diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceClient.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceClient.java
index de39a0c53b08..5bf89066dfbe 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceClient.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceClient.java
@@ -32,8 +32,11 @@
  * 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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
  *   ResolveServiceRequest request =
  *       ResolveServiceRequest.newBuilder()
@@ -75,8 +78,11 @@
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -87,8 +93,11 @@
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * LookupServiceClient lookupServiceClient = LookupServiceClient.create(lookupServiceSettings);
@@ -98,8 +107,11 @@
  * the wire:
  *
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -168,8 +180,11 @@ public LookupServiceStub getStub() {
    * <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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
    *   ResolveServiceRequest request =
    *       ResolveServiceRequest.newBuilder()
@@ -197,8 +212,11 @@ public final ResolveServiceResponse resolveService(ResolveServiceRequest 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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
    *   ResolveServiceRequest request =
    *       ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceSettings.java
index bdcfb404b59e..581c2e5e0a93 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/LookupServiceSettings.java
@@ -51,16 +51,16 @@
  * <p>For example, to set the total timeout of resolveService 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
  * LookupServiceSettings.Builder lookupServiceSettingsBuilder = LookupServiceSettings.newBuilder();
  * lookupServiceSettingsBuilder
  *     .resolveServiceSettings()
  *     .setRetrySettings(
- *         lookupServiceSettingsBuilder
- *             .resolveServiceSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * LookupServiceSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceClient.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceClient.java
index d0aa5d6e087d..509a82cf48e1 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceClient.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceClient.java
@@ -58,8 +58,11 @@
  * 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
  *   Namespace namespace = Namespace.newBuilder().build();
@@ -99,8 +102,11 @@
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -112,8 +118,11 @@
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * RegistrationServiceClient registrationServiceClient =
@@ -124,8 +133,11 @@
  * the wire:
  *
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -194,8 +206,11 @@ public RegistrationServiceStub getStub() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Namespace namespace = Namespace.newBuilder().build();
@@ -234,8 +249,11 @@ public final Namespace createNamespace(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Namespace namespace = Namespace.newBuilder().build();
@@ -273,8 +291,11 @@ public final Namespace createNamespace(String parent, Namespace namespace, Strin
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateNamespaceRequest request =
    *       CreateNamespaceRequest.newBuilder()
@@ -300,8 +321,11 @@ public final Namespace createNamespace(CreateNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateNamespaceRequest request =
    *       CreateNamespaceRequest.newBuilder()
@@ -327,8 +351,11 @@ public final UnaryCallable<CreateNamespaceRequest, Namespace> createNamespaceCal
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
@@ -356,8 +383,11 @@ public final ListNamespacesPagedResponse listNamespaces(LocationName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
@@ -382,8 +412,11 @@ public final ListNamespacesPagedResponse listNamespaces(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -413,8 +446,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -445,8 +481,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -484,8 +523,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   Namespace response = registrationServiceClient.getNamespace(name);
@@ -508,8 +550,11 @@ public final Namespace getNamespace(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   Namespace response = registrationServiceClient.getNamespace(name);
@@ -531,8 +576,11 @@ public final Namespace getNamespace(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetNamespaceRequest request =
    *       GetNamespaceRequest.newBuilder()
@@ -556,8 +604,11 @@ public final Namespace getNamespace(GetNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetNamespaceRequest request =
    *       GetNamespaceRequest.newBuilder()
@@ -581,8 +632,11 @@ public final UnaryCallable<GetNamespaceRequest, Namespace> getNamespaceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Namespace namespace = Namespace.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -610,8 +664,11 @@ public final Namespace updateNamespace(Namespace namespace, FieldMask updateMask
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateNamespaceRequest request =
    *       UpdateNamespaceRequest.newBuilder()
@@ -636,8 +693,11 @@ public final Namespace updateNamespace(UpdateNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateNamespaceRequest request =
    *       UpdateNamespaceRequest.newBuilder()
@@ -662,8 +722,11 @@ public final UnaryCallable<UpdateNamespaceRequest, Namespace> updateNamespaceCal
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   registrationServiceClient.deleteNamespace(name);
@@ -686,8 +749,11 @@ public final void deleteNamespace(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   registrationServiceClient.deleteNamespace(name);
@@ -709,8 +775,11 @@ public final void deleteNamespace(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteNamespaceRequest request =
    *       DeleteNamespaceRequest.newBuilder()
@@ -734,8 +803,11 @@ public final void deleteNamespace(DeleteNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteNamespaceRequest request =
    *       DeleteNamespaceRequest.newBuilder()
@@ -759,8 +831,11 @@ public final UnaryCallable<DeleteNamespaceRequest, Empty> deleteNamespaceCallabl
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   Service service = Service.newBuilder().build();
@@ -796,8 +871,11 @@ public final Service createService(NamespaceName parent, Service service, String
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   Service service = Service.newBuilder().build();
@@ -833,8 +911,11 @@ public final Service createService(String parent, Service service, String servic
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateServiceRequest request =
    *       CreateServiceRequest.newBuilder()
@@ -860,8 +941,11 @@ public final Service createService(CreateServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateServiceRequest request =
    *       CreateServiceRequest.newBuilder()
@@ -887,8 +971,11 @@ public final UnaryCallable<CreateServiceRequest, Service> createServiceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
@@ -915,8 +1002,11 @@ public final ListServicesPagedResponse listServices(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
@@ -940,8 +1030,11 @@ public final ListServicesPagedResponse listServices(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -971,8 +1064,11 @@ public final ListServicesPagedResponse listServices(ListServicesRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -1003,8 +1099,11 @@ public final ListServicesPagedResponse listServices(ListServicesRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -1041,8 +1140,11 @@ public final UnaryCallable<ListServicesRequest, ListServicesResponse> listServic
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   Service response = registrationServiceClient.getService(name);
@@ -1065,8 +1167,11 @@ public final Service getService(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1089,8 +1194,11 @@ public final Service getService(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetServiceRequest request =
    *       GetServiceRequest.newBuilder()
@@ -1115,8 +1223,11 @@ public final Service getService(GetServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetServiceRequest request =
    *       GetServiceRequest.newBuilder()
@@ -1141,8 +1252,11 @@ public final UnaryCallable<GetServiceRequest, Service> getServiceCallable() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Service service = Service.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1167,8 +1281,11 @@ public final Service updateService(Service service, FieldMask updateMask) {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateServiceRequest request =
    *       UpdateServiceRequest.newBuilder()
@@ -1193,8 +1310,11 @@ public final Service updateService(UpdateServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateServiceRequest request =
    *       UpdateServiceRequest.newBuilder()
@@ -1219,8 +1339,11 @@ public final UnaryCallable<UpdateServiceRequest, Service> updateServiceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   registrationServiceClient.deleteService(name);
@@ -1243,8 +1366,11 @@ public final void deleteService(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1267,8 +1393,11 @@ public final void deleteService(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteServiceRequest request =
    *       DeleteServiceRequest.newBuilder()
@@ -1293,8 +1422,11 @@ public final void deleteService(DeleteServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteServiceRequest request =
    *       DeleteServiceRequest.newBuilder()
@@ -1319,8 +1451,11 @@ public final UnaryCallable<DeleteServiceRequest, Empty> deleteServiceCallable()
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   Endpoint endpoint = Endpoint.newBuilder().build();
@@ -1356,8 +1491,11 @@ public final Endpoint createEndpoint(ServiceName parent, Endpoint endpoint, Stri
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1394,8 +1532,11 @@ public final Endpoint createEndpoint(String parent, Endpoint endpoint, String en
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateEndpointRequest request =
    *       CreateEndpointRequest.newBuilder()
@@ -1422,8 +1563,11 @@ public final Endpoint createEndpoint(CreateEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateEndpointRequest request =
