pFad - Phonifier reborn

diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml index de9173d9..62592923 100644 --- a/.github/.OwlBot.lock.yaml +++ b/.github/.OwlBot.lock.yaml @@ -13,5 +13,4 @@ # limitations under the License. docker: image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest - digest: sha256:d4b80feffe1579818cdc39466152e9de95789a193408506cd4a1ffbe8804dc00 -# created: 2022-07-13T13:53:17.676447481Z + digest: sha256:8175681a918181d306d9c370d3262f16b4c724cc73d74111b7d42fc985ca7f93 diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index 30fdb7b9..db2d8ad1 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -8,3 +8,6 @@ # The java-samples-reviewers team is the default owner for samples changes samples/**/*.java @googleapis/java-samples-reviewers + +# Generated snippets should not be owned by samples reviewers +samples/snippets/generated/ @googleapis/yoshi-java diff --git a/CHANGELOG.md b/CHANGELOG.md index 0d3dd0c7..99cfc9fc 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,18 @@ # Changelog +## [1.2.0](https://github.com/googleapis/java-datastream/compare/v1.1.1...v1.2.0) (2022-09-15) + + +### Features + +* Added support for BigQuery destination and PostgreSQL source types ([#198](https://github.com/googleapis/java-datastream/issues/198)) ([3209237](https://github.com/googleapis/java-datastream/commit/3209237dd8bcccd90eb4dde85fae59c9101e7676)) + + +### Dependencies + +* Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.0.2 ([#201](https://github.com/googleapis/java-datastream/issues/201)) ([5c7e4a4](https://github.com/googleapis/java-datastream/commit/5c7e4a4e5f3fd72cd45f981d212d872f1311a73e)) +* Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.0.3 ([#203](https://github.com/googleapis/java-datastream/issues/203)) ([b94f647](https://github.com/googleapis/java-datastream/commit/b94f647c57837d6bc5b9e37f3aa51561e2ee1d3f)) + ## [1.1.1](https://github.com/googleapis/java-datastream/compare/v1.1.0...v1.1.1) (2022-07-19) diff --git a/README.md b/README.md index d3effb87..4b13a5e4 100644 --- a/README.md +++ b/README.md @@ -19,7 +19,7 @@ If you are using Maven, add this to your pom.xml file: com.google.cloud google-cloud-datastream - 1.1.0 + 1.1.1 ``` @@ -27,13 +27,13 @@ If you are using Maven, add this to your pom.xml file: If you are using Gradle without BOM, add this to your dependencies: ```Groovy -implementation 'com.google.cloud:google-cloud-datastream:1.1.0' +implementation 'com.google.cloud:google-cloud-datastream:1.1.1' ``` If you are using SBT, add this to your dependencies: ```Scala -libraryDependencies += "com.google.cloud" % "google-cloud-datastream" % "1.1.0" +libraryDependencies += "com.google.cloud" % "google-cloud-datastream" % "1.1.1" ``` ## Authentication diff --git a/google-cloud-datastream-bom/pom.xml b/google-cloud-datastream-bom/pom.xml index 0407e325..04ba487e 100644 --- a/google-cloud-datastream-bom/pom.xml +++ b/google-cloud-datastream-bom/pom.xml @@ -3,7 +3,7 @@ 4.0.0 com.google.cloud google-cloud-datastream-bom - 1.1.1 + 1.2.0 pom com.google.cloud @@ -56,27 +56,27 @@ com.google.cloud google-cloud-datastream - 1.1.1 + 1.2.0 com.google.api.grpc grpc-google-cloud-datastream-v1alpha1 - 0.6.1 + 0.7.0 com.google.api.grpc grpc-google-cloud-datastream-v1 - 1.1.1 + 1.2.0 com.google.api.grpc proto-google-cloud-datastream-v1alpha1 - 0.6.1 + 0.7.0 com.google.api.grpc proto-google-cloud-datastream-v1 - 1.1.1 + 1.2.0 diff --git a/google-cloud-datastream/pom.xml b/google-cloud-datastream/pom.xml index 021c09a4..34da3be0 100644 --- a/google-cloud-datastream/pom.xml +++ b/google-cloud-datastream/pom.xml @@ -3,7 +3,7 @@ 4.0.0 com.google.cloud google-cloud-datastream - 1.1.1 + 1.2.0 jar Google Datastream https://github.com/googleapis/java-datastream @@ -11,7 +11,7 @@ com.google.cloud google-cloud-datastream-parent - 1.1.1 + 1.2.0 google-cloud-datastream @@ -111,6 +111,11 @@ testlib test + + com.google.api.grpc + grpc-google-iam-v1 + test + diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamClient.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamClient.java index d4b891db..68cc891e 100644 --- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamClient.java +++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamClient.java @@ -51,8 +51,11 @@ * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
  *   ConnectionProfileName name =
  *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -89,8 +92,11 @@
  * 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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.newBuilder().setEndpoint(myEndpoint).build();
  * DatastreamClient datastreamClient = DatastreamClient.create(datastreamSettings);
@@ -112,8 +121,11 @@
  * 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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (ConnectionProfile element :
@@ -233,8 +248,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(Location
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (ConnectionProfile element :
@@ -260,8 +278,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(String p
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -293,8 +314,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -325,8 +349,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -364,8 +391,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfileName name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -391,8 +421,11 @@ public final ConnectionProfile getConnectionProfile(ConnectionProfileName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]").toString();
@@ -416,8 +449,11 @@ public final ConnectionProfile getConnectionProfile(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetConnectionProfileRequest request =
    *       GetConnectionProfileRequest.newBuilder()
@@ -443,8 +479,11 @@ public final ConnectionProfile getConnectionProfile(GetConnectionProfileRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetConnectionProfileRequest request =
    *       GetConnectionProfileRequest.newBuilder()
@@ -471,8 +510,11 @@ public final ConnectionProfile getConnectionProfile(GetConnectionProfileRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
@@ -507,8 +549,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
