diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClient.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClient.java
index 0fc91636d9b..ff79047f68d 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClient.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClient.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.
@@ -46,6 +46,8 @@
  * 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 (ManagedNotebookServiceClient managedNotebookServiceClient =
  *     ManagedNotebookServiceClient.create()) {
  *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -83,6 +85,8 @@
  * <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.
  * ManagedNotebookServiceSettings managedNotebookServiceSettings =
  *     ManagedNotebookServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <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.
  * ManagedNotebookServiceSettings managedNotebookServiceSettings =
  *     ManagedNotebookServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ManagedNotebookServiceClient managedNotebookServiceClient =
@@ -174,6 +180,8 @@ 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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -201,6 +209,8 @@ public final ListRuntimesPagedResponse listRuntimes(LocationName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -225,6 +235,8 @@ public final ListRuntimesPagedResponse listRuntimes(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.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ListRuntimesRequest request =
@@ -253,6 +265,8 @@ public final ListRuntimesPagedResponse listRuntimes(ListRuntimesRequest 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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ListRuntimesRequest request =
@@ -282,6 +296,8 @@ public final ListRuntimesPagedResponse listRuntimes(ListRuntimesRequest 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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ListRuntimesRequest request =
@@ -317,6 +333,8 @@ public final UnaryCallable<ListRuntimesRequest, ListRuntimesResponse> listRuntim
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -341,6 +359,8 @@ public final Runtime getRuntime(RuntimeName 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.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]").toString();
@@ -364,6 +384,8 @@ public final Runtime getRuntime(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.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   GetRuntimeRequest request =
@@ -388,6 +410,8 @@ public final Runtime getRuntime(GetRuntimeRequest 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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   GetRuntimeRequest request =
@@ -412,6 +436,8 @@ public final UnaryCallable<GetRuntimeRequest, Runtime> getRuntimeCallable() {
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RuntimeName parent = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -445,6 +471,8 @@ public final OperationFuture<Runtime, OperationMetadata> createRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String parent = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]").toString();
@@ -478,6 +506,8 @@ public final OperationFuture<Runtime, OperationMetadata> createRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   CreateRuntimeRequest request =
@@ -506,6 +536,8 @@ public final OperationFuture<Runtime, OperationMetadata> createRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   CreateRuntimeRequest request =
@@ -534,6 +566,8 @@ public final OperationFuture<Runtime, OperationMetadata> createRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   CreateRuntimeRequest request =
@@ -561,6 +595,8 @@ public final UnaryCallable<CreateRuntimeRequest, Operation> createRuntimeCallabl
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -585,6 +621,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteRuntimeAsync(Runtim
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]").toString();
@@ -608,6 +646,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteRuntimeAsync(String
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   DeleteRuntimeRequest request =
@@ -634,6 +674,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   DeleteRuntimeRequest request =
@@ -660,6 +702,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   DeleteRuntimeRequest request =
@@ -687,6 +731,8 @@ public final UnaryCallable<DeleteRuntimeRequest, Operation> deleteRuntimeCallabl
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = "name3373707";
@@ -712,6 +758,8 @@ public final OperationFuture<Runtime, OperationMetadata> startRuntimeAsync(Strin
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StartRuntimeRequest request =
@@ -740,6 +788,8 @@ public final OperationFuture<Runtime, OperationMetadata> startRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StartRuntimeRequest request =
@@ -768,6 +818,8 @@ public final OperationFuture<Runtime, OperationMetadata> startRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StartRuntimeRequest request =
@@ -795,6 +847,8 @@ public final UnaryCallable<StartRuntimeRequest, Operation> startRuntimeCallable(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = "name3373707";
@@ -820,6 +874,8 @@ public final OperationFuture<Runtime, OperationMetadata> stopRuntimeAsync(String
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StopRuntimeRequest request =
@@ -848,6 +904,8 @@ public final OperationFuture<Runtime, OperationMetadata> stopRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StopRuntimeRequest request =
@@ -876,6 +934,8 @@ public final OperationFuture<Runtime, OperationMetadata> stopRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   StopRuntimeRequest request =
@@ -901,6 +961,8 @@ public final UnaryCallable<StopRuntimeRequest, Operation> stopRuntimeCallable()
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = "name3373707";
@@ -924,6 +986,8 @@ public final OperationFuture<Runtime, OperationMetadata> switchRuntimeAsync(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.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   SwitchRuntimeRequest request =
@@ -952,6 +1016,8 @@ public final OperationFuture<Runtime, OperationMetadata> switchRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   SwitchRuntimeRequest request =
@@ -980,6 +1046,8 @@ public final OperationFuture<Runtime, OperationMetadata> switchRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   SwitchRuntimeRequest request =
@@ -1007,6 +1075,8 @@ public final UnaryCallable<SwitchRuntimeRequest, Operation> switchRuntimeCallabl
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = "name3373707";