    *       CreateEndpointRequest.newBuilder()
@@ -1450,8 +1594,11 @@ public final UnaryCallable<CreateEndpointRequest, Endpoint> createEndpointCallab
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   for (Endpoint element : registrationServiceClient.listEndpoints(parent).iterateAll()) {
@@ -1478,8 +1625,11 @@ public final ListEndpointsPagedResponse listEndpoints(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1504,8 +1654,11 @@ public final ListEndpointsPagedResponse listEndpoints(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1536,8 +1689,11 @@ public final ListEndpointsPagedResponse listEndpoints(ListEndpointsRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1569,8 +1725,11 @@ public final ListEndpointsPagedResponse listEndpoints(ListEndpointsRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1608,8 +1767,11 @@ public final UnaryCallable<ListEndpointsRequest, ListEndpointsResponse> listEndp
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   EndpointName name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
@@ -1633,8 +1795,11 @@ public final Endpoint getEndpoint(EndpointName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
@@ -1658,8 +1823,11 @@ public final Endpoint getEndpoint(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetEndpointRequest request =
    *       GetEndpointRequest.newBuilder()
@@ -1686,8 +1854,11 @@ public final Endpoint getEndpoint(GetEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetEndpointRequest request =
    *       GetEndpointRequest.newBuilder()
@@ -1714,8 +1885,11 @@ public final UnaryCallable<GetEndpointRequest, Endpoint> getEndpointCallable() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Endpoint endpoint = Endpoint.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1740,8 +1914,11 @@ public final Endpoint updateEndpoint(Endpoint endpoint, FieldMask updateMask) {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateEndpointRequest request =
    *       UpdateEndpointRequest.newBuilder()
@@ -1766,8 +1943,11 @@ public final Endpoint updateEndpoint(UpdateEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateEndpointRequest request =
    *       UpdateEndpointRequest.newBuilder()
@@ -1792,8 +1972,11 @@ public final UnaryCallable<UpdateEndpointRequest, Endpoint> updateEndpointCallab
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   EndpointName name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
@@ -1817,8 +2000,11 @@ public final void deleteEndpoint(EndpointName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
@@ -1842,8 +2028,11 @@ public final void deleteEndpoint(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteEndpointRequest request =
    *       DeleteEndpointRequest.newBuilder()
@@ -1870,8 +2059,11 @@ public final void deleteEndpoint(DeleteEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteEndpointRequest request =
    *       DeleteEndpointRequest.newBuilder()
@@ -1898,8 +2090,11 @@ public final UnaryCallable<DeleteEndpointRequest, Empty> deleteEndpointCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
@@ -1924,8 +2119,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
@@ -1950,8 +2148,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
@@ -1977,8 +2178,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
@@ -2004,8 +2208,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
@@ -2030,8 +2237,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceSettings.java
index 34b68591bb6f..80dd37066491 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/RegistrationServiceSettings.java
@@ -62,8 +62,11 @@
  * <p>For example, to set the total timeout of createNamespace 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
  * RegistrationServiceSettings.Builder registrationServiceSettingsBuilder =
  *     RegistrationServiceSettings.newBuilder();
  * registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/package-info.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/package-info.java
index f3c610918702..ac98b5899022 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/package-info.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/package-info.java
@@ -24,8 +24,11 @@
  * <p>Sample for LookupServiceClient:
  *
  * <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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
  *   ResolveServiceRequest request =
  *       ResolveServiceRequest.newBuilder()
@@ -56,8 +59,11 @@
  * <p>Sample for RegistrationServiceClient:
  *
  * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
  *   Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonLookupServiceStub.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonLookupServiceStub.java
index a9ae1b60cb4f..cfc387e4b9f8 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonLookupServiceStub.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonLookupServiceStub.java
@@ -77,7 +77,7 @@ public class HttpJsonLookupServiceStub extends LookupServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<ResolveServiceResponse>newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonRegistrationServiceStub.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonRegistrationServiceStub.java
index 439691af563f..d4812d3fe799 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonRegistrationServiceStub.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/HttpJsonRegistrationServiceStub.java
@@ -109,7 +109,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("namespace", request.getNamespace()))
+                                  .toBody("namespace", request.getNamespace(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Namespace>newBuilder()
@@ -220,7 +220,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("namespace", request.getNamespace()))
+                                  .toBody("namespace", request.getNamespace(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Namespace>newBuilder()
@@ -291,7 +291,8 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("service", request.getService()))
+                              ProtoRestSerializer.create()
+                                  .toBody("service", request.getService(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Service>newBuilder()
@@ -399,7 +400,8 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("service", request.getService()))
+                              ProtoRestSerializer.create()
+                                  .toBody("service", request.getService(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Service>newBuilder()
@@ -471,7 +473,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("endpoint", request.getEndpoint()))
+                                  .toBody("endpoint", request.getEndpoint(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Endpoint>newBuilder()
@@ -581,7 +583,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("endpoint", request.getEndpoint()))
+                                  .toBody("endpoint", request.getEndpoint(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Endpoint>newBuilder()
@@ -654,7 +656,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Policy>newBuilder()
@@ -693,7 +695,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Policy>newBuilder()
@@ -732,7 +734,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<TestIamPermissionsResponse>newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/LookupServiceStubSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/LookupServiceStubSettings.java
index f69b02f25289..1f368e99393b 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/LookupServiceStubSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/LookupServiceStubSettings.java
@@ -64,17 +64,17 @@
  * <p>For example, to set the total timeout of resolveService 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
  * LookupServiceStubSettings.Builder lookupServiceSettingsBuilder =
  *     LookupServiceStubSettings.newBuilder();
  * lookupServiceSettingsBuilder
  *     .resolveServiceSettings()
  *     .setRetrySettings(
- *         lookupServiceSettingsBuilder
- *             .resolveServiceSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * LookupServiceStubSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/RegistrationServiceStubSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/RegistrationServiceStubSettings.java
index 4c759d53d0e0..f052c8666b5f 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/RegistrationServiceStubSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1/stub/RegistrationServiceStubSettings.java
@@ -100,8 +100,11 @@
  * <p>For example, to set the total timeout of createNamespace 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
  * RegistrationServiceStubSettings.Builder registrationServiceSettingsBuilder =
  *     RegistrationServiceStubSettings.newBuilder();
  * registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceClient.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceClient.java
index 284a66080dc3..e8785f909285 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceClient.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceClient.java
@@ -33,8 +33,11 @@
  * 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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
  *   ResolveServiceRequest request =
  *       ResolveServiceRequest.newBuilder()
@@ -76,8 +79,11 @@
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,8 +94,11 @@
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * LookupServiceClient lookupServiceClient = LookupServiceClient.create(lookupServiceSettings);
@@ -99,8 +108,11 @@
  * the wire:
  *
  * <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
  * LookupServiceSettings lookupServiceSettings =
  *     LookupServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -170,8 +182,11 @@ public LookupServiceStub getStub() {
    * <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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
    *   ResolveServiceRequest request =
    *       ResolveServiceRequest.newBuilder()
@@ -199,8 +214,11 @@ public final ResolveServiceResponse resolveService(ResolveServiceRequest 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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
    *   ResolveServiceRequest request =
    *       ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceSettings.java
index 6904ff1065ea..8d9da35e23d4 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/LookupServiceSettings.java
