googleapis
diff --git a/...cloud-optimization/src/main/java/com/google/cloud/optimization/v1/FleetRoutingClient.java b/...cloud-optimization/src/main/java/com/google/cloud/optimization/v1/FleetRoutingClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,6 +47,8 @@
  * 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.
  * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
  *   OptimizeToursRequest request =
  *       OptimizeToursRequest.newBuilder()
@@ -100,6 +102,8 @@
  * <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.
  * FleetRoutingSettings fleetRoutingSettings =
  *     FleetRoutingSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -110,6 +114,8 @@
  * <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.
  * FleetRoutingSettings fleetRoutingSettings =
  *     FleetRoutingSettings.newBuilder().setEndpoint(myEndpoint).build();
  * FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create(fleetRoutingSettings);
@@ -198,6 +204,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
    *   OptimizeToursRequest request =
    *       OptimizeToursRequest.newBuilder()
@@ -247,6 +255,8 @@ public final OptimizeToursResponse optimizeTours(OptimizeToursRequest 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.
    * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
    *   OptimizeToursRequest request =
    *       OptimizeToursRequest.newBuilder()
@@ -292,6 +302,8 @@ public final UnaryCallable<OptimizeToursRequest, OptimizeToursResponse> optimize
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
    *   BatchOptimizeToursRequest request =
    *       BatchOptimizeToursRequest.newBuilder()
@@ -325,6 +337,8 @@ public final UnaryCallable<OptimizeToursRequest, OptimizeToursResponse> optimize
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
    *   BatchOptimizeToursRequest request =
    *       BatchOptimizeToursRequest.newBuilder()
@@ -358,6 +372,8 @@ public final UnaryCallable<OptimizeToursRequest, OptimizeToursResponse> optimize
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
    *   BatchOptimizeToursRequest request =
    *       BatchOptimizeToursRequest.newBuilder()

diff --git a/...oud-optimization/src/main/java/com/google/cloud/optimization/v1/FleetRoutingSettings.java b/...oud-optimization/src/main/java/com/google/cloud/optimization/v1/FleetRoutingSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,8 @@
  * <p>For example, to set the total timeout of optimizeTours to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FleetRoutingSettings.Builder fleetRoutingSettingsBuilder = FleetRoutingSettings.newBuilder();
  * fleetRoutingSettingsBuilder
  *     .optimizeToursSettings()

diff --git a/google-cloud-optimization/src/main/java/com/google/cloud/optimization/v1/package-info.java b/google-cloud-optimization/src/main/java/com/google/cloud/optimization/v1/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,6 +36,8 @@
  * <p>Sample for FleetRoutingClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (FleetRoutingClient fleetRoutingClient = FleetRoutingClient.create()) {
  *   OptimizeToursRequest request =
  *       OptimizeToursRequest.newBuilder()

diff --git a/...ud-optimization/src/main/java/com/google/cloud/optimization/v1/stub/FleetRoutingStub.java b/...ud-optimization/src/main/java/com/google/cloud/optimization/v1/stub/FleetRoutingStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

diff --git a/...ization/src/main/java/com/google/cloud/optimization/v1/stub/FleetRoutingStubSettings.java b/...ization/src/main/java/com/google/cloud/optimization/v1/stub/FleetRoutingStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -69,6 +69,8 @@
  * <p>For example, to set the total timeout of optimizeTours to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FleetRoutingStubSettings.Builder fleetRoutingSettingsBuilder =
  *     FleetRoutingStubSettings.newBuilder();
  * fleetRoutingSettingsBuilder

diff --git a/.../src/main/java/com/google/cloud/optimization/v1/stub/GrpcFleetRoutingCallableFactory.java b/.../src/main/java/com/google/cloud/optimization/v1/stub/GrpcFleetRoutingCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

diff --git a/...ptimization/src/main/java/com/google/cloud/optimization/v1/stub/GrpcFleetRoutingStub.java b/...ptimization/src/main/java/com/google/cloud/optimization/v1/stub/GrpcFleetRoutingStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

diff --git a/...d-optimization/src/test/java/com/google/cloud/optimization/v1/FleetRoutingClientTest.java b/...d-optimization/src/test/java/com/google/cloud/optimization/v1/FleetRoutingClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

diff --git a/...e-cloud-optimization/src/test/java/com/google/cloud/optimization/v1/MockFleetRouting.java b/...e-cloud-optimization/src/test/java/com/google/cloud/optimization/v1/MockFleetRouting.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

diff --git a/...oud-optimization/src/test/java/com/google/cloud/optimization/v1/MockFleetRoutingImpl.java b/...oud-optimization/src/test/java/com/google/cloud/optimization/v1/MockFleetRoutingImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.