diff --git a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceClient.java b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceClient.java
index b24c595c44c2..5bac86eeadc5 100644
--- a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceClient.java
+++ b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceClient.java
@@ -65,8 +65,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
  *     ClientGatewaysServiceClient.create()) {
  *   ClientGatewayName name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]");
@@ -104,8 +107,11 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * ClientGatewaysServiceSettings clientGatewaysServiceSettings =
  *     ClientGatewaysServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -117,8 +123,11 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * ClientGatewaysServiceSettings clientGatewaysServiceSettings =
  *     ClientGatewaysServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ClientGatewaysServiceClient clientGatewaysServiceClient =
@@ -195,8 +204,11 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -225,8 +237,11 @@ public final ListClientGatewaysPagedResponse listClientGateways(LocationName par
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -253,8 +268,11 @@ public final ListClientGatewaysPagedResponse listClientGateways(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListClientGatewaysRequest request =
@@ -287,8 +305,11 @@ public final ListClientGatewaysPagedResponse listClientGateways(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListClientGatewaysRequest request =
@@ -320,8 +341,11 @@ public final ListClientGatewaysPagedResponse listClientGateways(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListClientGatewaysRequest request =
@@ -360,8 +384,11 @@ public final ListClientGatewaysPagedResponse listClientGateways(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ClientGatewayName name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]");
@@ -385,8 +412,11 @@ public final ClientGateway getClientGateway(ClientGatewayName name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   String name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]").toString();
@@ -409,8 +439,11 @@ public final ClientGateway getClientGateway(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetClientGatewayRequest request =
@@ -436,8 +469,11 @@ public final ClientGateway getClientGateway(GetClientGatewayRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetClientGatewayRequest request =
@@ -463,8 +499,11 @@ public final UnaryCallable<GetClientGatewayRequest, ClientGateway> getClientGate
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -503,8 +542,11 @@ public final UnaryCallable<GetClientGatewayRequest, ClientGateway> getClientGate
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -542,8 +584,11 @@ public final UnaryCallable<GetClientGatewayRequest, ClientGateway> getClientGate
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   CreateClientGatewayRequest request =
@@ -573,8 +618,11 @@ public final UnaryCallable<GetClientGatewayRequest, ClientGateway> getClientGate
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   CreateClientGatewayRequest request =
@@ -605,8 +653,11 @@ public final UnaryCallable<GetClientGatewayRequest, ClientGateway> getClientGate
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   CreateClientGatewayRequest request =
@@ -635,8 +686,11 @@ public final UnaryCallable<CreateClientGatewayRequest, Operation> createClientGa
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ClientGatewayName name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]");
@@ -663,8 +717,11 @@ public final OperationFuture<Empty, ClientGatewayOperationMetadata> deleteClient
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   String name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]").toString();
@@ -689,8 +746,11 @@ public final OperationFuture<Empty, ClientGatewayOperationMetadata> deleteClient
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   DeleteClientGatewayRequest request =
@@ -719,8 +779,11 @@ public final OperationFuture<Empty, ClientGatewayOperationMetadata> deleteClient
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   DeleteClientGatewayRequest request =
@@ -749,8 +812,11 @@ public final OperationFuture<Empty, ClientGatewayOperationMetadata> deleteClient
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   DeleteClientGatewayRequest request =
@@ -778,8 +844,11 @@ public final UnaryCallable<DeleteClientGatewayRequest, Operation> deleteClientGa
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListLocationsRequest request =
@@ -809,8 +878,11 @@ public final ListLocationsPagedResponse listLocations(ListLocationsRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListLocationsRequest request =
@@ -841,8 +913,11 @@ public final ListLocationsPagedResponse listLocations(ListLocationsRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   ListLocationsRequest request =
@@ -879,8 +954,11 @@ public final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLoca
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
@@ -902,8 +980,11 @@ public final Location getLocation(GetLocationRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
@@ -927,8 +1008,11 @@ public final UnaryCallable<GetLocationRequest, Location> getLocationCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   SetIamPolicyRequest request =
@@ -958,8 +1042,11 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   SetIamPolicyRequest request =
@@ -988,8 +1075,11 @@ public final UnaryCallable<SetIamPolicyRequest, Policy> setIamPolicyCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetIamPolicyRequest request =
@@ -1017,8 +1107,11 @@ public final Policy getIamPolicy(GetIamPolicyRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   GetIamPolicyRequest request =
@@ -1050,8 +1143,11 @@ public final UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   TestIamPermissionsRequest request =
@@ -1083,8 +1179,11 @@ public final TestIamPermissionsResponse testIamPermissions(TestIamPermissionsReq
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
    *     ClientGatewaysServiceClient.create()) {
    *   TestIamPermissionsRequest request =
diff --git a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceSettings.java b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceSettings.java
index bbe7519c3199..00db544aa9b6 100644
--- a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceSettings.java
+++ b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/ClientGatewaysServiceSettings.java
@@ -65,8 +65,11 @@
  * <p>For example, to set the total timeout of getClientGateway to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * ClientGatewaysServiceSettings.Builder clientGatewaysServiceSettingsBuilder =
  *     ClientGatewaysServiceSettings.newBuilder();
  * clientGatewaysServiceSettingsBuilder
diff --git a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/package-info.java b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/package-info.java
index 50dde3b251a4..5c95d7911bc2 100644
--- a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/package-info.java
+++ b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/package-info.java
@@ -37,8 +37,11 @@
  * <p>Sample for ClientGatewaysServiceClient:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (ClientGatewaysServiceClient clientGatewaysServiceClient =
  *     ClientGatewaysServiceClient.create()) {
  *   ClientGatewayName name = ClientGatewayName.of("[PROJECT]", "[LOCATION]", "[CLIENT_GATEWAY]");
diff --git a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/stub/ClientGatewaysServiceStubSettings.java b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/stub/ClientGatewaysServiceStubSettings.java
index 40704ab6d7ab..6782d88933ff 100644
--- a/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/stub/ClientGatewaysServiceStubSettings.java
+++ b/java-beyondcorp-clientgateways/google-cloud-beyondcorp-clientgateways/src/main/java/com/google/cloud/beyondcorp/clientgateways/v1/stub/ClientGatewaysServiceStubSettings.java
@@ -90,8 +90,11 @@
  * <p>For example, to set the total timeout of getClientGateway to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * ClientGatewaysServiceStubSettings.Builder clientGatewaysServiceSettingsBuilder =
  *     ClientGatewaysServiceStubSettings.newBuilder();
  * clientGatewaysServiceSettingsBuilder