobControllerStubSettings.Builder jobControllerSettingsBuilder =
         JobControllerStubSettings.newBuilder();
     jobControllerSettingsBuilder
         .submitJobSettings()
         .setRetrySettings(
-            jobControllerSettingsBuilder
-                .submitJobSettings()
-                .getRetrySettings()
-                .toBuilder()
+            jobControllerSettingsBuilder.submitJobSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     JobControllerStubSettings jobControllerSettings = jobControllerSettingsBuilder.build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/workflowtemplateservicestubsettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/workflowtemplateservicestubsettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
index ad713e860290..3471fd8f7686 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/workflowtemplateservicestubsettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/stub/workflowtemplateservicestubsettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     WorkflowTemplateServiceStubSettings.Builder workflowTemplateServiceSettingsBuilder =
         WorkflowTemplateServiceStubSettings.newBuilder();
     workflowTemplateServiceSettingsBuilder
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider.java
index 55958c39c593..754f1f863d9f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
         WorkflowTemplateServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider1.java
index e0bbbaf0f49d..ae334e36561f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
         WorkflowTemplateServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetEndpoint.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetEndpoint.java
index 4367186b904b..47cd3ba09a36 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     WorkflowTemplateServiceSettings workflowTemplateServiceSettings =
         WorkflowTemplateServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     WorkflowTemplateServiceClient workflowTemplateServiceClient =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/AsyncCreateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/AsyncCreateWorkflowTemplate.java
index 645e77411b86..964b8a637310 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/AsyncCreateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/AsyncCreateWorkflowTemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       CreateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplate.java
index 6b26666366ac..b2fe56e3c254 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplate.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       CreateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateLocationnameWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateLocationnameWorkflowtemplate.java
index 46316bb83b54..ea1a78df6b3d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateLocationnameWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateLocationnameWorkflowtemplate.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplateLocationnameWorkflowtemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateRegionnameWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateRegionnameWorkflowtemplate.java
index d94b034f204a..b87ea4e5b872 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateRegionnameWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateRegionnameWorkflowtemplate.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplateRegionnameWorkflowtemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateStringWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateStringWorkflowtemplate.java
index 9599406f99ed..c0be3faf39f4 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateStringWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/createworkflowtemplate/SyncCreateWorkflowTemplateStringWorkflowtemplate.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplateStringWorkflowtemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/AsyncDeleteWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/AsyncDeleteWorkflowTemplate.java
index 9df64c995f40..b8321ec49f96 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/AsyncDeleteWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/AsyncDeleteWorkflowTemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       DeleteWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplate.java
index a43b0f574003..c5fc0aa5a08f 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplate.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       DeleteWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateString.java
index b4829ea67d13..10084786d611 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteWorkflowTemplateString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateWorkflowtemplatename.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateWorkflowtemplatename.java
index 5e859046b606..b809010245f9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateWorkflowtemplatename.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/deleteworkflowtemplate/SyncDeleteWorkflowTemplateWorkflowtemplatename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteWorkflowTemplateWorkflowtemplatename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       WorkflowTemplateName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/AsyncGetWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/AsyncGetWorkflowTemplate.java
index 1f447d47c487..217de1fc51e9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/AsyncGetWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/AsyncGetWorkflowTemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       GetWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplate.java
index b71d233a7d96..e58e1462f4a9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplate.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       GetWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateString.java
index ef6e3294ec95..58057efbd67e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetWorkflowTemplateString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateWorkflowtemplatename.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateWorkflowtemplatename.java
index 48256068d3e5..72b38ae579ef 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateWorkflowtemplatename.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/getworkflowtemplate/SyncGetWorkflowTemplateWorkflowtemplatename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetWorkflowTemplateWorkflowtemplatename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       WorkflowTemplateName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplate.java
index 132e38f7a46a..abf86815aa20 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplate.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncInstantiateInlineWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateInlineWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplateLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplateLRO.java
index b486fc8ff61e..e03f8b8c4128 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplateLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/AsyncInstantiateInlineWorkflowTemplateLRO.java
@@ -32,8 +32,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncInstantiateInlineWorkflowTemplateLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateInlineWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplate.java
index a7c1f7a43280..b5c22ed1c164 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncInstantiateInlineWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateInlineWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateLocationnameWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateLocationnameWorkflowtemplate.java
index a77df730592a..e18ff625be87 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateLocationnameWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateLocationnameWorkflowtemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncInstantiateInlineWorkflowTemplateLocationnameWorkflowtemplate()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateRegionnameWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateRegionnameWorkflowtemplate.java
