From bb356719e818b896259f399c084092c056549a6a Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot <yoshi-automation@google.com>
Date: Mon, 8 Feb 2021 16:42:09 -0800
Subject: [PATCH] docs: generate sample code in the Java microgenerator (#437)

This PR was generated using Autosynth. :rainbow:

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PiperOrigin-RevId: 356341083
Source-Link: https://github.com/googleapis/googleapis/commit/8d8c008e56f1af31d57f75561e0f1848ffb29eeb
---
 .../v1/AutoscalingPolicyServiceClient.java    | 340 +++++++++++
 .../dataproc/v1/ClusterControllerClient.java  | 377 ++++++++++++
 .../dataproc/v1/JobControllerClient.java      | 337 +++++++++++
 .../v1/WorkflowTemplateServiceClient.java     | 553 +++++++++++++++++
 .../cloud/dataproc/v1/package-info.java       |  38 ++
 .../AutoscalingPolicyServiceClient.java       | 340 +++++++++++
 .../v1beta2/ClusterControllerClient.java      | 376 ++++++++++++
 .../dataproc/v1beta2/JobControllerClient.java | 337 +++++++++++
 .../WorkflowTemplateServiceClient.java        | 559 ++++++++++++++++++
 .../cloud/dataproc/v1beta2/package-info.java  |  38 ++
 synth.metadata                                |  10 +-
 11 files changed, 3300 insertions(+), 5 deletions(-)

diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java
index 592055c5..9247e11f 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyServiceClient.java
@@ -42,6 +42,16 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+ *     AutoscalingPolicyServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+ *   AutoscalingPolicy response =
+ *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the AutoscalingPolicyServiceClient object to clean up
  * resources such as threads. In the example above, try-with-resources is used, which automatically
  * calls close().
@@ -150,6 +160,18 @@ public AutoscalingPolicyServiceStub getStub() {
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -178,6 +200,18 @@ public final AutoscalingPolicy createAutoscalingPolicy(
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -206,6 +240,21 @@ public final AutoscalingPolicy createAutoscalingPolicy(
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String parent =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -230,6 +279,23 @@ public final AutoscalingPolicy createAutoscalingPolicy(String parent, Autoscalin
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   CreateAutoscalingPolicyRequest request =
+   *       CreateAutoscalingPolicyRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.createAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -242,6 +308,24 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    * Creates new autoscaling policy.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   CreateAutoscalingPolicyRequest request =
+   *       CreateAutoscalingPolicyRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateAutoscalingPolicyRequest, AutoscalingPolicy>
       createAutoscalingPolicyCallable() {
@@ -254,6 +338,16 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    *
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.updateAutoscalingPolicy(policy);
+   * }
+   * }</pre>
+   *
    * @param policy Required. The updated autoscaling policy.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -269,6 +363,19 @@ public final AutoscalingPolicy updateAutoscalingPolicy(AutoscalingPolicy policy)
    *
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   UpdateAutoscalingPolicyRequest request =
+   *       UpdateAutoscalingPolicyRequest.newBuilder()
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.updateAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -283,6 +390,20 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   UpdateAutoscalingPolicyRequest request =
+   *       UpdateAutoscalingPolicyRequest.newBuilder()
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.updateAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateAutoscalingPolicyRequest, AutoscalingPolicy>
       updateAutoscalingPolicyCallable() {
@@ -293,6 +414,18 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicyName name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *           "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]");
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -320,6 +453,19 @@ public final AutoscalingPolicy getAutoscalingPolicy(AutoscalingPolicyName name)
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -345,6 +491,22 @@ public final AutoscalingPolicy getAutoscalingPolicy(String name) {
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   GetAutoscalingPolicyRequest request =
+   *       GetAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -357,6 +519,23 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
    * Retrieves autoscaling policy.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   GetAutoscalingPolicyRequest request =
+   *       GetAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.getAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetAutoscalingPolicyRequest, AutoscalingPolicy>
       getAutoscalingPolicyCallable() {
@@ -367,6 +546,19 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -392,6 +584,19 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Locati
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -417,6 +622,22 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Region
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String parent =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -440,6 +661,27 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(String
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   ListAutoscalingPoliciesRequest request =
+   *       ListAutoscalingPoliciesRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -453,6 +695,27 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Lists autoscaling policies in the project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   ListAutoscalingPoliciesRequest request =
+   *       ListAutoscalingPoliciesRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.listAutoscalingPoliciesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (AutoscalingPolicy element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListAutoscalingPoliciesRequest, ListAutoscalingPoliciesPagedResponse>
       listAutoscalingPoliciesPagedCallable() {
@@ -464,6 +727,25 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Lists autoscaling policies in the project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   while (true) {
+   *     ListAutoscalingPoliciesResponse response =
+   *         autoscalingPolicyServiceClient.listAutoscalingPoliciesCallable().call(request);
+   *     for (AutoscalingPolicy element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListAutoscalingPoliciesRequest, ListAutoscalingPoliciesResponse>
       listAutoscalingPoliciesCallable() {
@@ -475,6 +757,18 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicyName name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *           "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]");
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -503,6 +797,19 @@ public final void deleteAutoscalingPolicy(AutoscalingPolicyName name) {
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -529,6 +836,22 @@ public final void deleteAutoscalingPolicy(String name) {
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   DeleteAutoscalingPolicyRequest request =
+   *       DeleteAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -542,6 +865,23 @@ public final void deleteAutoscalingPolicy(DeleteAutoscalingPolicyRequest request
    * one or more clusters.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   DeleteAutoscalingPolicyRequest request =
+   *       DeleteAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   ApiFuture<Empty> future =
+   *       autoscalingPolicyServiceClient.deleteAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteAutoscalingPolicyRequest, Empty>
       deleteAutoscalingPolicyCallable() {
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
index 8975f551..2b2443c1 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/ClusterControllerClient.java
@@ -48,6 +48,15 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   String clusterName = "clusterName-1141738587";
+ *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the ClusterControllerClient object to clean up resources
  * such as threads. In the example above, try-with-resources is used, which automatically calls
  * close().