@@ -543,8 +588,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -574,8 +622,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -606,8 +657,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -637,8 +691,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -671,8 +728,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -701,8 +761,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -732,8 +795,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -762,8 +828,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfileName name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -790,8 +859,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]").toString();
@@ -815,8 +887,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -844,8 +919,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -873,8 +951,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -904,8 +985,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DiscoverConnectionProfileRequest request =
    *       DiscoverConnectionProfileRequest.newBuilder()
@@ -933,8 +1017,11 @@ public final DiscoverConnectionProfileResponse discoverConnectionProfile(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DiscoverConnectionProfileRequest request =
    *       DiscoverConnectionProfileRequest.newBuilder()
@@ -959,8 +1046,11 @@ public final DiscoverConnectionProfileResponse discoverConnectionProfile(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Stream element : datastreamClient.listStreams(parent).iterateAll()) {
@@ -987,8 +1077,11 @@ public final ListStreamsPagedResponse listStreams(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Stream element : datastreamClient.listStreams(parent).iterateAll()) {
@@ -1012,8 +1105,11 @@ public final ListStreamsPagedResponse listStreams(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1043,8 +1139,11 @@ public final ListStreamsPagedResponse listStreams(ListStreamsRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1074,8 +1173,11 @@ public final ListStreamsPagedResponse listStreams(ListStreamsRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1111,8 +1213,11 @@ public final UnaryCallable listStreamsC
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamName name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]");
    *   Stream response = datastreamClient.getStream(name);
@@ -1135,8 +1240,11 @@ public final Stream getStream(StreamName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]").toString();
    *   Stream response = datastreamClient.getStream(name);
@@ -1158,8 +1266,11 @@ public final Stream getStream(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamRequest request =
    *       GetStreamRequest.newBuilder()
@@ -1183,8 +1294,11 @@ public final Stream getStream(GetStreamRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamRequest request =
    *       GetStreamRequest.newBuilder()
@@ -1207,8 +1321,11 @@ public final UnaryCallable getStreamCallable() {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Stream stream = Stream.newBuilder().build();
@@ -1240,8 +1357,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Stream stream = Stream.newBuilder().build();
@@ -1273,8 +1393,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1304,8 +1427,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1335,8 +1461,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1364,8 +1493,11 @@ public final UnaryCallable createStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   Stream stream = Stream.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1394,8 +1526,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1424,8 +1559,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1454,8 +1592,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1482,8 +1623,11 @@ public final UnaryCallable updateStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamName name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]");
    *   datastreamClient.deleteStreamAsync(name).get();
@@ -1506,8 +1650,11 @@ public final OperationFuture deleteStreamAsync(StreamN
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]").toString();
    *   datastreamClient.deleteStreamAsync(name).get();
@@ -1529,8 +1676,11 @@ public final OperationFuture deleteStreamAsync(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1556,8 +1706,11 @@ public final OperationFuture deleteStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1583,8 +1736,11 @@ public final OperationFuture deleteStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1608,8 +1764,11 @@ public final UnaryCallable deleteStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamObjectName name =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]");
@@ -1633,8 +1792,11 @@ public final StreamObject getStreamObject(StreamObjectName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]").toString();
@@ -1657,8 +1819,11 @@ public final StreamObject getStreamObject(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamObjectRequest request =
    *       GetStreamObjectRequest.newBuilder()
@@ -1683,8 +1848,11 @@ public final StreamObject getStreamObject(GetStreamObjectRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamObjectRequest request =
    *       GetStreamObjectRequest.newBuilder()
@@ -1709,8 +1877,11 @@ public final UnaryCallable getStreamObject
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LookupStreamObjectRequest request =
    *       LookupStreamObjectRequest.newBuilder()
@@ -1735,8 +1906,11 @@ public final StreamObject lookupStreamObject(LookupStreamObjectRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LookupStreamObjectRequest request =
    *       LookupStreamObjectRequest.newBuilder()
@@ -1761,8 +1935,11 @@ public final UnaryCallable lookupStream
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamName parent = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]");
    *   for (StreamObject element : datastreamClient.listStreamObjects(parent).iterateAll()) {
@@ -1789,8 +1966,11 @@ public final ListStreamObjectsPagedResponse listStreamObjects(StreamName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]").toString();
    *   for (StreamObject element : datastreamClient.listStreamObjects(parent).iterateAll()) {
@@ -1815,8 +1995,11 @@ public final ListStreamObjectsPagedResponse listStreamObjects(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamObjectsRequest request =
    *       ListStreamObjectsRequest.newBuilder()
@@ -1844,8 +2027,11 @@ public final ListStreamObjectsPagedResponse listStreamObjects(ListStreamObjectsR
