diff --git a/README.md b/README.md
index e886c98e..9623479b 100644
--- a/README.md
+++ b/README.md
@@ -57,13 +57,13 @@ implementation 'com.google.cloud:google-cloud-monitoring'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-monitoring:3.4.1'
+implementation 'com.google.cloud:google-cloud-monitoring:3.4.2'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-monitoring" % "3.4.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-monitoring" % "3.4.2"
 ```
 
 ## Authentication
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java
index a0daeee3..30bdac60 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceClient.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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
  *   AlertPolicyName name =
  *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]");
@@ -97,8 +100,11 @@
  * <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
  * AlertPolicyServiceSettings alertPolicyServiceSettings =
  *     AlertPolicyServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -110,8 +116,11 @@
  * <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
  * AlertPolicyServiceSettings alertPolicyServiceSettings =
  *     AlertPolicyServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * AlertPolicyServiceClient alertPolicyServiceClient =
@@ -177,8 +186,11 @@ public AlertPolicyServiceStub 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   for (AlertPolicy element : alertPolicyServiceClient.listAlertPolicies(name).iterateAll()) {
@@ -211,8 +223,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(ResourceName 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   for (AlertPolicy element : alertPolicyServiceClient.listAlertPolicies(name).iterateAll()) {
@@ -245,8 +260,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(OrganizationName n
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   for (AlertPolicy element : alertPolicyServiceClient.listAlertPolicies(name).iterateAll()) {
@@ -279,8 +297,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(ProjectName 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   for (AlertPolicy element : alertPolicyServiceClient.listAlertPolicies(name).iterateAll()) {
@@ -310,8 +331,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ListAlertPoliciesRequest request =
    *       ListAlertPoliciesRequest.newBuilder()
@@ -341,8 +365,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(ListAlertPoliciesR
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ListAlertPoliciesRequest request =
    *       ListAlertPoliciesRequest.newBuilder()
@@ -373,8 +400,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(ListAlertPoliciesR
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ListAlertPoliciesRequest request =
    *       ListAlertPoliciesRequest.newBuilder()
@@ -412,8 +442,11 @@ public final ListAlertPoliciesPagedResponse listAlertPolicies(ListAlertPoliciesR
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   AlertPolicyName name =
    *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]");
@@ -438,8 +471,11 @@ public final AlertPolicy getAlertPolicy(AlertPolicyName 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   String name =
    *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]").toString();
@@ -463,8 +499,11 @@ public final AlertPolicy getAlertPolicy(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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   GetAlertPolicyRequest request =
    *       GetAlertPolicyRequest.newBuilder()
@@ -490,8 +529,11 @@ public final AlertPolicy getAlertPolicy(GetAlertPolicyRequest 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   GetAlertPolicyRequest request =
    *       GetAlertPolicyRequest.newBuilder()
@@ -517,8 +559,11 @@ public final UnaryCallable<GetAlertPolicyRequest, AlertPolicy> getAlertPolicyCal
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   AlertPolicy alertPolicy = AlertPolicy.newBuilder().build();
@@ -556,8 +601,11 @@ public final AlertPolicy createAlertPolicy(ResourceName name, AlertPolicy alertP
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   AlertPolicy alertPolicy = AlertPolicy.newBuilder().build();
@@ -595,8 +643,11 @@ public final AlertPolicy createAlertPolicy(OrganizationName name, AlertPolicy al
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   AlertPolicy alertPolicy = AlertPolicy.newBuilder().build();
@@ -634,8 +685,11 @@ public final AlertPolicy createAlertPolicy(ProjectName name, AlertPolicy alertPo
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   AlertPolicy alertPolicy = AlertPolicy.newBuilder().build();
@@ -670,8 +724,11 @@ public final AlertPolicy createAlertPolicy(String name, AlertPolicy alertPolicy)
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   CreateAlertPolicyRequest request =
    *       CreateAlertPolicyRequest.newBuilder()
@@ -696,8 +753,11 @@ public final AlertPolicy createAlertPolicy(CreateAlertPolicyRequest 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   CreateAlertPolicyRequest request =
    *       CreateAlertPolicyRequest.newBuilder()
@@ -722,8 +782,11 @@ public final UnaryCallable<CreateAlertPolicyRequest, AlertPolicy> createAlertPol
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   AlertPolicyName name =
    *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]");
@@ -751,8 +814,11 @@ public final void deleteAlertPolicy(AlertPolicyName 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   String name =
    *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]").toString();
@@ -777,8 +843,11 @@ public final void deleteAlertPolicy(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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   DeleteAlertPolicyRequest request =
    *       DeleteAlertPolicyRequest.newBuilder()
@@ -804,8 +873,11 @@ public final void deleteAlertPolicy(DeleteAlertPolicyRequest 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   DeleteAlertPolicyRequest request =
    *       DeleteAlertPolicyRequest.newBuilder()
@@ -833,8 +905,11 @@ public final UnaryCallable<DeleteAlertPolicyRequest, Empty> deleteAlertPolicyCal
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   FieldMask updateMask = FieldMask.newBuilder().build();
    *   AlertPolicy alertPolicy = AlertPolicy.newBuilder().build();
@@ -880,8 +955,11 @@ public final AlertPolicy updateAlertPolicy(FieldMask updateMask, AlertPolicy ale
    * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   UpdateAlertPolicyRequest request =
    *       UpdateAlertPolicyRequest.newBuilder()
@@ -908,8 +986,11 @@ public final AlertPolicy updateAlertPolicy(UpdateAlertPolicyRequest 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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
    *   UpdateAlertPolicyRequest request =
    *       UpdateAlertPolicyRequest.newBuilder()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
index 1660c6ba..3ec1ce9a 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/AlertPolicyServiceSettings.java
@@ -60,8 +60,11 @@
  * <p>For example, to set the total timeout of getAlertPolicy 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
  * AlertPolicyServiceSettings.Builder alertPolicyServiceSettingsBuilder =
  *     AlertPolicyServiceSettings.newBuilder();
  * alertPolicyServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
index bc92cc52..9f44034d 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceClient.java
@@ -63,8 +63,11 @@