@@ -1030,6 +1100,8 @@ public final OperationFuture<Runtime, OperationMetadata> resetRuntimeAsync(Strin
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ResetRuntimeRequest request =
@@ -1056,6 +1128,8 @@ public final OperationFuture<Runtime, OperationMetadata> resetRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ResetRuntimeRequest request =
@@ -1082,6 +1156,8 @@ public final OperationFuture<Runtime, OperationMetadata> resetRuntimeAsync(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ResetRuntimeRequest request =
@@ -1107,6 +1183,8 @@ public final UnaryCallable<ResetRuntimeRequest, Operation> resetRuntimeCallable(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -1134,6 +1212,8 @@ public final OperationFuture<Runtime, OperationMetadata> reportRuntimeEventAsync
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]").toString();
@@ -1158,6 +1238,8 @@ public final OperationFuture<Runtime, OperationMetadata> reportRuntimeEventAsync
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ReportRuntimeEventRequest request =
@@ -1185,6 +1267,8 @@ public final OperationFuture<Runtime, OperationMetadata> reportRuntimeEventAsync
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ReportRuntimeEventRequest request =
@@ -1212,6 +1296,8 @@ public final OperationFuture<Runtime, OperationMetadata> reportRuntimeEventAsync
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   ReportRuntimeEventRequest request =
@@ -1239,6 +1325,8 @@ public final UnaryCallable<ReportRuntimeEventRequest, Operation> reportRuntimeEv
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -1272,6 +1360,8 @@ public final RefreshRuntimeTokenInternalResponse refreshRuntimeTokenInternal(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   String name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]").toString();
@@ -1302,6 +1392,8 @@ public final RefreshRuntimeTokenInternalResponse refreshRuntimeTokenInternal(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RefreshRuntimeTokenInternalRequest request =
@@ -1330,6 +1422,8 @@ public final RefreshRuntimeTokenInternalResponse refreshRuntimeTokenInternal(
    * <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 (ManagedNotebookServiceClient managedNotebookServiceClient =
    *     ManagedNotebookServiceClient.create()) {
    *   RefreshRuntimeTokenInternalRequest request =
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceSettings.java
index 747ec7a6e8f..878b57d6d50 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceSettings.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.
@@ -55,6 +55,8 @@
  * <p>For example, to set the total timeout of getRuntime to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ManagedNotebookServiceSettings.Builder managedNotebookServiceSettingsBuilder =
  *     ManagedNotebookServiceSettings.newBuilder();
  * managedNotebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceClient.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceClient.java
index 8b94e2515ef..748ca5e3be3 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceClient.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceClient.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.
@@ -46,6 +46,8 @@
  * 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
  *   String name = "name3373707";
  *   Instance response = notebookServiceClient.getInstance(name);
@@ -82,6 +84,8 @@
  * <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.
  * NotebookServiceSettings notebookServiceSettings =
  *     NotebookServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <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.
  * NotebookServiceSettings notebookServiceSettings =
  *     NotebookServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * NotebookServiceClient notebookServiceClient =
@@ -172,6 +178,8 @@ 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = "parent-995424086";
    *   for (Instance element : notebookServiceClient.listInstances(parent).iterateAll()) {
@@ -195,6 +203,8 @@ public final ListInstancesPagedResponse listInstances(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -222,6 +232,8 @@ public final ListInstancesPagedResponse listInstances(ListInstancesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -250,6 +262,8 @@ public final ListInstancesPagedResponse listInstances(ListInstancesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -284,6 +298,8 @@ public final UnaryCallable<ListInstancesRequest, ListInstancesResponse> listInst
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = "name3373707";
    *   Instance response = notebookServiceClient.getInstance(name);
@@ -306,6 +322,8 @@ public final Instance getInstance(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
    *   Instance response = notebookServiceClient.getInstance(request);
@@ -326,6 +344,8 @@ public final Instance getInstance(GetInstanceRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
    *   ApiFuture<Instance> future = notebookServiceClient.getInstanceCallable().futureCall(request);
@@ -345,6 +365,8 @@ public final UnaryCallable<GetInstanceRequest, Instance> getInstanceCallable() {
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = "parent-995424086";
    *   Instance instance = Instance.newBuilder().build();
@@ -377,6 +399,8 @@ public final OperationFuture<Instance, OperationMetadata> createInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -403,6 +427,8 @@ public final OperationFuture<Instance, OperationMetadata> createInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -429,6 +455,8 @@ public final OperationFuture<Instance, OperationMetadata> createInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -456,6 +484,8 @@ public final UnaryCallable<CreateInstanceRequest, Operation> createInstanceCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -483,6 +513,8 @@ public final OperationFuture<Instance, OperationMetadata> registerInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -510,6 +542,8 @@ public final OperationFuture<Instance, OperationMetadata> registerInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -534,6 +568,8 @@ public final UnaryCallable<RegisterInstanceRequest, Operation> registerInstanceC
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -559,6 +595,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -584,6 +622,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -609,6 +649,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -634,6 +676,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -659,6 +703,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -684,6 +730,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateInstanceConfigRequest request =