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamObjectsRequest request =
    *       ListStreamObjectsRequest.newBuilder()
@@ -1874,8 +2060,11 @@ public final ListStreamObjectsPagedResponse listStreamObjects(ListStreamObjectsR
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamObjectsRequest request =
    *       ListStreamObjectsRequest.newBuilder()
@@ -1911,8 +2100,11 @@ public final ListStreamObjectsPagedResponse listStreamObjects(ListStreamObjectsR
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamObjectName object =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]");
@@ -1938,8 +2130,11 @@ public final StartBackfillJobResponse startBackfillJob(StreamObjectName object)
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String object =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]").toString();
@@ -1963,8 +2158,11 @@ public final StartBackfillJobResponse startBackfillJob(String object) {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StartBackfillJobRequest request =
    *       StartBackfillJobRequest.newBuilder()
@@ -1989,8 +2187,11 @@ public final StartBackfillJobResponse startBackfillJob(StartBackfillJobRequest r
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StartBackfillJobRequest request =
    *       StartBackfillJobRequest.newBuilder()
@@ -2016,8 +2217,11 @@ public final StartBackfillJobResponse startBackfillJob(StartBackfillJobRequest r
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamObjectName object =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]");
@@ -2043,8 +2247,11 @@ public final StopBackfillJobResponse stopBackfillJob(StreamObjectName object) {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String object =
    *       StreamObjectName.of("[PROJECT]", "[LOCATION]", "[STREAM]", "[OBJECT]").toString();
@@ -2067,8 +2274,11 @@ public final StopBackfillJobResponse stopBackfillJob(String object) {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StopBackfillJobRequest request =
    *       StopBackfillJobRequest.newBuilder()
@@ -2093,8 +2303,11 @@ public final StopBackfillJobResponse stopBackfillJob(StopBackfillJobRequest requ
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StopBackfillJobRequest request =
    *       StopBackfillJobRequest.newBuilder()
@@ -2120,8 +2333,11 @@ public final StopBackfillJobResponse stopBackfillJob(StopBackfillJobRequest requ
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName name = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (String element : datastreamClient.fetchStaticIps(name).iterateAll()) {
@@ -2147,8 +2363,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(LocationName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (String element : datastreamClient.fetchStaticIps(name).iterateAll()) {
@@ -2173,8 +2392,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -2202,8 +2424,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -2231,8 +2456,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -2267,8 +2495,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   PrivateConnection privateConnection = PrivateConnection.newBuilder().build();
@@ -2303,8 +2534,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   PrivateConnection privateConnection = PrivateConnection.newBuilder().build();
@@ -2339,8 +2573,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -2368,8 +2605,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -2398,8 +2638,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -2427,8 +2670,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2454,8 +2700,11 @@ public final PrivateConnection getPrivateConnection(PrivateConnectionName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2479,8 +2728,11 @@ public final PrivateConnection getPrivateConnection(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetPrivateConnectionRequest request =
    *       GetPrivateConnectionRequest.newBuilder()
@@ -2506,8 +2758,11 @@ public final PrivateConnection getPrivateConnection(GetPrivateConnectionRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetPrivateConnectionRequest request =
    *       GetPrivateConnectionRequest.newBuilder()
@@ -2534,8 +2789,11 @@ public final PrivateConnection getPrivateConnection(GetPrivateConnectionRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (PrivateConnection element :
@@ -2564,8 +2822,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(Location
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (PrivateConnection element :
@@ -2592,8 +2853,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(String p
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2625,8 +2889,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2657,8 +2924,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2696,8 +2966,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2724,8 +2997,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2749,8 +3025,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2779,8 +3058,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2809,8 +3091,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2840,8 +3125,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2875,8 +3163,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2910,8 +3201,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -2942,8 +3236,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -2974,8 +3271,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -3003,8 +3303,11 @@ public final UnaryCallable createRouteCallable()
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   RouteName name = RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]");
    *   Route response = datastreamClient.getRoute(name);
@@ -3027,8 +3330,11 @@ public final Route getRoute(RouteName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]").toString();
@@ -3051,8 +3357,11 @@ public final Route getRoute(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetRouteRequest request =
    *       GetRouteRequest.newBuilder()
@@ -3078,8 +3387,11 @@ public final Route getRoute(GetRouteRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetRouteRequest request =
    *       GetRouteRequest.newBuilder()