  * 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
  *   GroupName name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]");
  *   Group response = groupServiceClient.getGroup(name);
@@ -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
  * GroupServiceSettings groupServiceSettings =
  *     GroupServiceSettings.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
  * GroupServiceSettings groupServiceSettings =
  *     GroupServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * GroupServiceClient groupServiceClient = GroupServiceClient.create(groupServiceSettings);
@@ -177,8 +186,11 @@ public GroupServiceStub 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   for (Group element : groupServiceClient.listGroups(name).iterateAll()) {
@@ -205,8 +217,11 @@ public final ListGroupsPagedResponse listGroups(ResourceName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   for (Group element : groupServiceClient.listGroups(name).iterateAll()) {
@@ -233,8 +248,11 @@ public final ListGroupsPagedResponse listGroups(OrganizationName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   for (Group element : groupServiceClient.listGroups(name).iterateAll()) {
@@ -261,8 +279,11 @@ public final ListGroupsPagedResponse listGroups(ProjectName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   for (Group element : groupServiceClient.listGroups(name).iterateAll()) {
@@ -288,8 +309,11 @@ public final ListGroupsPagedResponse listGroups(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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupsRequest request =
    *       ListGroupsRequest.newBuilder()
@@ -317,8 +341,11 @@ public final ListGroupsPagedResponse listGroups(ListGroupsRequest 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupsRequest request =
    *       ListGroupsRequest.newBuilder()
@@ -345,8 +372,11 @@ public final UnaryCallable<ListGroupsRequest, ListGroupsPagedResponse> listGroup
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupsRequest request =
    *       ListGroupsRequest.newBuilder()
@@ -380,8 +410,11 @@ public final UnaryCallable<ListGroupsRequest, ListGroupsResponse> listGroupsCall
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   GroupName name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]");
    *   Group response = groupServiceClient.getGroup(name);
@@ -405,8 +438,11 @@ public final Group getGroup(GroupName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   String name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]").toString();
    *   Group response = groupServiceClient.getGroup(name);
@@ -429,8 +465,11 @@ public final Group getGroup(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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   GetGroupRequest request =
    *       GetGroupRequest.newBuilder()
@@ -454,8 +493,11 @@ public final Group getGroup(GetGroupRequest 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   GetGroupRequest request =
    *       GetGroupRequest.newBuilder()
@@ -478,8 +520,11 @@ public final UnaryCallable<GetGroupRequest, Group> getGroupCallable() {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   Group group = Group.newBuilder().build();
@@ -510,8 +555,11 @@ public final Group createGroup(ResourceName name, Group group) {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   Group group = Group.newBuilder().build();
@@ -542,8 +590,11 @@ public final Group createGroup(OrganizationName name, Group group) {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   Group group = Group.newBuilder().build();
@@ -574,8 +625,11 @@ public final Group createGroup(ProjectName name, Group group) {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   Group group = Group.newBuilder().build();
@@ -603,8 +657,11 @@ public final Group createGroup(String name, Group group) {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   CreateGroupRequest request =
    *       CreateGroupRequest.newBuilder()
@@ -630,8 +687,11 @@ public final Group createGroup(CreateGroupRequest 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   CreateGroupRequest request =
    *       CreateGroupRequest.newBuilder()
@@ -656,8 +716,11 @@ public final UnaryCallable<CreateGroupRequest, Group> createGroupCallable() {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   Group group = Group.newBuilder().build();
    *   Group response = groupServiceClient.updateGroup(group);
@@ -680,8 +743,11 @@ public final Group updateGroup(Group group) {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   UpdateGroupRequest request =
    *       UpdateGroupRequest.newBuilder()
@@ -706,8 +772,11 @@ public final Group updateGroup(UpdateGroupRequest 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   UpdateGroupRequest request =
    *       UpdateGroupRequest.newBuilder()
@@ -731,8 +800,11 @@ public final UnaryCallable<UpdateGroupRequest, Group> updateGroupCallable() {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   GroupName name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]");
    *   groupServiceClient.deleteGroup(name);
@@ -756,8 +828,11 @@ public final void deleteGroup(GroupName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   String name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]").toString();
    *   groupServiceClient.deleteGroup(name);
@@ -780,8 +855,11 @@ public final void deleteGroup(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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   DeleteGroupRequest request =
    *       DeleteGroupRequest.newBuilder()
@@ -806,8 +884,11 @@ public final void deleteGroup(DeleteGroupRequest 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   DeleteGroupRequest request =
    *       DeleteGroupRequest.newBuilder()
@@ -831,8 +912,11 @@ public final UnaryCallable<DeleteGroupRequest, Empty> deleteGroupCallable() {
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   GroupName name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]");
    *   for (MonitoredResource element : groupServiceClient.listGroupMembers(name).iterateAll()) {
@@ -858,8 +942,11 @@ public final ListGroupMembersPagedResponse listGroupMembers(GroupName 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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   String name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]").toString();
    *   for (MonitoredResource element : groupServiceClient.listGroupMembers(name).iterateAll()) {
@@ -884,8 +971,11 @@ public final ListGroupMembersPagedResponse listGroupMembers(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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupMembersRequest request =
    *       ListGroupMembersRequest.newBuilder()
@@ -915,8 +1005,11 @@ public final ListGroupMembersPagedResponse listGroupMembers(ListGroupMembersRequ
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupMembersRequest request =
    *       ListGroupMembersRequest.newBuilder()
@@ -947,8 +1040,11 @@ public final ListGroupMembersPagedResponse listGroupMembers(ListGroupMembersRequ
    * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
    *   ListGroupMembersRequest request =
    *       ListGroupMembersRequest.newBuilder()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
index c989d8c8..916eca23 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/GroupServiceSettings.java
@@ -63,16 +63,16 @@
  * <p>For example, to set the total timeout of getGroup 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