@@ -51,16 +51,16 @@
  * <p>For example, to set the total timeout of resolveService 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
  * LookupServiceSettings.Builder lookupServiceSettingsBuilder = LookupServiceSettings.newBuilder();
  * lookupServiceSettingsBuilder
  *     .resolveServiceSettings()
  *     .setRetrySettings(
- *         lookupServiceSettingsBuilder
- *             .resolveServiceSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * LookupServiceSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceClient.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceClient.java
index 2f6ad606bb50..97dfef8b0128 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceClient.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceClient.java
@@ -59,8 +59,11 @@
  * 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
  *   Namespace namespace = Namespace.newBuilder().build();
@@ -100,8 +103,11 @@
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -113,8 +119,11 @@
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * RegistrationServiceClient registrationServiceClient =
@@ -125,8 +134,11 @@
  * the wire:
  *
  * <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
  * RegistrationServiceSettings registrationServiceSettings =
  *     RegistrationServiceSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -196,8 +208,11 @@ public RegistrationServiceStub getStub() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Namespace namespace = Namespace.newBuilder().build();
@@ -236,8 +251,11 @@ public final Namespace createNamespace(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Namespace namespace = Namespace.newBuilder().build();
@@ -275,8 +293,11 @@ public final Namespace createNamespace(String parent, Namespace namespace, Strin
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateNamespaceRequest request =
    *       CreateNamespaceRequest.newBuilder()
@@ -302,8 +323,11 @@ public final Namespace createNamespace(CreateNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateNamespaceRequest request =
    *       CreateNamespaceRequest.newBuilder()
@@ -329,8 +353,11 @@ public final UnaryCallable<CreateNamespaceRequest, Namespace> createNamespaceCal
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
@@ -358,8 +385,11 @@ public final ListNamespacesPagedResponse listNamespaces(LocationName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
@@ -384,8 +414,11 @@ public final ListNamespacesPagedResponse listNamespaces(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -415,8 +448,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -447,8 +483,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListNamespacesRequest request =
    *       ListNamespacesRequest.newBuilder()
@@ -486,8 +525,11 @@ public final ListNamespacesPagedResponse listNamespaces(ListNamespacesRequest re
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   Namespace response = registrationServiceClient.getNamespace(name);
@@ -510,8 +552,11 @@ public final Namespace getNamespace(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   Namespace response = registrationServiceClient.getNamespace(name);
@@ -533,8 +578,11 @@ public final Namespace getNamespace(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetNamespaceRequest request =
    *       GetNamespaceRequest.newBuilder()
@@ -558,8 +606,11 @@ public final Namespace getNamespace(GetNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetNamespaceRequest request =
    *       GetNamespaceRequest.newBuilder()
@@ -583,8 +634,11 @@ public final UnaryCallable<GetNamespaceRequest, Namespace> getNamespaceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Namespace namespace = Namespace.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -612,8 +666,11 @@ public final Namespace updateNamespace(Namespace namespace, FieldMask updateMask
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateNamespaceRequest request =
    *       UpdateNamespaceRequest.newBuilder()
@@ -638,8 +695,11 @@ public final Namespace updateNamespace(UpdateNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateNamespaceRequest request =
    *       UpdateNamespaceRequest.newBuilder()
@@ -664,8 +724,11 @@ public final UnaryCallable<UpdateNamespaceRequest, Namespace> updateNamespaceCal
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   registrationServiceClient.deleteNamespace(name);
@@ -688,8 +751,11 @@ public final void deleteNamespace(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   registrationServiceClient.deleteNamespace(name);
@@ -711,8 +777,11 @@ public final void deleteNamespace(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteNamespaceRequest request =
    *       DeleteNamespaceRequest.newBuilder()
@@ -736,8 +805,11 @@ public final void deleteNamespace(DeleteNamespaceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteNamespaceRequest request =
    *       DeleteNamespaceRequest.newBuilder()
@@ -761,8 +833,11 @@ public final UnaryCallable<DeleteNamespaceRequest, Empty> deleteNamespaceCallabl
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   Service service = Service.newBuilder().build();
@@ -798,8 +873,11 @@ public final Service createService(NamespaceName parent, Service service, String
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   Service service = Service.newBuilder().build();
@@ -835,8 +913,11 @@ public final Service createService(String parent, Service service, String servic
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateServiceRequest request =
    *       CreateServiceRequest.newBuilder()
@@ -862,8 +943,11 @@ public final Service createService(CreateServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateServiceRequest request =
    *       CreateServiceRequest.newBuilder()
@@ -889,8 +973,11 @@ public final UnaryCallable<CreateServiceRequest, Service> createServiceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
    *   for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
@@ -917,8 +1004,11 @@ public final ListServicesPagedResponse listServices(NamespaceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
    *   for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
@@ -942,8 +1032,11 @@ public final ListServicesPagedResponse listServices(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -973,8 +1066,11 @@ public final ListServicesPagedResponse listServices(ListServicesRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -1005,8 +1101,11 @@ public final ListServicesPagedResponse listServices(ListServicesRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListServicesRequest request =
    *       ListServicesRequest.newBuilder()
@@ -1043,8 +1142,11 @@ public final UnaryCallable<ListServicesRequest, ListServicesResponse> listServic
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   Service response = registrationServiceClient.getService(name);
@@ -1067,8 +1169,11 @@ public final Service getService(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1091,8 +1196,11 @@ public final Service getService(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetServiceRequest request =
    *       GetServiceRequest.newBuilder()
@@ -1117,8 +1225,11 @@ public final Service getService(GetServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetServiceRequest request =
    *       GetServiceRequest.newBuilder()
@@ -1143,8 +1254,11 @@ public final UnaryCallable<GetServiceRequest, Service> getServiceCallable() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Service service = Service.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1169,8 +1283,11 @@ public final Service updateService(Service service, FieldMask updateMask) {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateServiceRequest request =
    *       UpdateServiceRequest.newBuilder()
@@ -1195,8 +1312,11 @@ public final Service updateService(UpdateServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateServiceRequest request =
    *       UpdateServiceRequest.newBuilder()
@@ -1221,8 +1341,11 @@ public final UnaryCallable<UpdateServiceRequest, Service> updateServiceCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   registrationServiceClient.deleteService(name);
@@ -1245,8 +1368,11 @@ public final void deleteService(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1269,8 +1395,11 @@ public final void deleteService(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteServiceRequest request =
    *       DeleteServiceRequest.newBuilder()
@@ -1295,8 +1424,11 @@ public final void deleteService(DeleteServiceRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteServiceRequest request =
    *       DeleteServiceRequest.newBuilder()
@@ -1321,8 +1453,11 @@ public final UnaryCallable<DeleteServiceRequest, Empty> deleteServiceCallable()
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   Endpoint endpoint = Endpoint.newBuilder().build();
@@ -1358,8 +1493,11 @@ public final Endpoint createEndpoint(ServiceName parent, Endpoint endpoint, Stri
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1396,8 +1534,11 @@ public final Endpoint createEndpoint(String parent, Endpoint endpoint, String en
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateEndpointRequest request =
    *       CreateEndpointRequest.newBuilder()
@@ -1424,8 +1565,11 @@ public final Endpoint createEndpoint(CreateEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   CreateEndpointRequest request =
    *       CreateEndpointRequest.newBuilder()
@@ -1452,8 +1596,11 @@ public final UnaryCallable<CreateEndpointRequest, Endpoint> createEndpointCallab
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
    *   for (Endpoint element : registrationServiceClient.listEndpoints(parent).iterateAll()) {
@@ -1480,8 +1627,11 @@ public final ListEndpointsPagedResponse listEndpoints(ServiceName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String parent =
    *       ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
@@ -1506,8 +1656,11 @@ public final ListEndpointsPagedResponse listEndpoints(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1538,8 +1691,11 @@ public final ListEndpointsPagedResponse listEndpoints(ListEndpointsRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1571,8 +1727,11 @@ public final ListEndpointsPagedResponse listEndpoints(ListEndpointsRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   ListEndpointsRequest request =