@@ -3105,8 +3417,11 @@ public final UnaryCallable getRouteCallable() {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -3133,8 +3448,11 @@ public final ListRoutesPagedResponse listRoutes(PrivateConnectionName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -3160,8 +3478,11 @@ public final ListRoutesPagedResponse listRoutes(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -3194,8 +3515,11 @@ public final ListRoutesPagedResponse listRoutes(ListRoutesRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -3227,8 +3551,11 @@ public final UnaryCallable listRoute
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -3266,8 +3593,11 @@ public final UnaryCallable listRoutesCall
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   RouteName name = RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]");
    *   datastreamClient.deleteRouteAsync(name).get();
@@ -3290,8 +3620,11 @@ public final OperationFuture deleteRouteAsync(RouteNam
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]").toString();
@@ -3314,8 +3647,11 @@ public final OperationFuture deleteRouteAsync(String n
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
@@ -3343,8 +3679,11 @@ public final OperationFuture deleteRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
@@ -3372,8 +3711,11 @@ public final OperationFuture deleteRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
@@ -3399,8 +3741,11 @@ public final UnaryCallable deleteRouteCallable()
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListLocationsRequest request =
    *       ListLocationsRequest.newBuilder()
@@ -3429,8 +3774,11 @@ public final ListLocationsPagedResponse listLocations(ListLocationsRequest reque
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListLocationsRequest request =
    *       ListLocationsRequest.newBuilder()
@@ -3460,8 +3808,11 @@ public final ListLocationsPagedResponse listLocations(ListLocationsRequest reque
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListLocationsRequest request =
    *       ListLocationsRequest.newBuilder()
@@ -3496,8 +3847,11 @@ public final UnaryCallable listLoca
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
    *   Location response = datastreamClient.getLocation(request);
@@ -3518,8 +3872,11 @@ public final Location getLocation(GetLocationRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
    *   ApiFuture future = datastreamClient.getLocationCallable().futureCall(request);
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamSettings.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamSettings.java
index c300817a..0b4d308a 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamSettings.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/DatastreamSettings.java
@@ -66,16 +66,16 @@
  * For example, to set the total timeout of getConnectionProfile 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
  * DatastreamSettings.Builder datastreamSettingsBuilder = DatastreamSettings.newBuilder();
  * datastreamSettingsBuilder
  *     .getConnectionProfileSettings()
  *     .setRetrySettings(
- *         datastreamSettingsBuilder
- *             .getConnectionProfileSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         datastreamSettingsBuilder.getConnectionProfileSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * DatastreamSettings datastreamSettings = datastreamSettingsBuilder.build();
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/package-info.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/package-info.java
index 1b40c70d..8bf773b8 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/package-info.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/package-info.java
@@ -26,8 +26,11 @@
  * Sample for DatastreamClient:
  *
  * 
{@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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
  *   ConnectionProfileName name =
  *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/DatastreamStubSettings.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/DatastreamStubSettings.java
index 6114d9a9..437d0e03 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/DatastreamStubSettings.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/DatastreamStubSettings.java
@@ -126,16 +126,16 @@
  * For example, to set the total timeout of getConnectionProfile 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
  * DatastreamStubSettings.Builder datastreamSettingsBuilder = DatastreamStubSettings.newBuilder();
  * datastreamSettingsBuilder
  *     .getConnectionProfileSettings()
  *     .setRetrySettings(
- *         datastreamSettingsBuilder
- *             .getConnectionProfileSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         datastreamSettingsBuilder.getConnectionProfileSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * DatastreamStubSettings datastreamSettings = datastreamSettingsBuilder.build();
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/HttpJsonDatastreamStub.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/HttpJsonDatastreamStub.java
index 93b28d2e..83d5e6de 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/HttpJsonDatastreamStub.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1/stub/HttpJsonDatastreamStub.java
@@ -218,7 +218,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("connectionProfile", request.getConnectionProfile()))
+                                  .toBody(
+                                      "connectionProfile", request.getConnectionProfile(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -265,7 +266,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("connectionProfile", request.getConnectionProfile()))
+                                  .toBody(
+                                      "connectionProfile", request.getConnectionProfile(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -343,7 +345,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearParent().build()))
+                                  .toBody("*", request.toBuilder().clearParent().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -452,7 +454,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("stream", request.getStream()))
+                              ProtoRestSerializer.create()
+                                  .toBody("stream", request.getStream(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -496,7 +499,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("stream", request.getStream()))
+                              ProtoRestSerializer.create()