    *       UpdateInstanceConfigRequest.newBuilder()
@@ -709,6 +757,8 @@ public final OperationFuture<Instance, OperationMetadata> updateInstanceConfigAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateInstanceConfigRequest request =
    *       UpdateInstanceConfigRequest.newBuilder()
@@ -734,6 +784,8 @@ public final OperationFuture<Instance, OperationMetadata> updateInstanceConfigAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateInstanceConfigRequest request =
    *       UpdateInstanceConfigRequest.newBuilder()
@@ -759,6 +811,8 @@ public final OperationFuture<Instance, OperationMetadata> updateInstanceConfigAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateShieldedInstanceConfigRequest request =
    *       UpdateShieldedInstanceConfigRequest.newBuilder()
@@ -784,6 +838,8 @@ public final OperationFuture<Instance, OperationMetadata> updateShieldedInstance
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateShieldedInstanceConfigRequest request =
    *       UpdateShieldedInstanceConfigRequest.newBuilder()
@@ -809,6 +865,8 @@ public final OperationFuture<Instance, OperationMetadata> updateShieldedInstance
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateShieldedInstanceConfigRequest request =
    *       UpdateShieldedInstanceConfigRequest.newBuilder()
@@ -834,6 +892,8 @@ public final OperationFuture<Instance, OperationMetadata> updateShieldedInstance
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -859,6 +919,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceLabelsAsync
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -884,6 +946,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceLabelsAsync
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -908,6 +972,8 @@ public final UnaryCallable<SetInstanceLabelsRequest, Operation> setInstanceLabel
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateInstanceMetadataItemsRequest request =
    *       UpdateInstanceMetadataItemsRequest.newBuilder()
@@ -934,6 +1000,8 @@ public final UpdateInstanceMetadataItemsResponse updateInstanceMetadataItems(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpdateInstanceMetadataItemsRequest request =
    *       UpdateInstanceMetadataItemsRequest.newBuilder()
@@ -960,6 +1028,8 @@ public final UpdateInstanceMetadataItemsResponse updateInstanceMetadataItems(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = "name3373707";
    *   notebookServiceClient.deleteInstanceAsync(name).get();
@@ -982,6 +1052,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteInstanceAsync(Strin
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1004,6 +1076,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1026,6 +1100,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1047,6 +1123,8 @@ public final UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1069,6 +1147,8 @@ public final OperationFuture<Instance, OperationMetadata> startInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1091,6 +1171,8 @@ public final OperationFuture<Instance, OperationMetadata> startInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1112,6 +1194,8 @@ public final UnaryCallable<StartInstanceRequest, Operation> startInstanceCallabl
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   Instance response = notebookServiceClient.stopInstanceAsync(request).get();
@@ -1133,6 +1217,8 @@ public final OperationFuture<Instance, OperationMetadata> stopInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   OperationFuture<Instance, OperationMetadata> future =
@@ -1154,6 +1240,8 @@ public final OperationFuture<Instance, OperationMetadata> stopInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   ApiFuture<Operation> future =
@@ -1174,6 +1262,8 @@ public final UnaryCallable<StopInstanceRequest, Operation> stopInstanceCallable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1196,6 +1286,8 @@ public final OperationFuture<Instance, OperationMetadata> resetInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1218,6 +1310,8 @@ public final OperationFuture<Instance, OperationMetadata> resetInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1241,6 +1335,8 @@ public final UnaryCallable<ResetInstanceRequest, Operation> resetInstanceCallabl
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -1269,6 +1365,8 @@ public final OperationFuture<Instance, OperationMetadata> reportInstanceInfoAsyn
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -1297,6 +1395,8 @@ public final OperationFuture<Instance, OperationMetadata> reportInstanceInfoAsyn
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -1322,6 +1422,8 @@ public final UnaryCallable<ReportInstanceInfoRequest, Operation> reportInstanceI
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   IsInstanceUpgradeableRequest request =
    *       IsInstanceUpgradeableRequest.newBuilder()
@@ -1347,6 +1449,8 @@ public final IsInstanceUpgradeableResponse isInstanceUpgradeable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   IsInstanceUpgradeableRequest request =
    *       IsInstanceUpgradeableRequest.newBuilder()
@@ -1372,6 +1476,8 @@ public final IsInstanceUpgradeableResponse isInstanceUpgradeable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   InstanceName name = InstanceName.of("[PROJECT]", "[INSTANCE]");
    *   GetInstanceHealthResponse response = notebookServiceClient.getInstanceHealth(name);
@@ -1397,6 +1503,8 @@ public final GetInstanceHealthResponse getInstanceHealth(InstanceName 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = InstanceName.of("[PROJECT]", "[INSTANCE]").toString();
    *   GetInstanceHealthResponse response = notebookServiceClient.getInstanceHealth(name);
@@ -1419,6 +1527,8 @@ public final GetInstanceHealthResponse getInstanceHealth(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceHealthRequest request =
    *       GetInstanceHealthRequest.newBuilder()
@@ -1442,6 +1552,8 @@ public final GetInstanceHealthResponse getInstanceHealth(GetInstanceHealthReques
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceHealthRequest request =
    *       GetInstanceHealthRequest.newBuilder()
@@ -1466,6 +1578,8 @@ public final GetInstanceHealthResponse getInstanceHealth(GetInstanceHealthReques
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder()
@@ -1491,6 +1605,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder()
@@ -1516,6 +1632,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder()
@@ -1540,6 +1658,8 @@ public final UnaryCallable<UpgradeInstanceRequest, Operation> upgradeInstanceCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RollbackInstanceRequest request =