    *       ListEndpointsRequest.newBuilder()
@@ -1610,8 +1769,11 @@ public final UnaryCallable<ListEndpointsRequest, ListEndpointsResponse> listEndp
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   EndpointName name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
@@ -1635,8 +1797,11 @@ public final Endpoint getEndpoint(EndpointName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
@@ -1660,8 +1825,11 @@ public final Endpoint getEndpoint(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetEndpointRequest request =
    *       GetEndpointRequest.newBuilder()
@@ -1688,8 +1856,11 @@ public final Endpoint getEndpoint(GetEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetEndpointRequest request =
    *       GetEndpointRequest.newBuilder()
@@ -1716,8 +1887,11 @@ public final UnaryCallable<GetEndpointRequest, Endpoint> getEndpointCallable() {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   Endpoint endpoint = Endpoint.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1742,8 +1916,11 @@ public final Endpoint updateEndpoint(Endpoint endpoint, FieldMask updateMask) {
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateEndpointRequest request =
    *       UpdateEndpointRequest.newBuilder()
@@ -1768,8 +1945,11 @@ public final Endpoint updateEndpoint(UpdateEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   UpdateEndpointRequest request =
    *       UpdateEndpointRequest.newBuilder()
@@ -1794,8 +1974,11 @@ public final UnaryCallable<UpdateEndpointRequest, Endpoint> updateEndpointCallab
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   EndpointName name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
@@ -1819,8 +2002,11 @@ public final void deleteEndpoint(EndpointName 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   String name =
    *       EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
@@ -1844,8 +2030,11 @@ public final void deleteEndpoint(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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteEndpointRequest request =
    *       DeleteEndpointRequest.newBuilder()
@@ -1872,8 +2061,11 @@ public final void deleteEndpoint(DeleteEndpointRequest 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   DeleteEndpointRequest request =
    *       DeleteEndpointRequest.newBuilder()
@@ -1900,8 +2092,11 @@ public final UnaryCallable<DeleteEndpointRequest, Empty> deleteEndpointCallable(
    * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
@@ -1926,8 +2121,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
@@ -1952,8 +2150,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
@@ -1979,8 +2180,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
@@ -2006,8 +2210,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
@@ -2032,8 +2239,11 @@ 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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceSettings.java
index b488f55b2251..748d50144540 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/RegistrationServiceSettings.java
@@ -62,8 +62,11 @@
  * <p>For example, to set the total timeout of createNamespace 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
  * RegistrationServiceSettings.Builder registrationServiceSettingsBuilder =
  *     RegistrationServiceSettings.newBuilder();
  * registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/package-info.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/package-info.java
index e6e4966c4d7c..df36fc2c8f96 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/package-info.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/package-info.java
@@ -24,8 +24,11 @@
  * <p>Sample for LookupServiceClient:
  *
  * <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 (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
  *   ResolveServiceRequest request =
  *       ResolveServiceRequest.newBuilder()
@@ -56,8 +59,11 @@
  * <p>Sample for RegistrationServiceClient:
  *
  * <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 (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
  *   Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonLookupServiceStub.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonLookupServiceStub.java
index 56ed76f3a999..c55f2247d77f 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonLookupServiceStub.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonLookupServiceStub.java
@@ -78,7 +78,7 @@ public class HttpJsonLookupServiceStub extends LookupServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<ResolveServiceResponse>newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonRegistrationServiceStub.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonRegistrationServiceStub.java
index 27a4d15ecbc1..1258f5009835 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonRegistrationServiceStub.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/HttpJsonRegistrationServiceStub.java
@@ -109,7 +109,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("namespace", request.getNamespace()))
+                                  .toBody("namespace", request.getNamespace(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Namespace>newBuilder()
@@ -220,7 +220,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("namespace", request.getNamespace()))
+                                  .toBody("namespace", request.getNamespace(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Namespace>newBuilder()
@@ -291,7 +291,8 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("service", request.getService()))
+                              ProtoRestSerializer.create()
+                                  .toBody("service", request.getService(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Service>newBuilder()
@@ -399,7 +400,8 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                           })
                       .setRequestBodyExtractor(
                           request ->
-                              ProtoRestSerializer.create().toBody("service", request.getService()))
+                              ProtoRestSerializer.create()
+                                  .toBody("service", request.getService(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Service>newBuilder()
@@ -471,7 +473,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("endpoint", request.getEndpoint()))
+                                  .toBody("endpoint", request.getEndpoint(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Endpoint>newBuilder()
@@ -582,7 +584,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("endpoint", request.getEndpoint()))
+                                  .toBody("endpoint", request.getEndpoint(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Endpoint>newBuilder()
@@ -655,7 +657,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Policy>newBuilder()
@@ -694,7 +696,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Policy>newBuilder()
@@ -733,7 +735,7 @@ public class HttpJsonRegistrationServiceStub extends RegistrationServiceStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearResource().build()))
+                                  .toBody("*", request.toBuilder().clearResource().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<TestIamPermissionsResponse>newBuilder()
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/LookupServiceStubSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/LookupServiceStubSettings.java
index cfb62470914b..591e22e61abc 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/LookupServiceStubSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/LookupServiceStubSettings.java
@@ -64,17 +64,17 @@
  * <p>For example, to set the total timeout of resolveService 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
  * LookupServiceStubSettings.Builder lookupServiceSettingsBuilder =
  *     LookupServiceStubSettings.newBuilder();
  * lookupServiceSettingsBuilder
  *     .resolveServiceSettings()
  *     .setRetrySettings(
- *         lookupServiceSettingsBuilder
- *             .resolveServiceSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * LookupServiceStubSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/RegistrationServiceStubSettings.java b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/RegistrationServiceStubSettings.java
index df103ef1b494..c597b4dbf21c 100644
--- a/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/RegistrationServiceStubSettings.java
+++ b/java-servicedirectory/google-cloud-servicedirectory/src/main/java/com/google/cloud/servicedirectory/v1beta1/stub/RegistrationServiceStubSettings.java
@@ -100,8 +100,11 @@
  * <p>For example, to set the total timeout of createNamespace 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
  * RegistrationServiceStubSettings.Builder registrationServiceSettingsBuilder =
  *     RegistrationServiceStubSettings.newBuilder();
  * registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
index 4380e28b6096..3fd5e2bc3a42 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
index 7a9cd536b159..bccdf9d75782 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetEndpoint.java
index 428883ce74ae..68d7de4cc813 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     LookupServiceClient lookupServiceClient = LookupServiceClient.create(lookupServiceSettings);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/AsyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/AsyncResolveService.java
index f9c0857f3836..d836636110c7 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/AsyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/AsyncResolveService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
       ResolveServiceRequest request =
           ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/SyncResolveService.java
index a3d7a9465771..1cc0a1e59f2f 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupserviceclient/resolveservice/SyncResolveService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
       ResolveServiceRequest request =
           ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupservicesettings/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupservicesettings/resolveservice/SyncResolveService.java
index 14647002837c..55940277d03d 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupservicesettings/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/lookupservicesettings/resolveservice/SyncResolveService.java