+                                  .toBody("stream", request.getStream(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -605,7 +609,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearParent().build()))
+                                  .toBody("*", request.toBuilder().clearParent().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -676,7 +680,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearObject().build()))
+                                  .toBody("*", request.toBuilder().clearObject().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -712,7 +716,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearObject().build()))
+                                  .toBody("*", request.toBuilder().clearObject().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -786,7 +790,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("privateConnection", request.getPrivateConnection()))
+                                  .toBody(
+                                      "privateConnection", request.getPrivateConnection(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -936,7 +941,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("route", request.getRoute()))
+                              ProtoRestSerializer.create()
+                                  .toBody("route", request.getRoute(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamClient.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamClient.java
index 2a9f640b..c7e51dcf 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamClient.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamClient.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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
  *   ConnectionProfileName name =
  *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.newBuilder().setEndpoint(myEndpoint).build();
  * DatastreamClient datastreamClient = DatastreamClient.create(datastreamSettings);
@@ -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
  * DatastreamSettings datastreamSettings =
  *     DatastreamSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -201,8 +213,11 @@ 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (ConnectionProfile element :
@@ -230,8 +245,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(Location
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (ConnectionProfile element :
@@ -257,8 +275,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(String p
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -290,8 +311,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -322,8 +346,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListConnectionProfilesRequest request =
    *       ListConnectionProfilesRequest.newBuilder()
@@ -361,8 +388,11 @@ public final ListConnectionProfilesPagedResponse listConnectionProfiles(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfileName name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -388,8 +418,11 @@ public final ConnectionProfile getConnectionProfile(ConnectionProfileName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]").toString();
@@ -413,8 +446,11 @@ public final ConnectionProfile getConnectionProfile(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetConnectionProfileRequest request =
    *       GetConnectionProfileRequest.newBuilder()
@@ -440,8 +476,11 @@ public final ConnectionProfile getConnectionProfile(GetConnectionProfileRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetConnectionProfileRequest request =
    *       GetConnectionProfileRequest.newBuilder()
@@ -468,8 +507,11 @@ public final ConnectionProfile getConnectionProfile(GetConnectionProfileRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
@@ -504,8 +546,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
@@ -540,8 +585,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -569,8 +617,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -599,8 +650,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateConnectionProfileRequest request =
    *       CreateConnectionProfileRequest.newBuilder()
@@ -628,8 +682,11 @@ public final OperationFuture createConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfile connectionProfile = ConnectionProfile.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -662,8 +719,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -690,8 +750,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -719,8 +782,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateConnectionProfileRequest request =
    *       UpdateConnectionProfileRequest.newBuilder()
@@ -747,8 +813,11 @@ public final OperationFuture updateConnect
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ConnectionProfileName name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
@@ -775,8 +844,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]").toString();
@@ -800,8 +872,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -829,8 +904,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -858,8 +936,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteConnectionProfileRequest request =
    *       DeleteConnectionProfileRequest.newBuilder()
@@ -889,8 +970,11 @@ public final OperationFuture deleteConnectionProfileAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DiscoverConnectionProfileRequest request =
    *       DiscoverConnectionProfileRequest.newBuilder()
@@ -918,8 +1002,11 @@ public final DiscoverConnectionProfileResponse discoverConnectionProfile(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DiscoverConnectionProfileRequest request =
    *       DiscoverConnectionProfileRequest.newBuilder()
@@ -944,8 +1031,11 @@ public final DiscoverConnectionProfileResponse discoverConnectionProfile(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Stream element : datastreamClient.listStreams(parent).iterateAll()) {
@@ -972,8 +1062,11 @@ public final ListStreamsPagedResponse listStreams(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Stream element : datastreamClient.listStreams(parent).iterateAll()) {
@@ -997,8 +1090,11 @@ public final ListStreamsPagedResponse listStreams(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1028,8 +1124,11 @@ public final ListStreamsPagedResponse listStreams(ListStreamsRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1059,8 +1158,11 @@ public final ListStreamsPagedResponse listStreams(ListStreamsRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListStreamsRequest request =
    *       ListStreamsRequest.newBuilder()