  * GroupServiceSettings.Builder groupServiceSettingsBuilder = GroupServiceSettings.newBuilder();
  * groupServiceSettingsBuilder
  *     .getGroupSettings()
  *     .setRetrySettings(
- *         groupServiceSettingsBuilder
- *             .getGroupSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         groupServiceSettingsBuilder.getGroupSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * GroupServiceSettings groupServiceSettings = groupServiceSettingsBuilder.build();
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
index 71345973..22bae8a9 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceClient.java
@@ -62,8 +62,11 @@
  * 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
  *   MonitoredResourceDescriptorName name =
  *       MonitoredResourceDescriptorName.ofProjectMonitoredResourceDescriptorName(
@@ -102,8 +105,11 @@
  * <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
  * MetricServiceSettings metricServiceSettings =
  *     MetricServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -114,8 +120,11 @@
  * <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
  * MetricServiceSettings metricServiceSettings =
  *     MetricServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * MetricServiceClient metricServiceClient = MetricServiceClient.create(metricServiceSettings);
@@ -181,8 +190,11 @@ public MetricServiceStub 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   for (MonitoredResourceDescriptor element :
@@ -214,8 +226,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   for (MonitoredResourceDescriptor element :
@@ -247,8 +262,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   for (MonitoredResourceDescriptor element :
@@ -280,8 +298,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   for (MonitoredResourceDescriptor element :
@@ -311,8 +332,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMonitoredResourceDescriptorsRequest request =
    *       ListMonitoredResourceDescriptorsRequest.newBuilder()
@@ -344,8 +368,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMonitoredResourceDescriptorsRequest request =
    *       ListMonitoredResourceDescriptorsRequest.newBuilder()
@@ -377,8 +404,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMonitoredResourceDescriptorsRequest request =
    *       ListMonitoredResourceDescriptorsRequest.newBuilder()
@@ -416,8 +446,11 @@ public final ListMonitoredResourceDescriptorsPagedResponse listMonitoredResource
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   MonitoredResourceDescriptorName name =
    *       MonitoredResourceDescriptorName.ofProjectMonitoredResourceDescriptorName(
@@ -448,8 +481,11 @@ public final MonitoredResourceDescriptor getMonitoredResourceDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name =
    *       MonitoredResourceDescriptorName.ofProjectMonitoredResourceDescriptorName(
@@ -478,8 +514,11 @@ public final MonitoredResourceDescriptor getMonitoredResourceDescriptor(String n
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   GetMonitoredResourceDescriptorRequest request =
    *       GetMonitoredResourceDescriptorRequest.newBuilder()
@@ -508,8 +547,11 @@ public final MonitoredResourceDescriptor getMonitoredResourceDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   GetMonitoredResourceDescriptorRequest request =
    *       GetMonitoredResourceDescriptorRequest.newBuilder()
@@ -537,8 +579,11 @@ public final MonitoredResourceDescriptor getMonitoredResourceDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   for (MetricDescriptor element :
@@ -568,8 +613,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(ResourceNa
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   for (MetricDescriptor element :
@@ -599,8 +647,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(Organizati
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   for (MetricDescriptor element :
@@ -630,8 +681,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(ProjectNam
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   for (MetricDescriptor element :
@@ -659,8 +713,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(String nam
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMetricDescriptorsRequest request =
    *       ListMetricDescriptorsRequest.newBuilder()
@@ -691,8 +748,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMetricDescriptorsRequest request =
    *       ListMetricDescriptorsRequest.newBuilder()
@@ -722,8 +782,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListMetricDescriptorsRequest request =
    *       ListMetricDescriptorsRequest.newBuilder()
@@ -760,8 +823,11 @@ public final ListMetricDescriptorsPagedResponse listMetricDescriptors(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   MetricDescriptorName name =
    *       MetricDescriptorName.ofProjectMetricDescriptorName("[PROJECT]", "[METRIC_DESCRIPTOR]");
@@ -790,8 +856,11 @@ public final MetricDescriptor getMetricDescriptor(MetricDescriptorName 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name =
    *       MetricDescriptorName.ofProjectMetricDescriptorName("[PROJECT]", "[METRIC_DESCRIPTOR]")
@@ -819,8 +888,11 @@ public final MetricDescriptor getMetricDescriptor(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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   GetMetricDescriptorRequest request =
    *       GetMetricDescriptorRequest.newBuilder()
@@ -847,8 +919,11 @@ public final MetricDescriptor getMetricDescriptor(GetMetricDescriptorRequest req
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   GetMetricDescriptorRequest request =
    *       GetMetricDescriptorRequest.newBuilder()
@@ -878,8 +953,11 @@ public final MetricDescriptor getMetricDescriptor(GetMetricDescriptorRequest req
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   MetricDescriptor metricDescriptor = MetricDescriptor.newBuilder().build();
@@ -913,8 +991,11 @@ public final MetricDescriptor createMetricDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   MetricDescriptor metricDescriptor = MetricDescriptor.newBuilder().build();
@@ -948,8 +1029,11 @@ public final MetricDescriptor createMetricDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   MetricDescriptor metricDescriptor = MetricDescriptor.newBuilder().build();
@@ -983,8 +1067,11 @@ public final MetricDescriptor createMetricDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   MetricDescriptor metricDescriptor = MetricDescriptor.newBuilder().build();
@@ -1018,8 +1105,11 @@ public final MetricDescriptor createMetricDescriptor(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateMetricDescriptorRequest request =
    *       CreateMetricDescriptorRequest.newBuilder()
@@ -1046,8 +1136,11 @@ public final MetricDescriptor createMetricDescriptor(CreateMetricDescriptorReque
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateMetricDescriptorRequest request =
    *       CreateMetricDescriptorRequest.newBuilder()
@@ -1074,8 +1167,11 @@ public final MetricDescriptor createMetricDescriptor(CreateMetricDescriptorReque
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   MetricDescriptorName name =
    *       MetricDescriptorName.ofProjectMetricDescriptorName("[PROJECT]", "[METRIC_DESCRIPTOR]");
@@ -1104,8 +1200,11 @@ public final void deleteMetricDescriptor(MetricDescriptorName 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name =