@@ -27,16 +27,16 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings.Builder lookupServiceSettingsBuilder = LookupServiceSettings.newBuilder();
     lookupServiceSettingsBuilder
         .resolveServiceSettings()
         .setRetrySettings(
-            lookupServiceSettingsBuilder
-                .resolveServiceSettings()
-                .getRetrySettings()
-                .toBuilder()
+            lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     LookupServiceSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
index caaa66fc441a..a599021f7645 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
index 05f76c0d43d2..56f841ec09ee 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetEndpoint.java
index ed7d0641bfc6..1f85fd47ef2f 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     RegistrationServiceClient registrationServiceClient =
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
index 6cdf7958339d..596a1a848d87 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateEndpointRequest request =
           CreateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
index 6ff94bc34a20..79d05f819d51 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateEndpointRequest request =
           CreateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
index 97f5c3743812..f644902c5906 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpointServicenameEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       Endpoint endpoint = Endpoint.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
index 825271418c92..5521609e279a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpointStringEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
index d3aedbcab5b1..dda48e3c3e8d 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateNamespaceRequest request =
           CreateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
index 97eeec7e22bb..f5e9edb2a403 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateNamespaceRequest request =
           CreateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
index bd73527d5d53..22abb9a1d2ed 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespaceLocationnameNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
index fce319d0947d..dd522b182804 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespaceStringNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/AsyncCreateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/AsyncCreateService.java
index b62039f12e24..5e4a0a8fc1f6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/AsyncCreateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/AsyncCreateService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateServiceRequest request =
           CreateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateService.java
index 94fcde939708..1fb80caa8301 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateServiceRequest request =
           CreateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
index 8fc14dc74f9e..3024f6f404f2 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateServiceNamespacenameServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       Service service = Service.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
index cd23e02b24c3..bd54b21521ff 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateServiceStringServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       Service service = Service.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
index c78a7796a768..83bc1b79de05 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteEndpointRequest request =
           DeleteEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
index 94f8e8ad85d7..75a5ec69f16e 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteEndpointRequest request =
           DeleteEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
index afe84fc331b4..1951cb665cd6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpointEndpointname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       EndpointName name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
index e19fa6db4f67..cbecd93879a0 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
index b26bac039ee2..663dde66f247 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteNamespaceRequest request =
           DeleteNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
index f555fd13c71a..8fb96a5e1523 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteNamespaceRequest request =
           DeleteNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
index 9a6e1c8ff116..63636f1da05b 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespaceNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       registrationServiceClient.deleteNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
index c61c661b3297..4a4ce42754da 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       registrationServiceClient.deleteNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/AsyncDeleteService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/AsyncDeleteService.java
index 0730e6bea8fa..62ec1ffb06ae 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/AsyncDeleteService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/AsyncDeleteService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteServiceRequest request =
           DeleteServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteService.java
index 2510f6d312c6..ed4409df1e6f 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteServiceRequest request =
           DeleteServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
index 87e203907e9b..7a72912ffea4 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteServiceServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       registrationServiceClient.deleteService(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
index 271b59f143ac..7954af52f7ea 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
index a42070f08468..040f89aac321 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetEndpointRequest request =
           GetEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
index a79d4a213163..0c420e283079 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetEndpointRequest request =
           GetEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
index e73c119eada6..00dcf0fef7be 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpointEndpointname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       EndpointName name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
index fd00033abebd..155ffc14da8c 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
index 95fd3ce12886..645983262b13 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetIamPolicyRequest request =
           GetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
index 83709ee1cbd1..9b3b8e62509a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetIamPolicyRequest request =
           GetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/AsyncGetNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
index 4992874f4eb0..f5f7e2d488cf 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetNamespaceRequest request =
           GetNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespace.java
index 90176243d527..a3a62e14e80e 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetNamespaceRequest request =
           GetNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
index 2dbc802b7520..dfee5c05fd72 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespaceNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       Namespace response = registrationServiceClient.getNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
index 8f8e5113cba5..c3db6fb5b780 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       Namespace response = registrationServiceClient.getNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/AsyncGetService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/AsyncGetService.java
index 30adf262ba5e..d2b594be5068 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/AsyncGetService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/AsyncGetService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetServiceRequest request =
           GetServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetService.java
index a9bd14c68e8d..ed2aadd2cfca 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetServiceRequest request =
           GetServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceServicename.java
index 97c1cc99b96a..7c88bbf621bb 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetServiceServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       Service response = registrationServiceClient.getService(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceString.java
index 03bdcd5a947f..050f002b1837 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/getservice/SyncGetServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpoints.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
index e47208b4a5db..ec6f275ad43c 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListEndpoints() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
index 44e394e1a0d4..e52c5c0262e6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListEndpointsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpoints.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpoints.java
index 116d8ea3fa58..71f9728c0059 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpoints.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpoints.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpoints() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
index 848d925e4317..cb9366cec402 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpointsServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       for (Endpoint element : registrationServiceClient.listEndpoints(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
index da5cc35dada6..ed297798d9e7 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpointsString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
index 46a466f0ab07..11114f1358e7 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListNamespaces() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