@@ -1096,8 +1198,11 @@ public final UnaryCallable listStreamsC
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamName name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]");
    *   Stream response = datastreamClient.getStream(name);
@@ -1120,8 +1225,11 @@ public final Stream getStream(StreamName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]").toString();
    *   Stream response = datastreamClient.getStream(name);
@@ -1143,8 +1251,11 @@ public final Stream getStream(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamRequest request =
    *       GetStreamRequest.newBuilder()
@@ -1168,8 +1279,11 @@ public final Stream getStream(GetStreamRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetStreamRequest request =
    *       GetStreamRequest.newBuilder()
@@ -1192,8 +1306,11 @@ public final UnaryCallable getStreamCallable() {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Stream stream = Stream.newBuilder().build();
@@ -1225,8 +1342,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Stream stream = Stream.newBuilder().build();
@@ -1258,8 +1378,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1289,8 +1412,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1320,8 +1446,11 @@ public final OperationFuture createStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateStreamRequest request =
    *       CreateStreamRequest.newBuilder()
@@ -1349,8 +1478,11 @@ public final UnaryCallable createStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   Stream stream = Stream.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1379,8 +1511,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1409,8 +1544,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1439,8 +1577,11 @@ public final OperationFuture updateStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   UpdateStreamRequest request =
    *       UpdateStreamRequest.newBuilder()
@@ -1467,8 +1608,11 @@ public final UnaryCallable updateStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   StreamName name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]");
    *   datastreamClient.deleteStreamAsync(name).get();
@@ -1491,8 +1635,11 @@ public final OperationFuture deleteStreamAsync(StreamN
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = StreamName.of("[PROJECT]", "[LOCATION]", "[STREAM]").toString();
    *   datastreamClient.deleteStreamAsync(name).get();
@@ -1514,8 +1661,11 @@ public final OperationFuture deleteStreamAsync(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1541,8 +1691,11 @@ public final OperationFuture deleteStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1568,8 +1721,11 @@ public final OperationFuture deleteStreamAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteStreamRequest request =
    *       DeleteStreamRequest.newBuilder()
@@ -1593,8 +1749,11 @@ public final UnaryCallable deleteStreamCallable(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchErrorsRequest request =
    *       FetchErrorsRequest.newBuilder()
@@ -1619,8 +1778,11 @@ public final OperationFuture fetchErrors
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchErrorsRequest request =
    *       FetchErrorsRequest.newBuilder()
@@ -1645,8 +1807,11 @@ public final OperationFuture fetchErrors
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchErrorsRequest request =
    *       FetchErrorsRequest.newBuilder()
@@ -1671,8 +1836,11 @@ public final UnaryCallable fetchErrorsCallable()
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName name = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (String element : datastreamClient.fetchStaticIps(name).iterateAll()) {
@@ -1700,8 +1868,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(LocationName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (String element : datastreamClient.fetchStaticIps(name).iterateAll()) {
@@ -1728,8 +1899,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -1759,8 +1933,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -1790,8 +1967,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   FetchStaticIpsRequest request =
    *       FetchStaticIpsRequest.newBuilder()
@@ -1826,8 +2006,11 @@ public final FetchStaticIpsPagedResponse fetchStaticIps(FetchStaticIpsRequest re
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   PrivateConnection privateConnection = PrivateConnection.newBuilder().build();
@@ -1862,8 +2045,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   PrivateConnection privateConnection = PrivateConnection.newBuilder().build();
@@ -1898,8 +2084,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -1927,8 +2116,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -1957,8 +2149,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreatePrivateConnectionRequest request =
    *       CreatePrivateConnectionRequest.newBuilder()
@@ -1986,8 +2181,11 @@ public final OperationFuture createPrivate
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2013,8 +2211,11 @@ public final PrivateConnection getPrivateConnection(PrivateConnectionName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2038,8 +2239,11 @@ public final PrivateConnection getPrivateConnection(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetPrivateConnectionRequest request =
    *       GetPrivateConnectionRequest.newBuilder()
@@ -2065,8 +2269,11 @@ public final PrivateConnection getPrivateConnection(GetPrivateConnectionRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetPrivateConnectionRequest request =
    *       GetPrivateConnectionRequest.newBuilder()
@@ -2093,8 +2300,11 @@ public final PrivateConnection getPrivateConnection(GetPrivateConnectionRequest
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (PrivateConnection element :
@@ -2123,8 +2333,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(Location
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (PrivateConnection element :
@@ -2151,8 +2364,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(String p
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2184,8 +2400,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2216,8 +2435,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListPrivateConnectionsRequest request =
    *       ListPrivateConnectionsRequest.newBuilder()