    *       MetricDescriptorName.ofProjectMetricDescriptorName("[PROJECT]", "[METRIC_DESCRIPTOR]")
@@ -1133,8 +1232,11 @@ public final void deleteMetricDescriptor(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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   DeleteMetricDescriptorRequest request =
    *       DeleteMetricDescriptorRequest.newBuilder()
@@ -1162,8 +1264,11 @@ public final void deleteMetricDescriptor(DeleteMetricDescriptorRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   DeleteMetricDescriptorRequest request =
    *       DeleteMetricDescriptorRequest.newBuilder()
@@ -1191,8 +1296,11 @@ public final void deleteMetricDescriptor(DeleteMetricDescriptorRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
    *   String filter = "filter-1274492040";
@@ -1241,8 +1349,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
    *   String filter = "filter-1274492040";
@@ -1291,8 +1402,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   String filter = "filter-1274492040";
@@ -1341,8 +1455,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   String filter = "filter-1274492040";
@@ -1391,8 +1508,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListTimeSeriesRequest request =
    *       ListTimeSeriesRequest.newBuilder()
@@ -1425,8 +1545,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(ListTimeSeriesRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListTimeSeriesRequest request =
    *       ListTimeSeriesRequest.newBuilder()
@@ -1460,8 +1583,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(ListTimeSeriesRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ListTimeSeriesRequest request =
    *       ListTimeSeriesRequest.newBuilder()
@@ -1504,8 +1630,11 @@ public final ListTimeSeriesPagedResponse listTimeSeries(ListTimeSeriesRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   List<TimeSeries> timeSeries = new ArrayList<>();
@@ -1541,8 +1670,11 @@ public final void createTimeSeries(ProjectName name, List<TimeSeries> timeSeries
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   List<TimeSeries> timeSeries = new ArrayList<>();
@@ -1575,8 +1707,11 @@ public final void createTimeSeries(String name, List<TimeSeries> timeSeries) {
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateTimeSeriesRequest request =
    *       CreateTimeSeriesRequest.newBuilder()
@@ -1603,8 +1738,11 @@ public final void createTimeSeries(CreateTimeSeriesRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateTimeSeriesRequest request =
    *       CreateTimeSeriesRequest.newBuilder()
@@ -1633,8 +1771,11 @@ public final UnaryCallable<CreateTimeSeriesRequest, Empty> createTimeSeriesCalla
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
    *   List<TimeSeries> timeSeries = new ArrayList<>();
@@ -1673,8 +1814,11 @@ public final void createServiceTimeSeries(ProjectName name, List<TimeSeries> tim
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
    *   List<TimeSeries> timeSeries = new ArrayList<>();
@@ -1710,8 +1854,11 @@ public final void createServiceTimeSeries(String name, List<TimeSeries> timeSeri
    * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateTimeSeriesRequest request =
    *       CreateTimeSeriesRequest.newBuilder()
@@ -1741,8 +1888,11 @@ public final void createServiceTimeSeries(CreateTimeSeriesRequest 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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
    *   CreateTimeSeriesRequest request =
    *       CreateTimeSeriesRequest.newBuilder()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
index 0934f850..114f3424 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/MetricServiceSettings.java
@@ -68,8 +68,11 @@
  * <p>For example, to set the total timeout of getMonitoredResourceDescriptor 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
  * MetricServiceSettings.Builder metricServiceSettingsBuilder = MetricServiceSettings.newBuilder();
  * metricServiceSettingsBuilder
  *     .getMonitoredResourceDescriptorSettings()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
index 7bebfbcc..4f69f66c 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceClient.java
@@ -63,8 +63,11 @@
  * 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 (NotificationChannelServiceClient notificationChannelServiceClient =
  *     NotificationChannelServiceClient.create()) {
  *   NotificationChannelDescriptorName name =
@@ -105,8 +108,11 @@
  * <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
  * NotificationChannelServiceSettings notificationChannelServiceSettings =
  *     NotificationChannelServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -118,8 +124,11 @@
  * <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
  * NotificationChannelServiceSettings notificationChannelServiceSettings =
  *     NotificationChannelServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * NotificationChannelServiceClient notificationChannelServiceClient =
@@ -188,8 +197,11 @@ public NotificationChannelServiceStub 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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
@@ -227,8 +239,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
@@ -266,8 +281,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
@@ -305,8 +323,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
@@ -342,8 +363,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelDescriptorsRequest request =
@@ -377,8 +401,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelDescriptorsRequest request =
@@ -413,8 +440,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelDescriptorsRequest request =
@@ -455,8 +485,11 @@ public final ListNotificationChannelDescriptorsPagedResponse listNotificationCha
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelDescriptorName name =
@@ -488,8 +521,11 @@ public final NotificationChannelDescriptor getNotificationChannelDescriptor(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -519,8 +555,11 @@ public final NotificationChannelDescriptor getNotificationChannelDescriptor(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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelDescriptorRequest request =
@@ -551,8 +590,11 @@ public final NotificationChannelDescriptor getNotificationChannelDescriptor(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelDescriptorRequest request =
@@ -583,8 +625,11 @@ public final NotificationChannelDescriptor getNotificationChannelDescriptor(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
@@ -619,8 +664,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(Reso
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
@@ -656,8 +704,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
@@ -692,8 +743,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(Proj
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
@@ -726,8 +780,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelsRequest request =
@@ -760,8 +817,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelsRequest request =
@@ -795,8 +855,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ListNotificationChannelsRequest request =
@@ -838,8 +901,11 @@ public final ListNotificationChannelsPagedResponse listNotificationChannels(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelName name =
@@ -871,8 +937,11 @@ public final NotificationChannel getNotificationChannel(NotificationChannelName