@@ -167,6 +176,18 @@ public final OperationsClient getOperationsClient() {
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Cluster cluster = Cluster.newBuilder().build();
+   *   Cluster response =
+   *       clusterControllerClient.createClusterAsync(projectId, region, cluster).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -190,6 +211,21 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Cluster response = clusterControllerClient.createClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -205,6 +241,22 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Cluster, ClusterOperationMetadata> future =
+   *       clusterControllerClient.createClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<CreateClusterRequest, Cluster, ClusterOperationMetadata>
       createClusterOperationCallable() {
@@ -218,6 +270,22 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.createClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateClusterRequest, Operation> createClusterCallable() {
     return stub.createClusterCallable();
@@ -229,6 +297,22 @@ public final UnaryCallable<CreateClusterRequest, Operation> createClusterCallabl
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   Cluster cluster = Cluster.newBuilder().build();
+   *   FieldMask updateMask = FieldMask.newBuilder().build();
+   *   Cluster response =
+   *       clusterControllerClient
+   *           .updateClusterAsync(projectId, region, clusterName, cluster, updateMask)
+   *           .get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project the cluster belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param clusterName Required. The cluster name.
@@ -275,6 +359,24 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Cluster response = clusterControllerClient.updateClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -290,6 +392,25 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Cluster, ClusterOperationMetadata> future =
+   *       clusterControllerClient.updateClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<UpdateClusterRequest, Cluster, ClusterOperationMetadata>
       updateClusterOperationCallable() {
@@ -303,6 +424,25 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.updateClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateClusterRequest, Operation> updateClusterCallable() {
     return stub.updateClusterCallable();
@@ -314,6 +454,17 @@ public final UnaryCallable<UpdateClusterRequest, Operation> updateClusterCallabl
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   clusterControllerClient.deleteClusterAsync(projectId, region, clusterName).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -337,6 +488,22 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   clusterControllerClient.deleteClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -352,6 +519,23 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, ClusterOperationMetadata> future =
+   *       clusterControllerClient.deleteClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<DeleteClusterRequest, Empty, ClusterOperationMetadata>
       deleteClusterOperationCallable() {
@@ -365,6 +549,23 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.deleteClusterCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteClusterRequest, Operation> deleteClusterCallable() {
     return stub.deleteClusterCallable();
@@ -374,6 +575,17 @@ public final UnaryCallable<DeleteClusterRequest, Operation> deleteClusterCallabl
   /**
    * Gets the resource representation for a cluster in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -394,6 +606,20 @@ public final Cluster getCluster(String projectId, String region, String clusterN
   /**
    * Gets the resource representation for a cluster in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   GetClusterRequest request =
+   *       GetClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   Cluster response = clusterControllerClient.getCluster(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -406,6 +632,20 @@ public final Cluster getCluster(GetClusterRequest request) {
    * Gets the resource representation for a cluster in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   GetClusterRequest request =
+   *       GetClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   ApiFuture<Cluster> future = clusterControllerClient.getClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetClusterRequest, Cluster> getClusterCallable() {
     return stub.getClusterCallable();
@@ -415,6 +655,18 @@ public final UnaryCallable<GetClusterRequest, Cluster> getClusterCallable() {
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   for (Cluster element : clusterControllerClient.listClusters(projectId, region).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -430,6 +682,20 @@ public final ListClustersPagedResponse listClusters(String projectId, String reg
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String filter = "filter-1274492040";
+   *   for (Cluster element :
+   *       clusterControllerClient.listClusters(projectId, region, filter).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -464,6 +730,24 @@ public final ListClustersPagedResponse listClusters(
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   ListClustersRequest request =
+   *       ListClustersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setFilter("filter-1274492040")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (Cluster element : clusterControllerClient.listClusters(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -476,6 +760,25 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   ListClustersRequest request =
+   *       ListClustersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setFilter("filter-1274492040")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<Cluster> future =
+   *       clusterControllerClient.listClustersPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Cluster element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListClustersRequest, ListClustersPagedResponse>
       listClustersPagedCallable() {
@@ -487,6 +790,24 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   while (true) {
+   *     ListClustersResponse response =
+   *         clusterControllerClient.listClustersCallable().call(request);
+   *     for (Cluster element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListClustersRequest, ListClustersResponse> listClustersCallable() {
     return stub.listClustersCallable();
@@ -501,6 +822,18 @@ public final UnaryCallable<ListClustersRequest, ListClustersResponse> listCluste
    * contains
    * [DiagnoseClusterResults](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#diagnoseclusterresults).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   DiagnoseClusterResults response =
+   *       clusterControllerClient.diagnoseClusterAsync(projectId, region, clusterName).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -527,6 +860,20 @@ public final UnaryCallable<ListClustersRequest, ListClustersResponse> listCluste
    * contains
    * [DiagnoseClusterResults](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#diagnoseclusterresults).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   DiagnoseClusterResults response = clusterControllerClient.diagnoseClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -545,6 +892,21 @@ public final UnaryCallable<ListClustersRequest, ListClustersResponse> listCluste
    * [DiagnoseClusterResults](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#diagnoseclusterresults).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   OperationFuture<DiagnoseClusterResults, ClusterOperationMetadata> future =
+   *       clusterControllerClient.diagnoseClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   DiagnoseClusterResults response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<
           DiagnoseClusterRequest, DiagnoseClusterResults, ClusterOperationMetadata>
@@ -562,6 +924,21 @@ public final UnaryCallable<ListClustersRequest, ListClustersResponse> listCluste
    * [DiagnoseClusterResults](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#diagnoseclusterresults).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.diagnoseClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DiagnoseClusterRequest, Operation> diagnoseClusterCallable() {
     return stub.diagnoseClusterCallable();
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
index 191b06ef..2ca6e8af 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/JobControllerClient.java
@@ -46,6 +46,15 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   Job job = Job.newBuilder().build();
+ *   Job response = jobControllerClient.submitJob(projectId, region, job);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the JobControllerClient object to clean up resources such
  * as threads. In the example above, try-with-resources is used, which automatically calls close().
  *
@@ -160,6 +169,17 @@ public final OperationsClient getOperationsClient() {
   /**
    * Submits a job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Job job = Job.newBuilder().build();
+   *   Job response = jobControllerClient.submitJob(projectId, region, job);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param job Required. The job resource.