    *       RollbackInstanceRequest.newBuilder()
@@ -1565,6 +1685,8 @@ public final OperationFuture<Instance, OperationMetadata> rollbackInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RollbackInstanceRequest request =
    *       RollbackInstanceRequest.newBuilder()
@@ -1590,6 +1712,8 @@ public final OperationFuture<Instance, OperationMetadata> rollbackInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RollbackInstanceRequest request =
    *       RollbackInstanceRequest.newBuilder()
@@ -1615,6 +1739,8 @@ public final UnaryCallable<RollbackInstanceRequest, Operation> rollbackInstanceC
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1642,6 +1768,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1669,6 +1797,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1695,6 +1825,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = "parent-995424086";
    *   for (Environment element : notebookServiceClient.listEnvironments(parent).iterateAll()) {
@@ -1719,6 +1851,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1746,6 +1880,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1774,6 +1910,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1809,6 +1947,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = "name3373707";
    *   Environment response = notebookServiceClient.getEnvironment(name);
@@ -1831,6 +1971,8 @@ public final Environment getEnvironment(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1852,6 +1994,8 @@ public final Environment getEnvironment(GetEnvironmentRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1873,6 +2017,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = "parent-995424086";
    *   Environment environment = Environment.newBuilder().build();
@@ -1908,6 +2054,8 @@ public final OperationFuture<Environment, OperationMetadata> createEnvironmentAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1934,6 +2082,8 @@ public final OperationFuture<Environment, OperationMetadata> createEnvironmentAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1960,6 +2110,8 @@ public final OperationFuture<Environment, OperationMetadata> createEnvironmentAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1985,6 +2137,8 @@ public final UnaryCallable<CreateEnvironmentRequest, Operation> createEnvironmen
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = "name3373707";
    *   notebookServiceClient.deleteEnvironmentAsync(name).get();
@@ -2007,6 +2161,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteEnvironmentAsync(St
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -2029,6 +2185,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteEnvironmentAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -2051,6 +2209,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteEnvironmentAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -2072,6 +2232,8 @@ public final UnaryCallable<DeleteEnvironmentRequest, Operation> deleteEnvironmen
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ScheduleName parent = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]");
    *   for (Schedule element : notebookServiceClient.listSchedules(parent).iterateAll()) {
@@ -2098,6 +2260,8 @@ public final ListSchedulesPagedResponse listSchedules(ScheduleName 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]").toString();
    *   for (Schedule element : notebookServiceClient.listSchedules(parent).iterateAll()) {
@@ -2121,6 +2285,8 @@ public final ListSchedulesPagedResponse listSchedules(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListSchedulesRequest request =
    *       ListSchedulesRequest.newBuilder()
@@ -2150,6 +2316,8 @@ public final ListSchedulesPagedResponse listSchedules(ListSchedulesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListSchedulesRequest request =
    *       ListSchedulesRequest.newBuilder()
@@ -2180,6 +2348,8 @@ public final ListSchedulesPagedResponse listSchedules(ListSchedulesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListSchedulesRequest request =
    *       ListSchedulesRequest.newBuilder()
@@ -2216,6 +2386,8 @@ public final UnaryCallable<ListSchedulesRequest, ListSchedulesResponse> listSche
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ScheduleName name = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]");
    *   Schedule response = notebookServiceClient.getSchedule(name);
@@ -2239,6 +2411,8 @@ public final Schedule getSchedule(ScheduleName 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]").toString();
    *   Schedule response = notebookServiceClient.getSchedule(name);
@@ -2261,6 +2435,8 @@ public final Schedule getSchedule(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetScheduleRequest request =
    *       GetScheduleRequest.newBuilder()
@@ -2284,6 +2460,8 @@ public final Schedule getSchedule(GetScheduleRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetScheduleRequest request =
    *       GetScheduleRequest.newBuilder()
@@ -2306,6 +2484,8 @@ public final UnaryCallable<GetScheduleRequest, Schedule> getScheduleCallable() {
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ScheduleName name = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]");
    *   notebookServiceClient.deleteScheduleAsync(name).get();
@@ -2329,6 +2509,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteScheduleAsync(Sched
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]").toString();
    *   notebookServiceClient.deleteScheduleAsync(name).get();
@@ -2351,6 +2533,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteScheduleAsync(Strin
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteScheduleRequest request =
    *       DeleteScheduleRequest.newBuilder()
@@ -2375,6 +2559,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteScheduleRequest request =
    *       DeleteScheduleRequest.newBuilder()
@@ -2399,6 +2585,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteScheduleRequest request =
    *       DeleteScheduleRequest.newBuilder()
@@ -2422,6 +2610,8 @@ public final UnaryCallable<DeleteScheduleRequest, Operation> deleteScheduleCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ScheduleName parent = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]");
    *   Schedule schedule = Schedule.newBuilder().build();
@@ -2454,6 +2644,8 @@ public final OperationFuture<Schedule, OperationMetadata> createScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = ScheduleName.of("[PROJECT]", "[LOCATION]", "[SCHEDULE]").toString();
    *   Schedule schedule = Schedule.newBuilder().build();
@@ -2486,6 +2678,8 @@ public final OperationFuture<Schedule, OperationMetadata> createScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateScheduleRequest request =