index 636a1b9280d9..8b6d576a6a82 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListNamespacesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespaces.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
index ae9fe4accffc..bd13b6d83894 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespaces() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
index 79f2a211b8df..f7678e91f20a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespacesLocationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
index 5ade192b3891..30a11d92fbaf 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespacesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServices.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServices.java
index 87e71a33a938..283cd34c49b6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServices.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServices.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListServices() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServicesPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServicesPaged.java
index 0ca6dcccc48e..74be47fba3d6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServicesPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/AsyncListServicesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListServicesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServices.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServices.java
index f05a6d9fe641..1d46dd41fa23 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServices.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServices.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServices() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
index eeebfb77c369..89ad0a3bcbc5 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServicesNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesString.java
index 10241c5e191d..6d4f29038a00 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/listservices/SyncListServicesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServicesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
index 5b3d51381c6d..f6022eb8a86a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncSetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       SetIamPolicyRequest request =
           SetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
index cfa523330848..49c01d5eec4b 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       SetIamPolicyRequest request =
           SetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
index 5978a7f0d01f..a50b67978180 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncTestIamPermissions() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       TestIamPermissionsRequest request =
           TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
index 286e3a0277ce..e5ab645dd166 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncTestIamPermissions() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       TestIamPermissionsRequest request =
           TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
index 5a03713b15cc..6a6f47cf0775 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateEndpointRequest request =
           UpdateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
index 91e38e4c3d9e..6aab568ebe11 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateEndpointRequest request =
           UpdateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
index bd35030d6d61..dce28767e5a8 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateEndpointEndpointFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Endpoint endpoint = Endpoint.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
index 948c05f43ad0..a015b78ec354 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateNamespaceRequest request =
           UpdateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
index 9be1ed025997..cdf1ca660854 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateNamespaceRequest request =
           UpdateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
index 45fc0b4e7423..8af415105d76 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateNamespaceNamespaceFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Namespace namespace = Namespace.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/AsyncUpdateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/AsyncUpdateService.java
index f25fcb6d8b84..39ec64cd9bcb 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/AsyncUpdateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/AsyncUpdateService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateServiceRequest request =
           UpdateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateService.java
index 9f60281aee0e..e810e09a2f9a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateServiceRequest request =
           UpdateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
index a9c32027505d..1f8514e2bcbd 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateServiceServiceFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Service service = Service.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationservicesettings/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
index f0fd5e4508ea..0583814c8272 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings.Builder registrationServiceSettingsBuilder =
         RegistrationServiceSettings.newBuilder();
     registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
index 196e4d9cdd05..2a17a011fce7 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceStubSettings.Builder lookupServiceSettingsBuilder =
         LookupServiceStubSettings.newBuilder();
     lookupServiceSettingsBuilder
         .resolveServiceSettings()
         .setRetrySettings(
-            lookupServiceSettingsBuilder
-                .resolveServiceSettings()
-                .getRetrySettings()
-                .toBuilder()
+            lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     LookupServiceStubSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
index 49d7cb9a6f52..e68d108ca638 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceStubSettings.Builder registrationServiceSettingsBuilder =
         RegistrationServiceStubSettings.newBuilder();
     registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
index 84ca6e9d67d9..d4fdf025c9f6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
index d54d841cca3f..ce7f92d311c6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetEndpoint.java
index a7fa2ea54101..e8acc6da5946 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings lookupServiceSettings =
         LookupServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     LookupServiceClient lookupServiceClient = LookupServiceClient.create(lookupServiceSettings);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/AsyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/AsyncResolveService.java
index 86ceb33cd56f..81ca980ea0c9 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/AsyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/AsyncResolveService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
       ResolveServiceRequest request =
           ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/SyncResolveService.java
index a2843c0d94b1..b8bba8f136b6 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupserviceclient/resolveservice/SyncResolveService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (LookupServiceClient lookupServiceClient = LookupServiceClient.create()) {
       ResolveServiceRequest request =
           ResolveServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupservicesettings/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupservicesettings/resolveservice/SyncResolveService.java
index dfaef560ebb7..e98c844be741 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupservicesettings/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/lookupservicesettings/resolveservice/SyncResolveService.java
@@ -27,16 +27,16 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceSettings.Builder lookupServiceSettingsBuilder = LookupServiceSettings.newBuilder();
     lookupServiceSettingsBuilder
         .resolveServiceSettings()
         .setRetrySettings(
-            lookupServiceSettingsBuilder
-                .resolveServiceSettings()
-                .getRetrySettings()
-                .toBuilder()
+            lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     LookupServiceSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
index dbd68985f8ea..d956d2425f37 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
index 77d45527fee4..cfe199a6b0b2 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetEndpoint.java
index 486059a53b09..abfa06e5fea0 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings registrationServiceSettings =
         RegistrationServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
     RegistrationServiceClient registrationServiceClient =
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
index 0746d2bfcbbf..735cb2369402 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/AsyncCreateEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateEndpointRequest request =
           CreateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
index a230f1698dba..3342e04282bc 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateEndpointRequest request =
           CreateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
index 8cb08dfed9eb..54141e743c60 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointServicenameEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpointServicenameEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       Endpoint endpoint = Endpoint.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
index b8b91c33a7c2..5bb61cc76de2 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createendpoint/SyncCreateEndpointStringEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateEndpointStringEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
index 1d556f808a21..ad1388585e80 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/AsyncCreateNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateNamespaceRequest request =
           CreateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
index a71ea7159841..b907f3bec089 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateNamespaceRequest request =
           CreateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