@@ -175,6 +195,21 @@ public final Job submitJob(String projectId, String region, Job job) {
   /**
    * Submits a job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Job response = jobControllerClient.submitJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -187,6 +222,21 @@ public final Job submitJob(SubmitJobRequest request) {
    * Submits a job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.submitJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<SubmitJobRequest, Job> submitJobCallable() {
     return stub.submitJobCallable();
@@ -196,6 +246,17 @@ public final UnaryCallable<SubmitJobRequest, Job> submitJobCallable() {
   /**
    * Submits job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Job job = Job.newBuilder().build();
+   *   Job response = jobControllerClient.submitJobAsOperationAsync(projectId, region, job).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param job Required. The job resource.
@@ -212,6 +273,21 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
   /**
    * Submits job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Job response = jobControllerClient.submitJobAsOperationAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -225,6 +301,22 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
    * Submits job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Job, JobMetadata> future =
+   *       jobControllerClient.submitJobAsOperationOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<SubmitJobRequest, Job, JobMetadata>
       submitJobAsOperationOperationCallable() {
@@ -236,6 +328,22 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
    * Submits job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       jobControllerClient.submitJobAsOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<SubmitJobRequest, Operation> submitJobAsOperationCallable() {
     return stub.submitJobAsOperationCallable();
@@ -245,6 +353,17 @@ public final UnaryCallable<SubmitJobRequest, Operation> submitJobAsOperationCall
   /**
    * Gets the resource representation for a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   Job response = jobControllerClient.getJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -264,6 +383,20 @@ public final Job getJob(String projectId, String region, String jobId) {
   /**
    * Gets the resource representation for a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   GetJobRequest request =
+   *       GetJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   Job response = jobControllerClient.getJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -276,6 +409,20 @@ public final Job getJob(GetJobRequest request) {
    * Gets the resource representation for a job in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   GetJobRequest request =
+   *       GetJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.getJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetJobRequest, Job> getJobCallable() {
     return stub.getJobCallable();
@@ -285,6 +432,18 @@ public final UnaryCallable<GetJobRequest, Job> getJobCallable() {
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   for (Job element : jobControllerClient.listJobs(projectId, region).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -299,6 +458,19 @@ public final ListJobsPagedResponse listJobs(String projectId, String region) {
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String filter = "filter-1274492040";
+   *   for (Job element : jobControllerClient.listJobs(projectId, region, filter).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param filter Optional. A filter constraining the jobs to list. Filters are case-sensitive and
@@ -326,6 +498,25 @@ public final ListJobsPagedResponse listJobs(String projectId, String region, Str
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   ListJobsRequest request =
+   *       ListJobsRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   for (Job element : jobControllerClient.listJobs(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -338,6 +529,25 @@ public final ListJobsPagedResponse listJobs(ListJobsRequest request) {
    * Lists regions/{region}/jobs in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   ListJobsRequest request =
+   *       ListJobsRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.listJobsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Job element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListJobsRequest, ListJobsPagedResponse> listJobsPagedCallable() {
     return stub.listJobsPagedCallable();
@@ -348,6 +558,23 @@ public final UnaryCallable<ListJobsRequest, ListJobsPagedResponse> listJobsPaged
    * Lists regions/{region}/jobs in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   while (true) {
+   *     ListJobsResponse response = jobControllerClient.listJobsCallable().call(request);
+   *     for (Job element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListJobsRequest, ListJobsResponse> listJobsCallable() {
     return stub.listJobsCallable();
@@ -357,6 +584,22 @@ public final UnaryCallable<ListJobsRequest, ListJobsResponse> listJobsCallable()
   /**
    * Updates a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   UpdateJobRequest request =
+   *       UpdateJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .setJob(Job.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   Job response = jobControllerClient.updateJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -369,6 +612,22 @@ public final Job updateJob(UpdateJobRequest request) {
    * Updates a job in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   UpdateJobRequest request =
+   *       UpdateJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .setJob(Job.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.updateJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateJobRequest, Job> updateJobCallable() {
     return stub.updateJobCallable();
@@ -381,6 +640,17 @@ public final UnaryCallable<UpdateJobRequest, Job> updateJobCallable() {
    * or
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.jobs/get).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   Job response = jobControllerClient.cancelJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -403,6 +673,20 @@ public final Job cancelJob(String projectId, String region, String jobId) {
    * or
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.jobs/get).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   CancelJobRequest request =
+   *       CancelJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   Job response = jobControllerClient.cancelJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -418,6 +702,20 @@ public final Job cancelJob(CancelJobRequest request) {
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.jobs/get).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   CancelJobRequest request =
+   *       CancelJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.cancelJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CancelJobRequest, Job> cancelJobCallable() {
     return stub.cancelJobCallable();
@@ -428,6 +726,17 @@ public final UnaryCallable<CancelJobRequest, Job> cancelJobCallable() {
    * Deletes the job from the project. If the job is active, the delete fails, and the response
    * returns `FAILED_PRECONDITION`.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   jobControllerClient.deleteJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -448,6 +757,20 @@ public final void deleteJob(String projectId, String region, String jobId) {
    * Deletes the job from the project. If the job is active, the delete fails, and the response
    * returns `FAILED_PRECONDITION`.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   DeleteJobRequest request =
+   *       DeleteJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   jobControllerClient.deleteJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -461,6 +784,20 @@ public final void deleteJob(DeleteJobRequest request) {
    * returns `FAILED_PRECONDITION`.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   DeleteJobRequest request =
+   *       DeleteJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Empty> future = jobControllerClient.deleteJobCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteJobRequest, Empty> deleteJobCallable() {
     return stub.deleteJobCallable();
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
index 4d4a16cc..b334fec5 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateServiceClient.java
@@ -47,6 +47,16 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+ *     WorkflowTemplateServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+ *   WorkflowTemplate response =
+ *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the WorkflowTemplateServiceClient object to clean up
  * resources such as threads. In the example above, try-with-resources is used, which automatically
  * calls close().