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -903,8 +972,11 @@ public final NotificationChannel getNotificationChannel(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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelRequest request =
@@ -936,8 +1008,11 @@ public final NotificationChannel getNotificationChannel(GetNotificationChannelRe
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelRequest request =
@@ -967,8 +1042,11 @@ public final NotificationChannel getNotificationChannel(GetNotificationChannelRe
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ResourceName name = ResourceName.of("[FOLDER]");
@@ -1006,8 +1084,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   OrganizationName name = OrganizationName.of("[ORGANIZATION]");
@@ -1045,8 +1126,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   ProjectName name = ProjectName.of("[PROJECT]");
@@ -1084,8 +1168,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name = ProjectName.of("[PROJECT]").toString();
@@ -1123,8 +1210,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   CreateNotificationChannelRequest request =
@@ -1153,8 +1243,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   CreateNotificationChannelRequest request =
@@ -1181,8 +1274,11 @@ public final NotificationChannel createNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1216,8 +1312,11 @@ public final NotificationChannel updateNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   UpdateNotificationChannelRequest request =
@@ -1245,8 +1344,11 @@ public final NotificationChannel updateNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   UpdateNotificationChannelRequest request =
@@ -1273,8 +1375,11 @@ public final NotificationChannel updateNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelName name =
@@ -1309,8 +1414,11 @@ public final void deleteNotificationChannel(NotificationChannelName name, boolea
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -1343,8 +1451,11 @@ public final void deleteNotificationChannel(String name, boolean force) {
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   DeleteNotificationChannelRequest request =
@@ -1373,8 +1484,11 @@ public final void deleteNotificationChannel(DeleteNotificationChannelRequest req
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   DeleteNotificationChannelRequest request =
@@ -1405,8 +1519,11 @@ public final void deleteNotificationChannel(DeleteNotificationChannelRequest req
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelName name =
@@ -1435,8 +1552,11 @@ public final void sendNotificationChannelVerificationCode(NotificationChannelNam
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -1464,8 +1584,11 @@ public final void sendNotificationChannelVerificationCode(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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   SendNotificationChannelVerificationCodeRequest request =
@@ -1495,8 +1618,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   SendNotificationChannelVerificationCodeRequest request =
@@ -1542,8 +1668,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelName name =
@@ -1590,8 +1719,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -1637,8 +1769,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelVerificationCodeRequest request =
@@ -1685,8 +1820,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   GetNotificationChannelVerificationCodeRequest request =
@@ -1721,8 +1859,11 @@ public final void sendNotificationChannelVerificationCode(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   NotificationChannelName name =
@@ -1761,8 +1902,11 @@ public final NotificationChannel verifyNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   String name =
@@ -1798,8 +1942,11 @@ public final NotificationChannel verifyNotificationChannel(String name, String c
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   VerifyNotificationChannelRequest request =
@@ -1831,8 +1978,11 @@ public final NotificationChannel verifyNotificationChannel(
    * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
    *     NotificationChannelServiceClient.create()) {
    *   VerifyNotificationChannelRequest request =
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
index a8c2e3d9..9c9966c2 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/NotificationChannelServiceSettings.java
@@ -69,8 +69,11 @@
  * <p>For example, to set the total timeout of getNotificationChannelDescriptor 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
  * NotificationChannelServiceSettings.Builder notificationChannelServiceSettingsBuilder =
  *     NotificationChannelServiceSettings.newBuilder();
  * notificationChannelServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
index a6fb49b5..56bb8711 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceClient.java
@@ -45,8 +45,11 @@
  * 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 (QueryServiceClient queryServiceClient = QueryServiceClient.create()) {
  *   QueryTimeSeriesRequest request =
  *       QueryTimeSeriesRequest.newBuilder()
@@ -90,8 +93,11 @@
  * <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
  * QueryServiceSettings queryServiceSettings =
  *     QueryServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -102,8 +108,11 @@
  * <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
  * QueryServiceSettings queryServiceSettings =
  *     QueryServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * QueryServiceClient queryServiceClient = QueryServiceClient.create(queryServiceSettings);
@@ -167,8 +176,11 @@ public QueryServiceStub 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 (QueryServiceClient queryServiceClient = QueryServiceClient.create()) {
    *   QueryTimeSeriesRequest request =
    *       QueryTimeSeriesRequest.newBuilder()
@@ -197,8 +209,11 @@ public final QueryTimeSeriesPagedResponse queryTimeSeries(QueryTimeSeriesRequest
    * <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 (QueryServiceClient queryServiceClient = QueryServiceClient.create()) {
    *   QueryTimeSeriesRequest request =
    *       QueryTimeSeriesRequest.newBuilder()
@@ -228,8 +243,11 @@ public final QueryTimeSeriesPagedResponse queryTimeSeries(QueryTimeSeriesRequest
    * <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 (QueryServiceClient queryServiceClient = QueryServiceClient.create()) {
    *   QueryTimeSeriesRequest request =
    *       QueryTimeSeriesRequest.newBuilder()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
index 196ba3b0..9edd0ad3 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/QueryServiceSettings.java
@@ -54,16 +54,16 @@
  * <p>For example, to set the total timeout of queryTimeSeries 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
  * QueryServiceSettings.Builder queryServiceSettingsBuilder = QueryServiceSettings.newBuilder();
  * queryServiceSettingsBuilder
  *     .queryTimeSeriesSettings()
  *     .setRetrySettings(
- *         queryServiceSettingsBuilder
- *             .queryTimeSeriesSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         queryServiceSettingsBuilder.queryTimeSeriesSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * QueryServiceSettings queryServiceSettings = queryServiceSettingsBuilder.build();
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
index b42804b8..cc927453 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient.java
@@ -62,8 +62,11 @@
  * 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
  *     ServiceMonitoringServiceClient.create()) {