index 539e3e47630a..635c8b75b51d 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceLocationnameNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespaceLocationnameNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
index 8ba9ff392ff1..38b8695b41e3 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createnamespace/SyncCreateNamespaceStringNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespaceStringNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       Namespace namespace = Namespace.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/AsyncCreateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/AsyncCreateService.java
index 3aaa2d53561f..c9a7db312253 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/AsyncCreateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/AsyncCreateService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncCreateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateServiceRequest request =
           CreateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateService.java
index f2ac59a86d92..0efcf7ccd198 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       CreateServiceRequest request =
           CreateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
index 160299284b71..ea1bbb6e74c8 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceNamespacenameServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateServiceNamespacenameServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       Service service = Service.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
index 0cac32b0df78..9e5a376fa05d 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/createservice/SyncCreateServiceStringServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateServiceStringServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       Service service = Service.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
index 06f0ceaae4ce..a379c46c3797 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/AsyncDeleteEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteEndpointRequest request =
           DeleteEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
index 5047d8f1ffbf..ddb832c98496 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteEndpointRequest request =
           DeleteEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
index aa1157cc011b..60f95ed86b70 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointEndpointname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpointEndpointname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       EndpointName name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
index 57e69672913a..5d24c90b0eef 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteendpoint/SyncDeleteEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
index 89d486f01769..d44f0f151907 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/AsyncDeleteNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteNamespaceRequest request =
           DeleteNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
index 2ede48e335f5..d57b260cad06 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteNamespaceRequest request =
           DeleteNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
index 3ffd512e3c72..c5635659e85f 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespaceNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       registrationServiceClient.deleteNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
index 48769cdbd7cc..c9f02390e25c 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deletenamespace/SyncDeleteNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       registrationServiceClient.deleteNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/AsyncDeleteService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/AsyncDeleteService.java
index c846026593b3..6bbf74ee51c9 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/AsyncDeleteService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/AsyncDeleteService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncDeleteService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteServiceRequest request =
           DeleteServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteService.java
index 4fdc8b66384a..ce0d98edd404 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       DeleteServiceRequest request =
           DeleteServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
index f5b2093cfb35..6275f0ce0174 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteServiceServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       registrationServiceClient.deleteService(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
index d218e221efdb..fe28f06de279 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/deleteservice/SyncDeleteServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncDeleteServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
index 2f8a439d07ed..15b53e2d1547 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/AsyncGetEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetEndpointRequest request =
           GetEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
index fe61944a6976..4393e2fa6517 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetEndpointRequest request =
           GetEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
index 8731306206db..7df55ea6cd34 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointEndpointname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpointEndpointname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       EndpointName name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]");
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
index 4c2fba4dedca..673c7e144779 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getendpoint/SyncGetEndpointString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetEndpointString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           EndpointName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]", "[ENDPOINT]")
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
index 0edef8b19135..d38847265bd4 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/AsyncGetIamPolicy.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetIamPolicyRequest request =
           GetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
index 27e7590dceef..ce627cbe27e7 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getiampolicy/SyncGetIamPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetIamPolicyRequest request =
           GetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/AsyncGetNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
index a1e1abb08f54..6a2c0b730a80 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/AsyncGetNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetNamespaceRequest request =
           GetNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespace.java
index 0e5d6281d60b..6a06a6e7fa0d 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetNamespaceRequest request =
           GetNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
index d62a10faebfe..4149464be41a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespaceNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       Namespace response = registrationServiceClient.getNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
index 160f195f7d95..1058ab145bf3 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getnamespace/SyncGetNamespaceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetNamespaceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       Namespace response = registrationServiceClient.getNamespace(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/AsyncGetService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/AsyncGetService.java
index 211fc5dc407f..0e2f545bbecb 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/AsyncGetService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/AsyncGetService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetServiceRequest request =
           GetServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetService.java
index d44a19def198..cee13f4f89f1 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       GetServiceRequest request =
           GetServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceServicename.java
index 4080b50d2604..ede8939fe664 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetServiceServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName name = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       Service response = registrationServiceClient.getService(name);
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceString.java
index d890c4874d4b..0905eb172617 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/getservice/SyncGetServiceString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetServiceString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String name =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpoints.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
index 5bd9b0c0bf7c..ac405d1ff119 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpoints.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListEndpoints() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
index 013a67b31f36..a3dceb02896a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/AsyncListEndpointsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListEndpointsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpoints.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpoints.java
index 976dd80ece4e..3eeb0f9d2ad0 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpoints.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpoints.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpoints() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListEndpointsRequest request =
           ListEndpointsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
index 8007111c5015..c0b6c1cc3da0 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsServicename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpointsServicename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ServiceName parent = ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]");
       for (Endpoint element : registrationServiceClient.listEndpoints(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