@@ -165,6 +175,18 @@ public final OperationsClient getOperationsClient() {
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -193,6 +215,18 @@ public final WorkflowTemplate createWorkflowTemplate(
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -221,6 +255,21 @@ public final WorkflowTemplate createWorkflowTemplate(
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -245,6 +294,23 @@ public final WorkflowTemplate createWorkflowTemplate(String parent, WorkflowTemp
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   CreateWorkflowTemplateRequest request =
+   *       CreateWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.createWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -257,6 +323,24 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    * Creates new workflow template.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   CreateWorkflowTemplateRequest request =
+   *       CreateWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.createWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateWorkflowTemplateRequest, WorkflowTemplate>
       createWorkflowTemplateCallable() {
@@ -269,6 +353,18 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -298,6 +394,19 @@ public final WorkflowTemplate getWorkflowTemplate(WorkflowTemplateName name) {
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -325,6 +434,23 @@ public final WorkflowTemplate getWorkflowTemplate(String name) {
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   GetWorkflowTemplateRequest request =
+   *       GetWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -339,6 +465,24 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   GetWorkflowTemplateRequest request =
+   *       GetWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.getWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetWorkflowTemplateRequest, WorkflowTemplate>
       getWorkflowTemplateCallable() {
@@ -365,6 +509,18 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -409,6 +565,19 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -451,6 +620,19 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   Map<String, String> parameters = new HashMap<>();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name, parameters).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -498,6 +680,20 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   Map<String, String> parameters = new HashMap<>();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name, parameters).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -545,6 +741,25 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -574,6 +789,28 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   OperationFuture<Empty, WorkflowMetadata> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateWorkflowTemplateOperationCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<InstantiateWorkflowTemplateRequest, Empty, WorkflowMetadata>
       instantiateWorkflowTemplateOperationCallable() {
@@ -601,6 +838,26 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       workflowTemplateServiceClient.instantiateWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<InstantiateWorkflowTemplateRequest, Operation>
       instantiateWorkflowTemplateCallable() {
@@ -632,6 +889,17 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -681,6 +949,17 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -730,6 +1009,20 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -779,6 +1072,24 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -813,6 +1124,27 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, WorkflowMetadata> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateInlineWorkflowTemplateOperationCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<InstantiateInlineWorkflowTemplateRequest, Empty, WorkflowMetadata>
       instantiateInlineWorkflowTemplateOperationCallable() {
@@ -845,6 +1177,27 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateInlineWorkflowTemplateCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<InstantiateInlineWorkflowTemplateRequest, Operation>
       instantiateInlineWorkflowTemplateCallable() {
@@ -856,6 +1209,16 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * Updates (replaces) workflow template. The updated template must contain version that matches
    * the current server version.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.updateWorkflowTemplate(template);
+   * }
+   * }</pre>
+   *
    * @param template Required. The updated workflow template.
    *     <p>The `template.version` field must match the current version.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -871,6 +1234,19 @@ public final WorkflowTemplate updateWorkflowTemplate(WorkflowTemplate template)
    * Updates (replaces) workflow template. The updated template must contain version that matches
    * the current server version.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   UpdateWorkflowTemplateRequest request =
+   *       UpdateWorkflowTemplateRequest.newBuilder()
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.updateWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -884,6 +1260,20 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
    * the current server version.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   UpdateWorkflowTemplateRequest request =
+   *       UpdateWorkflowTemplateRequest.newBuilder()
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.updateWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateWorkflowTemplateRequest, WorkflowTemplate>
       updateWorkflowTemplateCallable() {
@@ -894,6 +1284,19 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -919,6 +1322,19 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(LocationNa
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -944,6 +1360,22 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(RegionName
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -967,6 +1399,27 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(String par
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   ListWorkflowTemplatesRequest request =
+   *       ListWorkflowTemplatesRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -980,6 +1433,27 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * Lists workflows that match the specified filter in the request.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   ListWorkflowTemplatesRequest request =
+   *       ListWorkflowTemplatesRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.listWorkflowTemplatesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (WorkflowTemplate element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListWorkflowTemplatesRequest, ListWorkflowTemplatesPagedResponse>
       listWorkflowTemplatesPagedCallable() {
@@ -991,6 +1465,25 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * Lists workflows that match the specified filter in the request.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   while (true) {
+   *     ListWorkflowTemplatesResponse response =
+   *         workflowTemplateServiceClient.listWorkflowTemplatesCallable().call(request);
+   *     for (WorkflowTemplate element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListWorkflowTemplatesRequest, ListWorkflowTemplatesResponse>
       listWorkflowTemplatesCallable() {
@@ -1001,6 +1494,18 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -1028,6 +1533,19 @@ public final void deleteWorkflowTemplate(WorkflowTemplateName name) {
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -1053,6 +1571,23 @@ public final void deleteWorkflowTemplate(String name) {
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   DeleteWorkflowTemplateRequest request =
+   *       DeleteWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1065,6 +1600,24 @@ public final void deleteWorkflowTemplate(DeleteWorkflowTemplateRequest request)
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   DeleteWorkflowTemplateRequest request =
+   *       DeleteWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   ApiFuture<Empty> future =
+   *       workflowTemplateServiceClient.deleteWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteWorkflowTemplateRequest, Empty>
       deleteWorkflowTemplateCallable() {
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
index 4931bb50..b152ad3c 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1/package-info.java
@@ -23,6 +23,16 @@
  *
  * <p>Sample for AutoscalingPolicyServiceClient:
  *
+ * <pre>{@code
+ * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+ *     AutoscalingPolicyServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+ *   AutoscalingPolicy response =
+ *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+ * }
+ * }</pre>
+ *
  * <p>======================= ClusterControllerClient =======================
  *
  * <p>Service Description: The ClusterControllerService provides methods to manage clusters of
@@ -30,17 +40,45 @@
  *
  * <p>Sample for ClusterControllerClient:
  *
+ * <pre>{@code
+ * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   String clusterName = "clusterName-1141738587";
+ *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+ * }
+ * }</pre>
+ *
  * <p>======================= JobControllerClient =======================
  *
  * <p>Service Description: The JobController provides methods to manage jobs.
  *
  * <p>Sample for JobControllerClient:
  *
+ * <pre>{@code
+ * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   Job job = Job.newBuilder().build();
+ *   Job response = jobControllerClient.submitJob(projectId, region, job);
+ * }
+ * }</pre>
+ *
  * <p>======================= WorkflowTemplateServiceClient =======================
  *
  * <p>Service Description: The API interface for managing Workflow Templates in the Dataproc API.
  *
  * <p>Sample for WorkflowTemplateServiceClient:
+ *
+ * <pre>{@code
+ * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+ *     WorkflowTemplateServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+ *   WorkflowTemplate response =
+ *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+ * }
+ * }</pre>
  */
 @Generated("by gapic-generator-java")
 package com.google.cloud.dataproc.v1;
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyServiceClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyServiceClient.java
index 4de0c395..dedaf8ce 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyServiceClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyServiceClient.java
@@ -43,6 +43,16 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+ *     AutoscalingPolicyServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+ *   AutoscalingPolicy response =
+ *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the AutoscalingPolicyServiceClient object to clean up
  * resources such as threads. In the example above, try-with-resources is used, which automatically
  * calls close().