    *       CreateScheduleRequest.newBuilder()
@@ -2512,6 +2706,8 @@ public final OperationFuture<Schedule, OperationMetadata> createScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateScheduleRequest request =
    *       CreateScheduleRequest.newBuilder()
@@ -2538,6 +2734,8 @@ public final OperationFuture<Schedule, OperationMetadata> createScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateScheduleRequest request =
    *       CreateScheduleRequest.newBuilder()
@@ -2563,6 +2761,8 @@ public final UnaryCallable<CreateScheduleRequest, Operation> createScheduleCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   TriggerScheduleRequest request =
    *       TriggerScheduleRequest.newBuilder()
@@ -2587,6 +2787,8 @@ public final OperationFuture<Schedule, OperationMetadata> triggerScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   TriggerScheduleRequest request =
    *       TriggerScheduleRequest.newBuilder()
@@ -2611,6 +2813,8 @@ public final OperationFuture<Schedule, OperationMetadata> triggerScheduleAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   TriggerScheduleRequest request =
    *       TriggerScheduleRequest.newBuilder()
@@ -2634,6 +2838,8 @@ public final UnaryCallable<TriggerScheduleRequest, Operation> triggerScheduleCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ExecutionName parent = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]");
    *   for (Execution element : notebookServiceClient.listExecutions(parent).iterateAll()) {
@@ -2660,6 +2866,8 @@ public final ListExecutionsPagedResponse listExecutions(ExecutionName 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]").toString();
    *   for (Execution element : notebookServiceClient.listExecutions(parent).iterateAll()) {
@@ -2683,6 +2891,8 @@ public final ListExecutionsPagedResponse listExecutions(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListExecutionsRequest request =
    *       ListExecutionsRequest.newBuilder()
@@ -2712,6 +2922,8 @@ public final ListExecutionsPagedResponse listExecutions(ListExecutionsRequest 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListExecutionsRequest request =
    *       ListExecutionsRequest.newBuilder()
@@ -2742,6 +2954,8 @@ public final ListExecutionsPagedResponse listExecutions(ListExecutionsRequest 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListExecutionsRequest request =
    *       ListExecutionsRequest.newBuilder()
@@ -2779,6 +2993,8 @@ public final ListExecutionsPagedResponse listExecutions(ListExecutionsRequest 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ExecutionName name = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]");
    *   Execution response = notebookServiceClient.getExecution(name);
@@ -2802,6 +3018,8 @@ public final Execution getExecution(ExecutionName 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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]").toString();
    *   Execution response = notebookServiceClient.getExecution(name);
@@ -2824,6 +3042,8 @@ public final Execution getExecution(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetExecutionRequest request =
    *       GetExecutionRequest.newBuilder()
@@ -2847,6 +3067,8 @@ public final Execution getExecution(GetExecutionRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetExecutionRequest request =
    *       GetExecutionRequest.newBuilder()
@@ -2870,6 +3092,8 @@ public final UnaryCallable<GetExecutionRequest, Execution> getExecutionCallable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ExecutionName name = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]");
    *   notebookServiceClient.deleteExecutionAsync(name).get();
@@ -2893,6 +3117,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteExecutionAsync(Exec
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String name = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]").toString();
    *   notebookServiceClient.deleteExecutionAsync(name).get();
@@ -2915,6 +3141,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteExecutionAsync(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.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteExecutionRequest request =
    *       DeleteExecutionRequest.newBuilder()
@@ -2939,6 +3167,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteExecutionRequest request =
    *       DeleteExecutionRequest.newBuilder()
@@ -2963,6 +3193,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteExecutionRequest request =
    *       DeleteExecutionRequest.newBuilder()
@@ -2986,6 +3218,8 @@ public final UnaryCallable<DeleteExecutionRequest, Operation> deleteExecutionCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ExecutionName parent = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]");
    *   Execution execution = Execution.newBuilder().build();
@@ -3018,6 +3252,8 @@ public final OperationFuture<Execution, OperationMetadata> createExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   String parent = ExecutionName.of("[PROJECT]", "[LOCATION]", "[EXECUTION]").toString();
    *   Execution execution = Execution.newBuilder().build();
@@ -3050,6 +3286,8 @@ public final OperationFuture<Execution, OperationMetadata> createExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateExecutionRequest request =
    *       CreateExecutionRequest.newBuilder()
@@ -3076,6 +3314,8 @@ public final OperationFuture<Execution, OperationMetadata> createExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateExecutionRequest request =
    *       CreateExecutionRequest.newBuilder()
@@ -3102,6 +3342,8 @@ public final OperationFuture<Execution, OperationMetadata> createExecutionAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateExecutionRequest request =
    *       CreateExecutionRequest.newBuilder()
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceSettings.java
index 7e0ec825f07..637b8bee987 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/NotebookServiceSettings.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.
@@ -58,6 +58,8 @@
  * <p>For example, to set the total timeout of getInstance to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * NotebookServiceSettings.Builder notebookServiceSettingsBuilder =
  *     NotebookServiceSettings.newBuilder();
  * notebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/package-info.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/package-info.java
index d68f6a28bad..d8359677f7c 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/package-info.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/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.