@@ -2255,8 +2477,11 @@ public final ListPrivateConnectionsPagedResponse listPrivateConnections(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2283,8 +2508,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2308,8 +2536,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2338,8 +2569,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2368,8 +2602,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeletePrivateConnectionRequest request =
    *       DeletePrivateConnectionRequest.newBuilder()
@@ -2398,8 +2635,11 @@ public final OperationFuture deletePrivateConnectionAs
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2432,8 +2672,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2466,8 +2709,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -2497,8 +2743,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -2528,8 +2777,11 @@ public final OperationFuture createRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   CreateRouteRequest request =
    *       CreateRouteRequest.newBuilder()
@@ -2557,8 +2809,11 @@ public final UnaryCallable createRouteCallable()
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   RouteName name = RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]");
    *   Route response = datastreamClient.getRoute(name);
@@ -2581,8 +2836,11 @@ public final Route getRoute(RouteName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]").toString();
@@ -2605,8 +2863,11 @@ public final Route getRoute(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetRouteRequest request =
    *       GetRouteRequest.newBuilder()
@@ -2632,8 +2893,11 @@ public final Route getRoute(GetRouteRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   GetRouteRequest request =
    *       GetRouteRequest.newBuilder()
@@ -2658,8 +2922,11 @@ public final UnaryCallable getRouteCallable() {
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   PrivateConnectionName parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]");
@@ -2685,8 +2952,11 @@ public final ListRoutesPagedResponse listRoutes(PrivateConnectionName 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String parent =
    *       PrivateConnectionName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]").toString();
@@ -2711,8 +2981,11 @@ public final ListRoutesPagedResponse listRoutes(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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -2744,8 +3017,11 @@ public final ListRoutesPagedResponse listRoutes(ListRoutesRequest 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -2776,8 +3052,11 @@ public final UnaryCallable listRoute
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   ListRoutesRequest request =
    *       ListRoutesRequest.newBuilder()
@@ -2815,8 +3094,11 @@ public final UnaryCallable listRoutesCall
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   RouteName name = RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]");
    *   datastreamClient.deleteRouteAsync(name).get();
@@ -2839,8 +3121,11 @@ public final OperationFuture deleteRouteAsync(RouteNam
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   String name =
    *       RouteName.of("[PROJECT]", "[LOCATION]", "[PRIVATE_CONNECTION]", "[ROUTE]").toString();
@@ -2863,8 +3148,11 @@ public final OperationFuture deleteRouteAsync(String n
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
@@ -2892,8 +3180,11 @@ public final OperationFuture deleteRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
@@ -2921,8 +3212,11 @@ public final OperationFuture deleteRouteAsync(
    * 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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
    *   DeleteRouteRequest request =
    *       DeleteRouteRequest.newBuilder()
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamSettings.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamSettings.java
index bd0a8f98..0e0150e2 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamSettings.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/DatastreamSettings.java
@@ -60,16 +60,16 @@
  * For example, to set the total timeout of getConnectionProfile 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
  * DatastreamSettings.Builder datastreamSettingsBuilder = DatastreamSettings.newBuilder();
  * datastreamSettingsBuilder
  *     .getConnectionProfileSettings()
  *     .setRetrySettings(
- *         datastreamSettingsBuilder
- *             .getConnectionProfileSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         datastreamSettingsBuilder.getConnectionProfileSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * DatastreamSettings datastreamSettings = datastreamSettingsBuilder.build();
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/package-info.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/package-info.java
index b513b3c1..edc6a677 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/package-info.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/package-info.java
@@ -24,8 +24,11 @@
  * Sample for DatastreamClient:
  *
  * 
{@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 (DatastreamClient datastreamClient = DatastreamClient.create()) {
  *   ConnectionProfileName name =
  *       ConnectionProfileName.of("[PROJECT]", "[LOCATION]", "[CONNECTION_PROFILE]");
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/DatastreamStubSettings.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/DatastreamStubSettings.java
index 09435df8..6c94e47e 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/DatastreamStubSettings.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/DatastreamStubSettings.java
@@ -113,16 +113,16 @@
  * For example, to set the total timeout of getConnectionProfile 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
  * DatastreamStubSettings.Builder datastreamSettingsBuilder = DatastreamStubSettings.newBuilder();
  * datastreamSettingsBuilder
  *     .getConnectionProfileSettings()
  *     .setRetrySettings(
- *         datastreamSettingsBuilder
- *             .getConnectionProfileSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         datastreamSettingsBuilder.getConnectionProfileSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * DatastreamStubSettings datastreamSettings = datastreamSettingsBuilder.build();
diff --git a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/HttpJsonDatastreamStub.java b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/HttpJsonDatastreamStub.java
index 3a1a643d..ff59c56f 100644