@@ -152,6 +162,18 @@ public AutoscalingPolicyServiceStub getStub() {
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -180,6 +202,18 @@ public final AutoscalingPolicy createAutoscalingPolicy(
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -208,6 +242,21 @@ public final AutoscalingPolicy createAutoscalingPolicy(
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String parent =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -232,6 +281,23 @@ public final AutoscalingPolicy createAutoscalingPolicy(String parent, Autoscalin
   /**
    * Creates new autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   CreateAutoscalingPolicyRequest request =
+   *       CreateAutoscalingPolicyRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.createAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -244,6 +310,24 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    * Creates new autoscaling policy.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   CreateAutoscalingPolicyRequest request =
+   *       CreateAutoscalingPolicyRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.createAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateAutoscalingPolicyRequest, AutoscalingPolicy>
       createAutoscalingPolicyCallable() {
@@ -256,6 +340,16 @@ public final AutoscalingPolicy createAutoscalingPolicy(CreateAutoscalingPolicyRe
    *
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.updateAutoscalingPolicy(policy);
+   * }
+   * }</pre>
+   *
    * @param policy Required. The updated autoscaling policy.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -271,6 +365,19 @@ public final AutoscalingPolicy updateAutoscalingPolicy(AutoscalingPolicy policy)
    *
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   UpdateAutoscalingPolicyRequest request =
+   *       UpdateAutoscalingPolicyRequest.newBuilder()
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.updateAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -285,6 +392,20 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
    * <p>Disabled check for update_mask, because all updates will be full replacements.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   UpdateAutoscalingPolicyRequest request =
+   *       UpdateAutoscalingPolicyRequest.newBuilder()
+   *           .setPolicy(AutoscalingPolicy.newBuilder().build())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.updateAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateAutoscalingPolicyRequest, AutoscalingPolicy>
       updateAutoscalingPolicyCallable() {
@@ -295,6 +416,18 @@ public final AutoscalingPolicy updateAutoscalingPolicy(UpdateAutoscalingPolicyRe
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicyName name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *           "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]");
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -322,6 +455,19 @@ public final AutoscalingPolicy getAutoscalingPolicy(AutoscalingPolicyName name)
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -347,6 +493,22 @@ public final AutoscalingPolicy getAutoscalingPolicy(String name) {
   /**
    * Retrieves autoscaling policy.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   GetAutoscalingPolicyRequest request =
+   *       GetAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   AutoscalingPolicy response = autoscalingPolicyServiceClient.getAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -359,6 +521,23 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
    * Retrieves autoscaling policy.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   GetAutoscalingPolicyRequest request =
+   *       GetAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.getAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   AutoscalingPolicy response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetAutoscalingPolicyRequest, AutoscalingPolicy>
       getAutoscalingPolicyCallable() {
@@ -369,6 +548,19 @@ public final AutoscalingPolicy getAutoscalingPolicy(GetAutoscalingPolicyRequest
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -394,6 +586,19 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Locati
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -419,6 +624,22 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(Region
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String parent =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The "resource name" of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -442,6 +663,27 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(String
   /**
    * Lists autoscaling policies in the project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   ListAutoscalingPoliciesRequest request =
+   *       ListAutoscalingPoliciesRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (AutoscalingPolicy element :
+   *       autoscalingPolicyServiceClient.listAutoscalingPolicies(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -455,6 +697,27 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Lists autoscaling policies in the project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   ListAutoscalingPoliciesRequest request =
+   *       ListAutoscalingPoliciesRequest.newBuilder()
+   *           .setParent(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<AutoscalingPolicy> future =
+   *       autoscalingPolicyServiceClient.listAutoscalingPoliciesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (AutoscalingPolicy element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListAutoscalingPoliciesRequest, ListAutoscalingPoliciesPagedResponse>
       listAutoscalingPoliciesPagedCallable() {
@@ -466,6 +729,25 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Lists autoscaling policies in the project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   while (true) {
+   *     ListAutoscalingPoliciesResponse response =
+   *         autoscalingPolicyServiceClient.listAutoscalingPoliciesCallable().call(request);
+   *     for (AutoscalingPolicy element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListAutoscalingPoliciesRequest, ListAutoscalingPoliciesResponse>
       listAutoscalingPoliciesCallable() {
@@ -477,6 +759,18 @@ public final ListAutoscalingPoliciesPagedResponse listAutoscalingPolicies(
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   AutoscalingPolicyName name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *           "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]");
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -505,6 +799,19 @@ public final void deleteAutoscalingPolicy(AutoscalingPolicyName name) {
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   String name =
+   *       AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *               "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *           .toString();
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The "resource name" of the autoscaling policy, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -531,6 +838,22 @@ public final void deleteAutoscalingPolicy(String name) {
    * Deletes an autoscaling policy. It is an error to delete an autoscaling policy that is in use by
    * one or more clusters.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   DeleteAutoscalingPolicyRequest request =
+   *       DeleteAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   autoscalingPolicyServiceClient.deleteAutoscalingPolicy(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -544,6 +867,23 @@ public final void deleteAutoscalingPolicy(DeleteAutoscalingPolicyRequest request
    * one or more clusters.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+   *     AutoscalingPolicyServiceClient.create()) {
+   *   DeleteAutoscalingPolicyRequest request =
+   *       DeleteAutoscalingPolicyRequest.newBuilder()
+   *           .setName(
+   *               AutoscalingPolicyName.ofProjectLocationAutoscalingPolicyName(
+   *                       "[PROJECT]", "[LOCATION]", "[AUTOSCALING_POLICY]")
+   *                   .toString())
+   *           .build();
+   *   ApiFuture<Empty> future =
+   *       autoscalingPolicyServiceClient.deleteAutoscalingPolicyCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteAutoscalingPolicyRequest, Empty>
       deleteAutoscalingPolicyCallable() {
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterControllerClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterControllerClient.java
index cebe3f20..e22a9611 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterControllerClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterControllerClient.java
@@ -48,6 +48,15 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   String clusterName = "clusterName-1141738587";
+ *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the ClusterControllerClient object to clean up resources
  * such as threads. In the example above, try-with-resources is used, which automatically calls
  * close().