@@ -26,6 +26,8 @@
  * <p>Sample for ManagedNotebookServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ManagedNotebookServiceClient managedNotebookServiceClient =
  *     ManagedNotebookServiceClient.create()) {
  *   RuntimeName name = RuntimeName.of("[PROJECT]", "[LOCATION]", "[RUNTIME]");
@@ -40,6 +42,8 @@
  * <p>Sample for NotebookServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
  *   String name = "name3373707";
  *   Instance response = notebookServiceClient.getInstance(name);
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceCallableFactory.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceCallableFactory.java
index d287c0e3e92..c7cb6dda8b1 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceCallableFactory.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceCallableFactory.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceStub.java
index 144b5bf9552..04c25f494d8 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcManagedNotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceCallableFactory.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceCallableFactory.java
index bd54cb52c2a..8b2701fd86b 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceCallableFactory.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceCallableFactory.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceStub.java
index d7bbef55cb4..cb89e6fa119 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/GrpcNotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStub.java
index 30e3daa4c1d..fdd43cb545b 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStubSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStubSettings.java
index 2de15f3aa4d..43d3040bc92 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStubSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/ManagedNotebookServiceStubSettings.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.
@@ -87,6 +87,8 @@
  * <p>For example, to set the total timeout of getRuntime to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ManagedNotebookServiceStubSettings.Builder managedNotebookServiceSettingsBuilder =
  *     ManagedNotebookServiceStubSettings.newBuilder();
  * managedNotebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStub.java
index 973c797f073..cb6eeb263b5 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStubSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStubSettings.java
index b4c17abbbaf..6d25558a20b 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStubSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1/stub/NotebookServiceStubSettings.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.
@@ -121,6 +121,8 @@
  * <p>For example, to set the total timeout of getInstance to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * NotebookServiceStubSettings.Builder notebookServiceSettingsBuilder =
  *     NotebookServiceStubSettings.newBuilder();
  * notebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClient.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClient.java
index 04a28feaa6e..32c159cbe2b 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClient.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClient.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.
@@ -46,6 +46,8 @@
  * 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
  *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
  *   Instance response = notebookServiceClient.getInstance(request);
@@ -82,6 +84,8 @@
  * <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.
  * NotebookServiceSettings notebookServiceSettings =
  *     NotebookServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <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.
  * NotebookServiceSettings notebookServiceSettings =
  *     NotebookServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * NotebookServiceClient notebookServiceClient =
@@ -173,6 +179,8 @@ 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -200,6 +208,8 @@ public final ListInstancesPagedResponse listInstances(ListInstancesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -228,6 +238,8 @@ public final ListInstancesPagedResponse listInstances(ListInstancesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListInstancesRequest request =
    *       ListInstancesRequest.newBuilder()
@@ -262,6 +274,8 @@ public final UnaryCallable<ListInstancesRequest, ListInstancesResponse> listInst
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
    *   Instance response = notebookServiceClient.getInstance(request);
@@ -282,6 +296,8 @@ public final Instance getInstance(GetInstanceRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
    *   ApiFuture<Instance> future = notebookServiceClient.getInstanceCallable().futureCall(request);
@@ -301,6 +317,8 @@ public final UnaryCallable<GetInstanceRequest, Instance> getInstanceCallable() {
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -327,6 +345,8 @@ public final OperationFuture<Instance, OperationMetadata> createInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -353,6 +373,8 @@ public final OperationFuture<Instance, OperationMetadata> createInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateInstanceRequest request =
    *       CreateInstanceRequest.newBuilder()
@@ -380,6 +402,8 @@ public final UnaryCallable<CreateInstanceRequest, Operation> createInstanceCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -407,6 +431,8 @@ public final OperationFuture<Instance, OperationMetadata> registerInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -434,6 +460,8 @@ public final OperationFuture<Instance, OperationMetadata> registerInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   RegisterInstanceRequest request =
    *       RegisterInstanceRequest.newBuilder()
@@ -458,6 +486,8 @@ public final UnaryCallable<RegisterInstanceRequest, Operation> registerInstanceC
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -483,6 +513,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -508,6 +540,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceAcceleratorRequest request =
    *       SetInstanceAcceleratorRequest.newBuilder()
@@ -533,6 +567,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceAccelerator
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -558,6 +594,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -583,6 +621,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceMachineTypeRequest request =
    *       SetInstanceMachineTypeRequest.newBuilder()
@@ -608,6 +648,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceMachineType
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -633,6 +675,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceLabelsAsync
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -658,6 +702,8 @@ public final OperationFuture<Instance, OperationMetadata> setInstanceLabelsAsync
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   SetInstanceLabelsRequest request =
    *       SetInstanceLabelsRequest.newBuilder()
@@ -682,6 +728,8 @@ public final UnaryCallable<SetInstanceLabelsRequest, Operation> setInstanceLabel
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -704,6 +752,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -726,6 +776,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteInstanceRequest request =