  *   ResourceName parent = ResourceName.of("[FOLDER]");
@@ -102,8 +105,11 @@
  * <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
  * ServiceMonitoringServiceSettings serviceMonitoringServiceSettings =
  *     ServiceMonitoringServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -115,8 +121,11 @@
  * <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
  * ServiceMonitoringServiceSettings serviceMonitoringServiceSettings =
  *     ServiceMonitoringServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ServiceMonitoringServiceClient serviceMonitoringServiceClient =
@@ -184,8 +193,11 @@ public ServiceMonitoringServiceStub 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ResourceName parent = ResourceName.of("[FOLDER]");
@@ -217,8 +229,11 @@ public final Service createService(ResourceName parent, Service service) {
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   OrganizationName parent = OrganizationName.of("[ORGANIZATION]");
@@ -250,8 +265,11 @@ public final Service createService(OrganizationName parent, Service service) {
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ProjectName parent = ProjectName.of("[PROJECT]");
@@ -283,8 +301,11 @@ public final Service createService(ProjectName parent, Service service) {
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String parent = ProjectName.of("[PROJECT]").toString();
@@ -313,8 +334,11 @@ public final Service createService(String parent, Service service) {
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   CreateServiceRequest request =
@@ -341,8 +365,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   CreateServiceRequest request =
@@ -369,8 +396,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceName name = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]");
@@ -395,8 +425,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String name = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]").toString();
@@ -420,8 +453,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   GetServiceRequest request =
@@ -446,8 +482,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   GetServiceRequest request =
@@ -472,8 +511,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ResourceName parent = ResourceName.of("[FOLDER]");
@@ -504,8 +546,11 @@ public final ListServicesPagedResponse listServices(ResourceName 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   OrganizationName parent = OrganizationName.of("[ORGANIZATION]");
@@ -536,8 +581,11 @@ public final ListServicesPagedResponse listServices(OrganizationName 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ProjectName parent = ProjectName.of("[PROJECT]");
@@ -568,8 +616,11 @@ public final ListServicesPagedResponse listServices(ProjectName 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String parent = ProjectName.of("[PROJECT]").toString();
@@ -597,8 +648,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServicesRequest request =
@@ -628,8 +682,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServicesRequest request =
@@ -660,8 +717,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServicesRequest request =
@@ -698,8 +758,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   Service service = Service.newBuilder().build();
@@ -723,8 +786,11 @@ public final Service updateService(Service service) {
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   UpdateServiceRequest request =
@@ -750,8 +816,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   UpdateServiceRequest request =
@@ -777,8 +846,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceName name = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]");
@@ -803,8 +875,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String name = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]").toString();
@@ -828,8 +903,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   DeleteServiceRequest request =
@@ -854,8 +932,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   DeleteServiceRequest request =
@@ -880,8 +961,11 @@ 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceName parent = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]");
@@ -914,8 +998,11 @@ public final ServiceLevelObjective createServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String parent = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]").toString();
@@ -948,8 +1035,11 @@ public final ServiceLevelObjective createServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   CreateServiceLevelObjectiveRequest request =
@@ -978,8 +1068,11 @@ public final ServiceLevelObjective createServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   CreateServiceLevelObjectiveRequest request =
@@ -1007,8 +1100,11 @@ public final ServiceLevelObjective createServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceLevelObjectiveName name =
@@ -1038,8 +1134,11 @@ public final ServiceLevelObjective getServiceLevelObjective(ServiceLevelObjectiv
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String name =
@@ -1068,8 +1167,11 @@ public final ServiceLevelObjective getServiceLevelObjective(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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   GetServiceLevelObjectiveRequest request =
@@ -1099,8 +1201,11 @@ public final ServiceLevelObjective getServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   GetServiceLevelObjectiveRequest request =
@@ -1129,8 +1234,11 @@ public final ServiceLevelObjective getServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceName parent = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]");
@@ -1163,8 +1271,11 @@ public final ListServiceLevelObjectivesPagedResponse listServiceLevelObjectives(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String parent = ServiceName.ofProjectServiceName("[PROJECT]", "[SERVICE]").toString();
@@ -1194,8 +1305,11 @@ public final ListServiceLevelObjectivesPagedResponse listServiceLevelObjectives(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServiceLevelObjectivesRequest request =
@@ -1227,8 +1341,11 @@ public final ListServiceLevelObjectivesPagedResponse listServiceLevelObjectives(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServiceLevelObjectivesRequest request =
@@ -1262,8 +1379,11 @@ public final ListServiceLevelObjectivesPagedResponse listServiceLevelObjectives(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ListServiceLevelObjectivesRequest request =
@@ -1301,8 +1421,11 @@ public final ListServiceLevelObjectivesPagedResponse listServiceLevelObjectives(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceLevelObjective serviceLevelObjective = ServiceLevelObjective.newBuilder().build();
@@ -1331,8 +1454,11 @@ public final ServiceLevelObjective updateServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   UpdateServiceLevelObjectiveRequest request =
@@ -1360,8 +1486,11 @@ public final ServiceLevelObjective updateServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   UpdateServiceLevelObjectiveRequest request =
@@ -1388,8 +1517,11 @@ public final ServiceLevelObjective updateServiceLevelObjective(
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   ServiceLevelObjectiveName name =
@@ -1418,8 +1550,11 @@ public final void deleteServiceLevelObjective(ServiceLevelObjectiveName 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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   String name =