index 66bc4858ba5b..e6213b2872a9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateRegionnameWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateRegionnameWorkflowtemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncInstantiateInlineWorkflowTemplateRegionnameWorkflowtemplate()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateStringWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateStringWorkflowtemplate.java
index 611bcc2d1ae0..e6516ae349f0 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateStringWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateinlineworkflowtemplate/SyncInstantiateInlineWorkflowTemplateStringWorkflowtemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncInstantiateInlineWorkflowTemplateStringWorkflowtemplate()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplate.java
index 2a5f4ed15981..78e3bb552c0b 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplate.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncInstantiateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplateLRO.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplateLRO.java
index a5fd09a5d8ea..c06b53df1c0c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplateLRO.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/AsyncInstantiateWorkflowTemplateLRO.java
@@ -32,8 +32,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncInstantiateWorkflowTemplateLRO() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplate.java
index bf702bf2c1fa..15ade86188e7 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplate.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncInstantiateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       InstantiateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateString.java
index 55c193f4a2ff..821758e0f791 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncInstantiateWorkflowTemplateString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateStringMapstringstring.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateStringMapstringstring.java
index 9e46f781c19c..88d1052a792c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateStringMapstringstring.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateStringMapstringstring.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncInstantiateWorkflowTemplateStringMapstringstring() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatename.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatename.java
index 11d52b7a9d77..1d0b0654cab3 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatename.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncInstantiateWorkflowTemplateWorkflowtemplatename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       WorkflowTemplateName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatenameMapstringstring.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatenameMapstringstring.java
index a0381f9b320d..fd8d9b0037ee 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatenameMapstringstring.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/instantiateworkflowtemplate/SyncInstantiateWorkflowTemplateWorkflowtemplatenameMapstringstring.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncInstantiateWorkflowTemplateWorkflowtemplatenameMapstringstring()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       WorkflowTemplateName name =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplates.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplates.java
index 9cbc33d37bc5..41ce3319894c 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplates.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplates.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListWorkflowTemplates() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       ListWorkflowTemplatesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplatesPaged.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplatesPaged.java
index 601674e8f653..24a7701303b9 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplatesPaged.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/AsyncListWorkflowTemplatesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListWorkflowTemplatesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       ListWorkflowTemplatesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplates.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplates.java
index 870132454d4f..b848c49612c3 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplates.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplates.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListWorkflowTemplates() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       ListWorkflowTemplatesRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesLocationname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesLocationname.java
index ec3b01811f54..e66ff8514d8e 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesLocationname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesLocationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListWorkflowTemplatesLocationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesRegionname.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesRegionname.java
index 1a22892b4d66..876481424fca 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesRegionname.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesRegionname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListWorkflowTemplatesRegionname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesString.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesString.java
index 5104956a51bb..e71da5a202a5 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesString.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/listworkflowtemplates/SyncListWorkflowTemplatesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListWorkflowTemplatesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       String parent = RegionName.of("[PROJECT]", "[REGION]").toString();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/AsyncUpdateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/AsyncUpdateWorkflowTemplate.java
index 519415e64418..2a598bcfdc8d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/AsyncUpdateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/AsyncUpdateWorkflowTemplate.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       UpdateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplate.java
index fbea63d2e3fd..5dfbf6759df8 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplate.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       UpdateWorkflowTemplateRequest request =
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplateWorkflowtemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplateWorkflowtemplate.java
index 2a8badde3a4d..73ca1be0a56d 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplateWorkflowtemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateserviceclient/updateworkflowtemplate/SyncUpdateWorkflowTemplateWorkflowtemplate.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateWorkflowTemplateWorkflowtemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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 (WorkflowTemplateServiceClient workflowTemplateServiceClient =
         WorkflowTemplateServiceClient.create()) {
       WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
diff --git a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateservicesettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateservicesettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
index cf63ba119b9f..f7f7fec3cfff 100644
--- a/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateservicesettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
+++ b/java-dataproc/samples/snippets/generated/com/google/cloud/dataproc/v1/workflowtemplateservicesettings/createworkflowtemplate/SyncCreateWorkflowTemplate.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateWorkflowTemplate() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // 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
     WorkflowTemplateServiceSettings.Builder workflowTemplateServiceSettingsBuilder =
         WorkflowTemplateServiceSettings.newBuilder();
     workflowTemplateServiceSettingsBuilder