@@ -168,6 +177,18 @@ public final OperationsClient getOperationsClient() {
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Cluster cluster = Cluster.newBuilder().build();
+   *   Cluster response =
+   *       clusterControllerClient.createClusterAsync(projectId, region, cluster).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -191,6 +212,21 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Cluster response = clusterControllerClient.createClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -206,6 +242,22 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Cluster, ClusterOperationMetadata> future =
+   *       clusterControllerClient.createClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<CreateClusterRequest, Cluster, ClusterOperationMetadata>
       createClusterOperationCallable() {
@@ -219,6 +271,22 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> createClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   CreateClusterRequest request =
+   *       CreateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.createClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateClusterRequest, Operation> createClusterCallable() {
     return stub.createClusterCallable();
@@ -230,6 +298,22 @@ public final UnaryCallable<CreateClusterRequest, Operation> createClusterCallabl
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   Cluster cluster = Cluster.newBuilder().build();
+   *   FieldMask updateMask = FieldMask.newBuilder().build();
+   *   Cluster response =
+   *       clusterControllerClient
+   *           .updateClusterAsync(projectId, region, clusterName, cluster, updateMask)
+   *           .get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project the cluster belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param clusterName Required. The cluster name.
@@ -281,6 +365,24 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Cluster response = clusterControllerClient.updateClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -296,6 +398,25 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Cluster, ClusterOperationMetadata> future =
+   *       clusterControllerClient.updateClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<UpdateClusterRequest, Cluster, ClusterOperationMetadata>
       updateClusterOperationCallable() {
@@ -309,6 +430,25 @@ public final OperationFuture<Cluster, ClusterOperationMetadata> updateClusterAsy
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   UpdateClusterRequest request =
+   *       UpdateClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setCluster(Cluster.newBuilder().build())
+   *           .setGracefulDecommissionTimeout(Duration.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.updateClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateClusterRequest, Operation> updateClusterCallable() {
     return stub.updateClusterCallable();
@@ -320,6 +460,17 @@ public final UnaryCallable<UpdateClusterRequest, Operation> updateClusterCallabl
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   clusterControllerClient.deleteClusterAsync(projectId, region, clusterName).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -343,6 +494,22 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [Operation.metadata][google.longrunning.Operation.metadata] will be
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   clusterControllerClient.deleteClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -358,6 +525,23 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, ClusterOperationMetadata> future =
+   *       clusterControllerClient.deleteClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<DeleteClusterRequest, Empty, ClusterOperationMetadata>
       deleteClusterOperationCallable() {
@@ -371,6 +555,23 @@ public final OperationFuture<Empty, ClusterOperationMetadata> deleteClusterAsync
    * [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1beta2#clusteroperationmetadata).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DeleteClusterRequest request =
+   *       DeleteClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setClusterUuid("clusterUuid-1141510955")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.deleteClusterCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteClusterRequest, Operation> deleteClusterCallable() {
     return stub.deleteClusterCallable();
@@ -380,6 +581,17 @@ public final UnaryCallable<DeleteClusterRequest, Operation> deleteClusterCallabl
   /**
    * Gets the resource representation for a cluster in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -400,6 +612,20 @@ public final Cluster getCluster(String projectId, String region, String clusterN
   /**
    * Gets the resource representation for a cluster in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   GetClusterRequest request =
+   *       GetClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   Cluster response = clusterControllerClient.getCluster(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -412,6 +638,20 @@ public final Cluster getCluster(GetClusterRequest request) {
    * Gets the resource representation for a cluster in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   GetClusterRequest request =
+   *       GetClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   ApiFuture<Cluster> future = clusterControllerClient.getClusterCallable().futureCall(request);
+   *   // Do something.
+   *   Cluster response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetClusterRequest, Cluster> getClusterCallable() {
     return stub.getClusterCallable();
@@ -421,6 +661,18 @@ public final UnaryCallable<GetClusterRequest, Cluster> getClusterCallable() {
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   for (Cluster element : clusterControllerClient.listClusters(projectId, region).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -436,6 +688,20 @@ public final ListClustersPagedResponse listClusters(String projectId, String reg
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String filter = "filter-1274492040";
+   *   for (Cluster element :
+   *       clusterControllerClient.listClusters(projectId, region, filter).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -470,6 +736,24 @@ public final ListClustersPagedResponse listClusters(
   /**
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   ListClustersRequest request =
+   *       ListClustersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setFilter("filter-1274492040")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (Cluster element : clusterControllerClient.listClusters(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -482,6 +766,25 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   ListClustersRequest request =
+   *       ListClustersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setFilter("filter-1274492040")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<Cluster> future =
+   *       clusterControllerClient.listClustersPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Cluster element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListClustersRequest, ListClustersPagedResponse>
       listClustersPagedCallable() {
@@ -493,6 +796,24 @@ public final ListClustersPagedResponse listClusters(ListClustersRequest request)
    * Lists all regions/{region}/clusters in a project alphabetically.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   while (true) {
+   *     ListClustersResponse response =
+   *         clusterControllerClient.listClustersCallable().call(request);
+   *     for (Cluster element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListClustersRequest, ListClustersResponse> listClustersCallable() {
     return stub.listClustersCallable();
@@ -506,6 +827,17 @@ public final UnaryCallable<ListClustersRequest, ListClustersResponse> listCluste
    * After the operation completes, [Operation.response][google.longrunning.Operation.response]
    * contains [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String clusterName = "clusterName-1141738587";
+   *   clusterControllerClient.diagnoseClusterAsync(projectId, region, clusterName).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the cluster belongs
    *     to.
    * @param region Required. The Dataproc region in which to handle the request.