@@ -1447,8 +1582,11 @@ public final void deleteServiceLevelObjective(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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   DeleteServiceLevelObjectiveRequest request =
@@ -1476,8 +1614,11 @@ public final void deleteServiceLevelObjective(DeleteServiceLevelObjectiveRequest
    * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
    *     ServiceMonitoringServiceClient.create()) {
    *   DeleteServiceLevelObjectiveRequest request =
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
index a8e60ab6..7dfe4634 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/ServiceMonitoringServiceSettings.java
@@ -68,8 +68,11 @@
  * <p>For example, to set the total timeout of createService 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
  * ServiceMonitoringServiceSettings.Builder serviceMonitoringServiceSettingsBuilder =
  *     ServiceMonitoringServiceSettings.newBuilder();
  * serviceMonitoringServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
index 0f429916..1bbe954b 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceClient.java
@@ -60,8 +60,11 @@
  * 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
  *   UptimeCheckConfigName name =
  *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName(
@@ -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
  * UptimeCheckServiceSettings uptimeCheckServiceSettings =
  *     UptimeCheckServiceSettings.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
  * UptimeCheckServiceSettings uptimeCheckServiceSettings =
  *     UptimeCheckServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * UptimeCheckServiceClient uptimeCheckServiceClient =
@@ -181,8 +190,11 @@ public UptimeCheckServiceStub 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ResourceName parent = ResourceName.of("[FOLDER]");
    *   for (UptimeCheckConfig element :
@@ -213,8 +225,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(Resource
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   OrganizationName parent = OrganizationName.of("[ORGANIZATION]");
    *   for (UptimeCheckConfig element :
@@ -245,8 +260,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(Organiza
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ProjectName parent = ProjectName.of("[PROJECT]");
    *   for (UptimeCheckConfig element :
@@ -277,8 +295,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(ProjectN
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   String parent = ProjectName.of("[PROJECT]").toString();
    *   for (UptimeCheckConfig element :
@@ -307,8 +328,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(String p
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckConfigsRequest request =
    *       ListUptimeCheckConfigsRequest.newBuilder()
@@ -339,8 +363,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckConfigsRequest request =
    *       ListUptimeCheckConfigsRequest.newBuilder()
@@ -370,8 +397,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckConfigsRequest request =
    *       ListUptimeCheckConfigsRequest.newBuilder()
@@ -407,8 +437,11 @@ public final ListUptimeCheckConfigsPagedResponse listUptimeCheckConfigs(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   UptimeCheckConfigName name =
    *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName(
@@ -436,8 +469,11 @@ public final UptimeCheckConfig getUptimeCheckConfig(UptimeCheckConfigName 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   String name =
    *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
@@ -463,8 +499,11 @@ public final UptimeCheckConfig getUptimeCheckConfig(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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   GetUptimeCheckConfigRequest request =
    *       GetUptimeCheckConfigRequest.newBuilder()
@@ -491,8 +530,11 @@ public final UptimeCheckConfig getUptimeCheckConfig(GetUptimeCheckConfigRequest
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   GetUptimeCheckConfigRequest request =
    *       GetUptimeCheckConfigRequest.newBuilder()
@@ -520,8 +562,11 @@ public final UptimeCheckConfig getUptimeCheckConfig(GetUptimeCheckConfigRequest
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ResourceName parent = ResourceName.of("[FOLDER]");
    *   UptimeCheckConfig uptimeCheckConfig = UptimeCheckConfig.newBuilder().build();
@@ -553,8 +598,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   OrganizationName parent = OrganizationName.of("[ORGANIZATION]");
    *   UptimeCheckConfig uptimeCheckConfig = UptimeCheckConfig.newBuilder().build();
@@ -586,8 +634,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ProjectName parent = ProjectName.of("[PROJECT]");
    *   UptimeCheckConfig uptimeCheckConfig = UptimeCheckConfig.newBuilder().build();
@@ -619,8 +670,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   String parent = ProjectName.of("[PROJECT]").toString();
    *   UptimeCheckConfig uptimeCheckConfig = UptimeCheckConfig.newBuilder().build();
@@ -652,8 +706,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   CreateUptimeCheckConfigRequest request =
    *       CreateUptimeCheckConfigRequest.newBuilder()
@@ -678,8 +735,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(CreateUptimeCheckConfigRe
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   CreateUptimeCheckConfigRequest request =
    *       CreateUptimeCheckConfigRequest.newBuilder()
@@ -707,8 +767,11 @@ public final UptimeCheckConfig createUptimeCheckConfig(CreateUptimeCheckConfigRe
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   UptimeCheckConfig uptimeCheckConfig = UptimeCheckConfig.newBuilder().build();
    *   UptimeCheckConfig response =
@@ -741,8 +804,11 @@ public final UptimeCheckConfig updateUptimeCheckConfig(UptimeCheckConfig uptimeC
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   UpdateUptimeCheckConfigRequest request =
    *       UpdateUptimeCheckConfigRequest.newBuilder()
@@ -769,8 +835,11 @@ public final UptimeCheckConfig updateUptimeCheckConfig(UpdateUptimeCheckConfigRe
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   UpdateUptimeCheckConfigRequest request =
    *       UpdateUptimeCheckConfigRequest.newBuilder()
@@ -798,8 +867,11 @@ public final UptimeCheckConfig updateUptimeCheckConfig(UpdateUptimeCheckConfigRe
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   UptimeCheckConfigName name =
    *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName(
@@ -829,8 +901,11 @@ public final void deleteUptimeCheckConfig(UptimeCheckConfigName 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   String name =
    *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
@@ -858,8 +933,11 @@ public final void deleteUptimeCheckConfig(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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   DeleteUptimeCheckConfigRequest request =
    *       DeleteUptimeCheckConfigRequest.newBuilder()
@@ -888,8 +966,11 @@ public final void deleteUptimeCheckConfig(DeleteUptimeCheckConfigRequest 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   DeleteUptimeCheckConfigRequest request =
    *       DeleteUptimeCheckConfigRequest.newBuilder()
@@ -917,8 +998,11 @@ public final void deleteUptimeCheckConfig(DeleteUptimeCheckConfigRequest 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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckIpsRequest request =
    *       ListUptimeCheckIpsRequest.newBuilder()