    *       DeleteInstanceRequest.newBuilder().setName("name3373707").build();
@@ -747,6 +799,8 @@ public final UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCalla
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -769,6 +823,8 @@ public final OperationFuture<Instance, OperationMetadata> startInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -791,6 +847,8 @@ public final OperationFuture<Instance, OperationMetadata> startInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StartInstanceRequest request =
    *       StartInstanceRequest.newBuilder().setName("name3373707").build();
@@ -812,6 +870,8 @@ public final UnaryCallable<StartInstanceRequest, Operation> startInstanceCallabl
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   Instance response = notebookServiceClient.stopInstanceAsync(request).get();
@@ -833,6 +893,8 @@ public final OperationFuture<Instance, OperationMetadata> stopInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   OperationFuture<Instance, OperationMetadata> future =
@@ -854,6 +916,8 @@ public final OperationFuture<Instance, OperationMetadata> stopInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   StopInstanceRequest request = StopInstanceRequest.newBuilder().setName("name3373707").build();
    *   ApiFuture<Operation> future =
@@ -874,6 +938,8 @@ public final UnaryCallable<StopInstanceRequest, Operation> stopInstanceCallable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -896,6 +962,8 @@ public final OperationFuture<Instance, OperationMetadata> resetInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -918,6 +986,8 @@ public final OperationFuture<Instance, OperationMetadata> resetInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ResetInstanceRequest request =
    *       ResetInstanceRequest.newBuilder().setName("name3373707").build();
@@ -941,6 +1011,8 @@ public final UnaryCallable<ResetInstanceRequest, Operation> resetInstanceCallabl
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -969,6 +1041,8 @@ public final OperationFuture<Instance, OperationMetadata> reportInstanceInfoAsyn
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -997,6 +1071,8 @@ public final OperationFuture<Instance, OperationMetadata> reportInstanceInfoAsyn
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ReportInstanceInfoRequest request =
    *       ReportInstanceInfoRequest.newBuilder()
@@ -1022,6 +1098,8 @@ public final UnaryCallable<ReportInstanceInfoRequest, Operation> reportInstanceI
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   IsInstanceUpgradeableRequest request =
    *       IsInstanceUpgradeableRequest.newBuilder()
@@ -1046,6 +1124,8 @@ public final IsInstanceUpgradeableResponse isInstanceUpgradeable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   IsInstanceUpgradeableRequest request =
    *       IsInstanceUpgradeableRequest.newBuilder()
@@ -1070,6 +1150,8 @@ public final IsInstanceUpgradeableResponse isInstanceUpgradeable(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1092,6 +1174,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1114,6 +1198,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceRequest request =
    *       UpgradeInstanceRequest.newBuilder().setName("name3373707").build();
@@ -1136,6 +1222,8 @@ public final UnaryCallable<UpgradeInstanceRequest, Operation> upgradeInstanceCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1162,6 +1250,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1188,6 +1278,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   UpgradeInstanceInternalRequest request =
    *       UpgradeInstanceInternalRequest.newBuilder()
@@ -1213,6 +1305,8 @@ public final OperationFuture<Instance, OperationMetadata> upgradeInstanceInterna
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1240,6 +1334,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1268,6 +1364,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -1303,6 +1401,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1324,6 +1424,8 @@ public final Environment getEnvironment(GetEnvironmentRequest 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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1345,6 +1447,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1371,6 +1475,8 @@ public final OperationFuture<Environment, OperationMetadata> createEnvironmentAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1397,6 +1503,8 @@ public final OperationFuture<Environment, OperationMetadata> createEnvironmentAs
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -1422,6 +1530,8 @@ public final UnaryCallable<CreateEnvironmentRequest, Operation> createEnvironmen
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1444,6 +1554,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteEnvironmentAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
@@ -1466,6 +1578,8 @@ public final OperationFuture<Empty, OperationMetadata> deleteEnvironmentAsync(
    * <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 (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder().setName("name3373707").build();
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceSettings.java
index b4ed4fae57e..94720aca7ae 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/NotebookServiceSettings.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.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of getInstance to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * NotebookServiceSettings.Builder notebookServiceSettingsBuilder =
  *     NotebookServiceSettings.newBuilder();
  * notebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/package-info.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/package-info.java
index bce54cfe10e..a9311274b39 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/package-info.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/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.
@@ -24,6 +24,8 @@
  * <p>Sample for NotebookServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (NotebookServiceClient notebookServiceClient = NotebookServiceClient.create()) {
  *   GetInstanceRequest request = GetInstanceRequest.newBuilder().setName("name3373707").build();
  *   Instance response = notebookServiceClient.getInstance(request);
diff --git a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceCallableFactory.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceCallableFactory.java
index 044300012dc..bdb78c59425 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceCallableFactory.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceCallableFactory.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceStub.java
index 03e5f6e78f8..822b94c6190 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/GrpcNotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStub.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStub.java
index 4e17961b5ba..18b227411c5 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStub.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStub.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/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java
index 4e5dde9d171..6425e4cf48a 100644
--- a/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java
+++ b/java-notebooks/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.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.