@@ -531,6 +863,20 @@ public final OperationFuture<Empty, ClusterOperationMetadata> diagnoseClusterAsy
    * After the operation completes, [Operation.response][google.longrunning.Operation.response]
    * contains [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   clusterControllerClient.diagnoseClusterAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -548,6 +894,21 @@ public final OperationFuture<Empty, ClusterOperationMetadata> diagnoseClusterAsy
    * contains [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   OperationFuture<Empty, ClusterOperationMetadata> future =
+   *       clusterControllerClient.diagnoseClusterOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<DiagnoseClusterRequest, Empty, ClusterOperationMetadata>
       diagnoseClusterOperationCallable() {
@@ -563,6 +924,21 @@ public final OperationFuture<Empty, ClusterOperationMetadata> diagnoseClusterAsy
    * contains [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+   *   DiagnoseClusterRequest request =
+   *       DiagnoseClusterRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setClusterName("clusterName-1141738587")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       clusterControllerClient.diagnoseClusterCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DiagnoseClusterRequest, Operation> diagnoseClusterCallable() {
     return stub.diagnoseClusterCallable();
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/JobControllerClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/JobControllerClient.java
index 9e0fefd5..0ffd23e4 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/JobControllerClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/JobControllerClient.java
@@ -46,6 +46,15 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   Job job = Job.newBuilder().build();
+ *   Job response = jobControllerClient.submitJob(projectId, region, job);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the JobControllerClient object to clean up resources such
  * as threads. In the example above, try-with-resources is used, which automatically calls close().
  *
@@ -161,6 +170,17 @@ public final OperationsClient getOperationsClient() {
   /**
    * Submits a job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Job job = Job.newBuilder().build();
+   *   Job response = jobControllerClient.submitJob(projectId, region, job);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param job Required. The job resource.
@@ -176,6 +196,21 @@ public final Job submitJob(String projectId, String region, Job job) {
   /**
    * Submits a job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Job response = jobControllerClient.submitJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -188,6 +223,21 @@ public final Job submitJob(SubmitJobRequest request) {
    * Submits a job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.submitJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<SubmitJobRequest, Job> submitJobCallable() {
     return stub.submitJobCallable();
@@ -197,6 +247,17 @@ public final UnaryCallable<SubmitJobRequest, Job> submitJobCallable() {
   /**
    * Submits job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   Job job = Job.newBuilder().build();
+   *   Job response = jobControllerClient.submitJobAsOperationAsync(projectId, region, job).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param job Required. The job resource.
@@ -213,6 +274,21 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
   /**
    * Submits job to a cluster.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   Job response = jobControllerClient.submitJobAsOperationAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -226,6 +302,22 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
    * Submits job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Job, JobMetadata> future =
+   *       jobControllerClient.submitJobAsOperationOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<SubmitJobRequest, Job, JobMetadata>
       submitJobAsOperationOperationCallable() {
@@ -237,6 +329,22 @@ public final OperationFuture<Job, JobMetadata> submitJobAsOperationAsync(
    * Submits job to a cluster.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   SubmitJobRequest request =
+   *       SubmitJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJob(Job.newBuilder().build())
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       jobControllerClient.submitJobAsOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<SubmitJobRequest, Operation> submitJobAsOperationCallable() {
     return stub.submitJobAsOperationCallable();
@@ -246,6 +354,17 @@ public final UnaryCallable<SubmitJobRequest, Operation> submitJobAsOperationCall
   /**
    * Gets the resource representation for a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   Job response = jobControllerClient.getJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -265,6 +384,20 @@ public final Job getJob(String projectId, String region, String jobId) {
   /**
    * Gets the resource representation for a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   GetJobRequest request =
+   *       GetJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   Job response = jobControllerClient.getJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -277,6 +410,20 @@ public final Job getJob(GetJobRequest request) {
    * Gets the resource representation for a job in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   GetJobRequest request =
+   *       GetJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.getJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetJobRequest, Job> getJobCallable() {
     return stub.getJobCallable();
@@ -286,6 +433,18 @@ public final UnaryCallable<GetJobRequest, Job> getJobCallable() {
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   for (Job element : jobControllerClient.listJobs(projectId, region).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -300,6 +459,19 @@ public final ListJobsPagedResponse listJobs(String projectId, String region) {
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String filter = "filter-1274492040";
+   *   for (Job element : jobControllerClient.listJobs(projectId, region, filter).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param filter Optional. A filter constraining the jobs to list. Filters are case-sensitive and
@@ -327,6 +499,25 @@ public final ListJobsPagedResponse listJobs(String projectId, String region, Str
   /**
    * Lists regions/{region}/jobs in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   ListJobsRequest request =
+   *       ListJobsRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   for (Job element : jobControllerClient.listJobs(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -339,6 +530,25 @@ public final ListJobsPagedResponse listJobs(ListJobsRequest request) {
    * Lists regions/{region}/jobs in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   ListJobsRequest request =
+   *       ListJobsRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setClusterName("clusterName-1141738587")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.listJobsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Job element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListJobsRequest, ListJobsPagedResponse> listJobsPagedCallable() {
     return stub.listJobsPagedCallable();
@@ -349,6 +559,23 @@ public final UnaryCallable<ListJobsRequest, ListJobsPagedResponse> listJobsPaged
    * Lists regions/{region}/jobs in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   while (true) {
+   *     ListJobsResponse response = jobControllerClient.listJobsCallable().call(request);
+   *     for (Job element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListJobsRequest, ListJobsResponse> listJobsCallable() {
     return stub.listJobsCallable();
@@ -358,6 +585,22 @@ public final UnaryCallable<ListJobsRequest, ListJobsResponse> listJobsCallable()
   /**
    * Updates a job in a project.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   UpdateJobRequest request =
+   *       UpdateJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .setJob(Job.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   Job response = jobControllerClient.updateJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -370,6 +613,22 @@ public final Job updateJob(UpdateJobRequest request) {
    * Updates a job in a project.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   UpdateJobRequest request =
+   *       UpdateJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .setJob(Job.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.updateJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateJobRequest, Job> updateJobCallable() {
     return stub.updateJobCallable();
@@ -382,6 +641,17 @@ public final UnaryCallable<UpdateJobRequest, Job> updateJobCallable() {
    * or
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1beta2/projects.regions.jobs/get).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   Job response = jobControllerClient.cancelJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -404,6 +674,20 @@ public final Job cancelJob(String projectId, String region, String jobId) {
    * or
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1beta2/projects.regions.jobs/get).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   CancelJobRequest request =
+   *       CancelJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   Job response = jobControllerClient.cancelJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -419,6 +703,20 @@ public final Job cancelJob(CancelJobRequest request) {
    * [regions/{region}/jobs.get](https://cloud.google.com/dataproc/docs/reference/rest/v1beta2/projects.regions.jobs/get).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   CancelJobRequest request =
+   *       CancelJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Job> future = jobControllerClient.cancelJobCallable().futureCall(request);
+   *   // Do something.