@@ -947,8 +1031,11 @@ public final ListUptimeCheckIpsPagedResponse listUptimeCheckIps(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckIpsRequest request =
    *       ListUptimeCheckIpsRequest.newBuilder()
@@ -976,8 +1063,11 @@ public final ListUptimeCheckIpsPagedResponse listUptimeCheckIps(
    * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
    *   ListUptimeCheckIpsRequest request =
    *       ListUptimeCheckIpsRequest.newBuilder()
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
index 20759fd3..83ee7c1c 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/UptimeCheckServiceSettings.java
@@ -63,8 +63,11 @@
  * <p>For example, to set the total timeout of getUptimeCheckConfig 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
  * UptimeCheckServiceSettings.Builder uptimeCheckServiceSettingsBuilder =
  *     UptimeCheckServiceSettings.newBuilder();
  * uptimeCheckServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/package-info.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/package-info.java
index a57c9b9e..8fb6a90c 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/package-info.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/package-info.java
@@ -31,8 +31,11 @@
  * <p>Sample for AlertPolicyServiceClient:
  *
  * <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 (AlertPolicyServiceClient alertPolicyServiceClient = AlertPolicyServiceClient.create()) {
  *   AlertPolicyName name =
  *       AlertPolicyName.ofProjectAlertPolicyName("[PROJECT]", "[ALERT_POLICY]");
@@ -55,8 +58,11 @@
  * <p>Sample for GroupServiceClient:
  *
  * <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 (GroupServiceClient groupServiceClient = GroupServiceClient.create()) {
  *   GroupName name = GroupName.ofProjectGroupName("[PROJECT]", "[GROUP]");
  *   Group response = groupServiceClient.getGroup(name);
@@ -71,8 +77,11 @@
  * <p>Sample for MetricServiceClient:
  *
  * <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 (MetricServiceClient metricServiceClient = MetricServiceClient.create()) {
  *   MonitoredResourceDescriptorName name =
  *       MonitoredResourceDescriptorName.ofProjectMonitoredResourceDescriptorName(
@@ -90,8 +99,11 @@
  * <p>Sample for NotificationChannelServiceClient:
  *
  * <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 (NotificationChannelServiceClient notificationChannelServiceClient =
  *     NotificationChannelServiceClient.create()) {
  *   NotificationChannelDescriptorName name =
@@ -111,8 +123,11 @@
  * <p>Sample for QueryServiceClient:
  *
  * <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 (QueryServiceClient queryServiceClient = QueryServiceClient.create()) {
  *   QueryTimeSeriesRequest request =
  *       QueryTimeSeriesRequest.newBuilder()
@@ -136,8 +151,11 @@
  * <p>Sample for ServiceMonitoringServiceClient:
  *
  * <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 (ServiceMonitoringServiceClient serviceMonitoringServiceClient =
  *     ServiceMonitoringServiceClient.create()) {
  *   FolderName parent = FolderName.of("[FOLDER]");
@@ -158,8 +176,11 @@
  * <p>Sample for UptimeCheckServiceClient:
  *
  * <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 (UptimeCheckServiceClient uptimeCheckServiceClient = UptimeCheckServiceClient.create()) {
  *   UptimeCheckConfigName name =
  *       UptimeCheckConfigName.ofProjectUptimeCheckConfigName(
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
index b3bbdcda..7c0408e7 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/AlertPolicyServiceStubSettings.java
@@ -75,8 +75,11 @@
  * <p>For example, to set the total timeout of getAlertPolicy 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
  * AlertPolicyServiceStubSettings.Builder alertPolicyServiceSettingsBuilder =
  *     AlertPolicyServiceStubSettings.newBuilder();
  * alertPolicyServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
index c8e60781..52f9d536 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/GroupServiceStubSettings.java
@@ -79,17 +79,17 @@
  * <p>For example, to set the total timeout of getGroup 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
  * GroupServiceStubSettings.Builder groupServiceSettingsBuilder =
  *     GroupServiceStubSettings.newBuilder();
  * groupServiceSettingsBuilder
  *     .getGroupSettings()
  *     .setRetrySettings(
- *         groupServiceSettingsBuilder
- *             .getGroupSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         groupServiceSettingsBuilder.getGroupSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * GroupServiceStubSettings groupServiceSettings = groupServiceSettingsBuilder.build();
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
index 16598cdc..70a51bf4 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/MetricServiceStubSettings.java
@@ -84,8 +84,11 @@
  * <p>For example, to set the total timeout of getMonitoredResourceDescriptor 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
  * MetricServiceStubSettings.Builder metricServiceSettingsBuilder =
  *     MetricServiceStubSettings.newBuilder();
  * metricServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
index 2d3c3ef7..40f9c88d 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/NotificationChannelServiceStubSettings.java
@@ -84,8 +84,11 @@
  * <p>For example, to set the total timeout of getNotificationChannelDescriptor 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
  * NotificationChannelServiceStubSettings.Builder notificationChannelServiceSettingsBuilder =
  *     NotificationChannelServiceStubSettings.newBuilder();
  * notificationChannelServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
index 6bc7edac..35b30078 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/QueryServiceStubSettings.java
@@ -69,17 +69,17 @@
  * <p>For example, to set the total timeout of queryTimeSeries 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
  * QueryServiceStubSettings.Builder queryServiceSettingsBuilder =
  *     QueryServiceStubSettings.newBuilder();
  * queryServiceSettingsBuilder
  *     .queryTimeSeriesSettings()
  *     .setRetrySettings(
- *         queryServiceSettingsBuilder
- *             .queryTimeSeriesSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         queryServiceSettingsBuilder.queryTimeSeriesSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * QueryServiceStubSettings queryServiceSettings = queryServiceSettingsBuilder.build();
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
index ea1b600b..7dcdf5ac 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/ServiceMonitoringServiceStubSettings.java
@@ -83,8 +83,11 @@
  * <p>For example, to set the total timeout of createService 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
  * ServiceMonitoringServiceStubSettings.Builder serviceMonitoringServiceSettingsBuilder =
  *     ServiceMonitoringServiceStubSettings.newBuilder();
  * serviceMonitoringServiceSettingsBuilder
diff --git a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
index fe46cea9..fd2d8479 100644
--- a/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
+++ b/google-cloud-monitoring/src/main/java/com/google/cloud/monitoring/v3/stub/UptimeCheckServiceStubSettings.java
@@ -79,8 +79,11 @@
  * <p>For example, to set the total timeout of getUptimeCheckConfig 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
  * UptimeCheckServiceStubSettings.Builder uptimeCheckServiceSettingsBuilder =
  *     UptimeCheckServiceStubSettings.newBuilder();
  * uptimeCheckServiceSettingsBuilder