@@ -99,6 +99,8 @@
  * <p>For example, to set the total timeout of getInstance to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * NotebookServiceStubSettings.Builder notebookServiceSettingsBuilder =
  *     NotebookServiceStubSettings.newBuilder();
  * notebookServiceSettingsBuilder
diff --git a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClientTest.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClientTest.java
index 914b60d1e90..a749ebe4931 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClientTest.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/ManagedNotebookServiceClientTest.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookService.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookService.java
index 9548deafc4e..e5684053e18 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookService.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookService.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookServiceImpl.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookServiceImpl.java
index 433e01b74a3..4e2ded6ce31 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookServiceImpl.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockManagedNotebookServiceImpl.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookService.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookService.java
index c50115a8be7..8149bb3dbf2 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookService.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookService.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookServiceImpl.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookServiceImpl.java
index 276d4cbe230..555b1d5c6f2 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookServiceImpl.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/MockNotebookServiceImpl.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/NotebookServiceClientTest.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/NotebookServiceClientTest.java
index 3b23293ed60..f6aa66bfd21 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/NotebookServiceClientTest.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1/NotebookServiceClientTest.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookService.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookService.java
index b4266059944..f49b4cfb9d2 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookService.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookService.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookServiceImpl.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookServiceImpl.java
index 6a3c94fe7b2..06c56b356f6 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookServiceImpl.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/MockNotebookServiceImpl.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/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClientTest.java b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClientTest.java
index 06fd67e9d89..84c820889bb 100644
--- a/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClientTest.java
+++ b/java-notebooks/google-cloud-notebooks/src/test/java/com/google/cloud/notebooks/v1beta1/NotebookServiceClientTest.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ExecutionName.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ExecutionName.java
index 2d32973da23..cdaa3f56cb3 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ExecutionName.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ExecutionName.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/InstanceName.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/InstanceName.java
index 11d8bbc8a25..26bcd829a26 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/InstanceName.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/InstanceName.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/LocationName.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/LocationName.java
index 297d8a990ed..a6d101122e3 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/LocationName.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/LocationName.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/RuntimeName.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/RuntimeName.java
index c813301fe4a..8aba353ac4f 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/RuntimeName.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/RuntimeName.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ScheduleName.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ScheduleName.java
index b3f30391c1d..cc91a249cb1 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ScheduleName.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/ScheduleName.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/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImage.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImage.java
index 82502b8ab85..9e50e9169d5 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImage.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImage.java
@@ -182,7 +182,7 @@ public ImageCase getImageCase() {
    *
    * <pre>
    * Required. The name of the Google Cloud project that this VM image belongs to.
-   * Format: `projects/{project_id}`
+   * Format: `{project_id}`
    * </pre>
    *
    * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -206,7 +206,7 @@ public java.lang.String getProject() {
    *
    * <pre>
    * Required. The name of the Google Cloud project that this VM image belongs to.
-   * Format: `projects/{project_id}`
+   * Format: `{project_id}`
    * </pre>
    *
    * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -768,7 +768,7 @@ public Builder clearImage() {
      *
      * <pre>
      * Required. The name of the Google Cloud project that this VM image belongs to.
-     * Format: `projects/{project_id}`
+     * Format: `{project_id}`
      * </pre>
      *
      * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -791,7 +791,7 @@ public java.lang.String getProject() {
      *
      * <pre>
      * Required. The name of the Google Cloud project that this VM image belongs to.
-     * Format: `projects/{project_id}`
+     * Format: `{project_id}`
      * </pre>
      *
      * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -814,7 +814,7 @@ public com.google.protobuf.ByteString getProjectBytes() {
      *
      * <pre>
      * Required. The name of the Google Cloud project that this VM image belongs to.
-     * Format: `projects/{project_id}`
+     * Format: `{project_id}`
      * </pre>
      *
      * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -836,7 +836,7 @@ public Builder setProject(java.lang.String value) {
      *
      * <pre>
      * Required. The name of the Google Cloud project that this VM image belongs to.
-     * Format: `projects/{project_id}`
+     * Format: `{project_id}`
      * </pre>
      *
      * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -854,7 +854,7 @@ public Builder clearProject() {
      *
      * <pre>
      * Required. The name of the Google Cloud project that this VM image belongs to.
-     * Format: `projects/{project_id}`
+     * Format: `{project_id}`
      * </pre>
      *
      * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImageOrBuilder.java b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImageOrBuilder.java
index 39e6a959e59..1d44db41264 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImageOrBuilder.java
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/java/com/google/cloud/notebooks/v1/VmImageOrBuilder.java
@@ -28,7 +28,7 @@ public interface VmImageOrBuilder
    *
    * <pre>
    * Required. The name of the Google Cloud project that this VM image belongs to.
-   * Format: `projects/{project_id}`
+   * Format: `{project_id}`
    * </pre>
    *
    * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -41,7 +41,7 @@ public interface VmImageOrBuilder
    *
    * <pre>
    * Required. The name of the Google Cloud project that this VM image belongs to.
-   * Format: `projects/{project_id}`
+   * Format: `{project_id}`
    * </pre>
    *
    * <code>string project = 1 [(.google.api.field_behavior) = REQUIRED];</code>
diff --git a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/proto/google/cloud/notebooks/v1/environment.proto b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/proto/google/cloud/notebooks/v1/environment.proto
index 496e557371b..1aff9bab71d 100644
--- a/java-notebooks/proto-google-cloud-notebooks-v1/src/main/proto/google/cloud/notebooks/v1/environment.proto
+++ b/java-notebooks/proto-google-cloud-notebooks-v1/src/main/proto/google/cloud/notebooks/v1/environment.proto
@@ -69,7 +69,7 @@ message Environment {
 // notebook instance with the environment installed directly on the VM.
 message VmImage {
   // Required. The name of the Google Cloud project that this VM image belongs to.
-  // Format: `projects/{project_id}`
+  // Format: `{project_id}`
   string project = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The reference to an external Compute Engine VM image.