--- a/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/HttpJsonDatastreamStub.java
+++ b/google-cloud-datastream/src/main/java/com/google/cloud/datastream/v1alpha1/stub/HttpJsonDatastreamStub.java
@@ -205,7 +205,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("connectionProfile", request.getConnectionProfile()))
+                                  .toBody(
+                                      "connectionProfile", request.getConnectionProfile(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -250,7 +251,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("connectionProfile", request.getConnectionProfile()))
+                                  .toBody(
+                                      "connectionProfile", request.getConnectionProfile(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -330,7 +332,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearParent().build()))
+                                  .toBody("*", request.toBuilder().clearParent().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -439,7 +441,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("stream", request.getStream()))
+                              ProtoRestSerializer.create()
+                                  .toBody("stream", request.getStream(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -483,7 +486,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("stream", request.getStream()))
+                              ProtoRestSerializer.create()
+                                  .toBody("stream", request.getStream(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -559,7 +563,7 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearStream().build()))
+                                  .toBody("*", request.toBuilder().clearStream().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -637,7 +641,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("privateConnection", request.getPrivateConnection()))
+                                  .toBody(
+                                      "privateConnection", request.getPrivateConnection(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
@@ -789,7 +794,8 @@ public class HttpJsonDatastreamStub extends DatastreamStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("route", request.getRoute()))
+                              ProtoRestSerializer.create()
+                                  .toBody("route", request.getRoute(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.newBuilder()
diff --git a/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/DatastreamClientTest.java b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/DatastreamClientTest.java
index aab64675..28a3ac7c 100644
--- a/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/DatastreamClientTest.java
+++ b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/DatastreamClientTest.java
@@ -62,6 +62,7 @@
 @Generated("by gapic-generator-java")
 public class DatastreamClientTest {
   private static MockDatastream mockDatastream;
+  private static MockIAMPolicy mockIAMPolicy;
   private static MockLocations mockLocations;
   private static MockServiceHelper mockServiceHelper;
   private LocalChannelProvider channelProvider;
@@ -71,10 +72,11 @@ public class DatastreamClientTest {
   public static void startStaticServer() {
     mockDatastream = new MockDatastream();
     mockLocations = new MockLocations();
+    mockIAMPolicy = new MockIAMPolicy();
     mockServiceHelper =
         new MockServiceHelper(
             UUID.randomUUID().toString(),
-            Arrays.asList(mockDatastream, mockLocations));
+            Arrays.asList(mockDatastream, mockLocations, mockIAMPolicy));
     mockServiceHelper.start();
   }
 
@@ -574,6 +576,7 @@ public void discoverConnectionProfileTest() throws Exception {
     Assert.assertEquals(request.getHierarchyDepth(), actualRequest.getHierarchyDepth());
     Assert.assertEquals(request.getOracleRdbms(), actualRequest.getOracleRdbms());
     Assert.assertEquals(request.getMysqlRdbms(), actualRequest.getMysqlRdbms());
+    Assert.assertEquals(request.getPostgresqlRdbms(), actualRequest.getPostgresqlRdbms());
     Assert.assertTrue(
         channelProvider.isHeaderSent(
             ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
diff --git a/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicy.java b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicy.java
new file mode 100644
index 00000000..bb2fd718
--- /dev/null
+++ b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicy.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.datastream.v1;
+
+import com.google.api.core.BetaApi;
+import com.google.api.gax.grpc.testing.MockGrpcService;
+import com.google.protobuf.AbstractMessage;
+import io.grpc.ServerServiceDefinition;
+import java.util.List;
+import javax.annotation.Generated;
+
+@BetaApi
+@Generated("by gapic-generator-java")
+public class MockIAMPolicy implements MockGrpcService {
+  private final MockIAMPolicyImpl serviceImpl;
+
+  public MockIAMPolicy() {
+    serviceImpl = new MockIAMPolicyImpl();
+  }
+
+  @Override
+  public List getRequests() {
+    return serviceImpl.getRequests();
+  }
+
+  @Override
+  public void addResponse(AbstractMessage response) {
+    serviceImpl.addResponse(response);
+  }
+
+  @Override
+  public void addException(Exception exception) {
+    serviceImpl.addException(exception);
+  }
+
+  @Override
+  public ServerServiceDefinition getServiceDefinition() {
+    return serviceImpl.bindService();
+  }
+
+  @Override
+  public void reset() {
+    serviceImpl.reset();
+  }
+}
diff --git a/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicyImpl.java b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicyImpl.java
new file mode 100644
index 00000000..a50601d2
--- /dev/null
+++ b/google-cloud-datastream/src/test/java/com/google/cloud/datastream/v1/MockIAMPolicyImpl.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.datastream.v1;
+
+import com.google.api.core.BetaApi;
+import com.google.iam.v1.IAMPolicyGrpc.IAMPolicyImplBase;
+import com.google.protobuf.AbstractMessage;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
+import javax.annotation.Generated;
+
+@BetaApi
+@Generated("by gapic-generator-java")
+public class MockIAMPolicyImpl extends IAMPolicyImplBase {
+  private List requests;
+  private Queue
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