index 4456b1f0d0c2..183861ad1f3a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listendpoints/SyncListEndpointsString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListEndpointsString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent =
           ServiceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]", "[SERVICE]").toString();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
index a49dcd001988..fa8909e99f95 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespaces.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListNamespaces() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
index b3b5d47de53f..c355c42c5891 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/AsyncListNamespacesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListNamespacesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespaces.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
index e36d22230e84..2ef6238d8ecc 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespaces.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespaces() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListNamespacesRequest request =
           ListNamespacesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
index 1cedeb21b236..b7dce7e0babf 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesLocationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespacesLocationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
       for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
index 53363cbeeda2..190bb492947e 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listnamespaces/SyncListNamespacesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListNamespacesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
       for (Namespace element : registrationServiceClient.listNamespaces(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServices.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServices.java
index 79d86c8193f6..2eb2bd316964 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServices.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServices.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListServices() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServicesPaged.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServicesPaged.java
index f28bbc299b5f..7df075207196 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServicesPaged.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/AsyncListServicesPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListServicesPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServices.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServices.java
index 553e20671375..e0140791a229 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServices.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServices.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServices() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       ListServicesRequest request =
           ListServicesRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesNamespacename.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
index e38a4b3c3a4d..9dddadec3380 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesNamespacename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServicesNamespacename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       NamespaceName parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]");
       for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesString.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesString.java
index 5fa17514f547..10f310aa91fd 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesString.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/listservices/SyncListServicesString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListServicesString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       String parent = NamespaceName.of("[PROJECT]", "[LOCATION]", "[NAMESPACE]").toString();
       for (Service element : registrationServiceClient.listServices(parent).iterateAll()) {
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
index 1a6ac721f55d..7fa0d315f2e4 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/AsyncSetIamPolicy.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncSetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       SetIamPolicyRequest request =
           SetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
index 38ae21415be6..94dfe7f7ce10 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/setiampolicy/SyncSetIamPolicy.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncSetIamPolicy() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       SetIamPolicyRequest request =
           SetIamPolicyRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
index 2b9368f4f29a..51c18c9afefc 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/AsyncTestIamPermissions.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncTestIamPermissions() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       TestIamPermissionsRequest request =
           TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
index b0b358f02979..903d359ef457 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/testiampermissions/SyncTestIamPermissions.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncTestIamPermissions() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       TestIamPermissionsRequest request =
           TestIamPermissionsRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
index 5fcd0d73376c..d24be811b436 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/AsyncUpdateEndpoint.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateEndpointRequest request =
           UpdateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
index 987ee05d284c..3f798517f4d9 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpoint.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateEndpointRequest request =
           UpdateEndpointRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
index 77b1d32cb816..d7acfdb7c79e 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateendpoint/SyncUpdateEndpointEndpointFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateEndpointEndpointFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Endpoint endpoint = Endpoint.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
index e9230e51684d..320ab089c050 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/AsyncUpdateNamespace.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateNamespaceRequest request =
           UpdateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
index 7814208ec1ab..d820723ad752 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespace.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateNamespaceRequest request =
           UpdateNamespaceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
index 5339c130d6d6..6e1dde71ab4b 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updatenamespace/SyncUpdateNamespaceNamespaceFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateNamespaceNamespaceFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Namespace namespace = Namespace.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/AsyncUpdateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/AsyncUpdateService.java
index f32493d8e628..2dc75925be5a 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/AsyncUpdateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/AsyncUpdateService.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateServiceRequest request =
           UpdateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateService.java
index 9c991066f8cf..6fdba8ac3da9 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateService.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       UpdateServiceRequest request =
           UpdateServiceRequest.newBuilder()
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
index 0cef2c0012a3..2ae5d676fe5e 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationserviceclient/updateservice/SyncUpdateServiceServiceFieldmask.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateServiceServiceFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RegistrationServiceClient registrationServiceClient = RegistrationServiceClient.create()) {
       Service service = Service.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationservicesettings/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
index ef70b13614f6..aabedc1a1136 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/registrationservicesettings/createnamespace/SyncCreateNamespace.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceSettings.Builder registrationServiceSettingsBuilder =
         RegistrationServiceSettings.newBuilder();
     registrationServiceSettingsBuilder
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
index 20f4a1397fb2..7198a82ecded 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/lookupservicestubsettings/resolveservice/SyncResolveService.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncResolveService() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     LookupServiceStubSettings.Builder lookupServiceSettingsBuilder =
         LookupServiceStubSettings.newBuilder();
     lookupServiceSettingsBuilder
         .resolveServiceSettings()
         .setRetrySettings(
-            lookupServiceSettingsBuilder
-                .resolveServiceSettings()
-                .getRetrySettings()
-                .toBuilder()
+            lookupServiceSettingsBuilder.resolveServiceSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     LookupServiceStubSettings lookupServiceSettings = lookupServiceSettingsBuilder.build();
diff --git a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
index 5be54195d6ed..92be8b37dfb4 100644
--- a/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
+++ b/java-servicedirectory/samples/snippets/generated/com/google/cloud/servicedirectory/v1beta1/stub/registrationservicestubsettings/createnamespace/SyncCreateNamespace.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateNamespace() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RegistrationServiceStubSettings.Builder registrationServiceSettingsBuilder =
         RegistrationServiceStubSettings.newBuilder();
     registrationServiceSettingsBuilder