+   *   Job response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CancelJobRequest, Job> cancelJobCallable() {
     return stub.cancelJobCallable();
@@ -429,6 +727,17 @@ public final UnaryCallable<CancelJobRequest, Job> cancelJobCallable() {
    * Deletes the job from the project. If the job is active, the delete fails, and the response
    * returns `FAILED_PRECONDITION`.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String region = "region-934795532";
+   *   String jobId = "jobId101296568";
+   *   jobControllerClient.deleteJob(projectId, region, jobId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
    * @param region Required. The Dataproc region in which to handle the request.
    * @param jobId Required. The job ID.
@@ -449,6 +758,20 @@ public final void deleteJob(String projectId, String region, String jobId) {
    * Deletes the job from the project. If the job is active, the delete fails, and the response
    * returns `FAILED_PRECONDITION`.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   DeleteJobRequest request =
+   *       DeleteJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   jobControllerClient.deleteJob(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -462,6 +785,20 @@ public final void deleteJob(DeleteJobRequest request) {
    * returns `FAILED_PRECONDITION`.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+   *   DeleteJobRequest request =
+   *       DeleteJobRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setRegion("region-934795532")
+   *           .setJobId("jobId101296568")
+   *           .build();
+   *   ApiFuture<Empty> future = jobControllerClient.deleteJobCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteJobRequest, Empty> deleteJobCallable() {
     return stub.deleteJobCallable();
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateServiceClient.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateServiceClient.java
index 7d13b92a..99f89e98 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateServiceClient.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateServiceClient.java
@@ -47,6 +47,16 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+ *     WorkflowTemplateServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+ *   WorkflowTemplate response =
+ *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the WorkflowTemplateServiceClient object to clean up
  * resources such as threads. In the example above, try-with-resources is used, which automatically
  * calls close().
@@ -166,6 +176,18 @@ public final OperationsClient getOperationsClient() {
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -194,6 +216,18 @@ public final WorkflowTemplate createWorkflowTemplate(
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -222,6 +256,21 @@ public final WorkflowTemplate createWorkflowTemplate(
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response =
+   *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -246,6 +295,23 @@ public final WorkflowTemplate createWorkflowTemplate(String parent, WorkflowTemp
   /**
    * Creates new workflow template.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   CreateWorkflowTemplateRequest request =
+   *       CreateWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.createWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -258,6 +324,24 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    * Creates new workflow template.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   CreateWorkflowTemplateRequest request =
+   *       CreateWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.createWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateWorkflowTemplateRequest, WorkflowTemplate>
       createWorkflowTemplateCallable() {
@@ -270,6 +354,18 @@ public final WorkflowTemplate createWorkflowTemplate(CreateWorkflowTemplateReque
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -299,6 +395,19 @@ public final WorkflowTemplate getWorkflowTemplate(WorkflowTemplateName name) {
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -326,6 +435,23 @@ public final WorkflowTemplate getWorkflowTemplate(String name) {
    *
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   GetWorkflowTemplateRequest request =
+   *       GetWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.getWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -340,6 +466,24 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * <p>Can retrieve previously instantiated template by specifying optional version parameter.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   GetWorkflowTemplateRequest request =
+   *       GetWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.getWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetWorkflowTemplateRequest, WorkflowTemplate>
       getWorkflowTemplateCallable() {
@@ -366,6 +510,18 @@ public final WorkflowTemplate getWorkflowTemplate(GetWorkflowTemplateRequest req
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -410,6 +566,19 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -452,6 +621,19 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   Map<String, String> parameters = new HashMap<>();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name, parameters).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -499,6 +681,20 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   Map<String, String> parameters = new HashMap<>();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(name, parameters).get();
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -546,6 +742,26 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   workflowTemplateServiceClient.instantiateWorkflowTemplateAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -575,6 +791,29 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   OperationFuture<Empty, WorkflowMetadata> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateWorkflowTemplateOperationCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<InstantiateWorkflowTemplateRequest, Empty, WorkflowMetadata>
       instantiateWorkflowTemplateOperationCallable() {
@@ -602,6 +841,27 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateWorkflowTemplateRequest request =
+   *       InstantiateWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .putAllParameters(new HashMap<String, String>())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       workflowTemplateServiceClient.instantiateWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<InstantiateWorkflowTemplateRequest, Operation>
       instantiateWorkflowTemplateCallable() {
@@ -633,6 +893,17 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateWorkflowTemplat
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -682,6 +953,17 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -731,6 +1013,20 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, template).get();
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -780,6 +1076,25 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * <p>On successful completion, [Operation.response][google.longrunning.Operation.response] will
    * be [Empty][google.protobuf.Empty].
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(request).get();
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -814,6 +1129,28 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   OperationFuture<Empty, WorkflowMetadata> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateInlineWorkflowTemplateOperationCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<InstantiateInlineWorkflowTemplateRequest, Empty, WorkflowMetadata>
       instantiateInlineWorkflowTemplateOperationCallable() {
@@ -846,6 +1183,28 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * be [Empty][google.protobuf.Empty].
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   InstantiateInlineWorkflowTemplateRequest request =
+   *       InstantiateInlineWorkflowTemplateRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .setInstanceId("instanceId902024336")
+   *           .setRequestId("requestId693933066")
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       workflowTemplateServiceClient
+   *           .instantiateInlineWorkflowTemplateCallable()
+   *           .futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<InstantiateInlineWorkflowTemplateRequest, Operation>
       instantiateInlineWorkflowTemplateCallable() {
@@ -857,6 +1216,16 @@ public final OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowT
    * Updates (replaces) workflow template. The updated template must contain version that matches
    * the current server version.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.updateWorkflowTemplate(template);
+   * }
+   * }</pre>
+   *
    * @param template Required. The updated workflow template.
    *     <p>The `template.version` field must match the current version.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -872,6 +1241,19 @@ public final WorkflowTemplate updateWorkflowTemplate(WorkflowTemplate template)
    * Updates (replaces) workflow template. The updated template must contain version that matches
    * the current server version.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   UpdateWorkflowTemplateRequest request =
+   *       UpdateWorkflowTemplateRequest.newBuilder()
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   WorkflowTemplate response = workflowTemplateServiceClient.updateWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -885,6 +1267,20 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
    * the current server version.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   UpdateWorkflowTemplateRequest request =
+   *       UpdateWorkflowTemplateRequest.newBuilder()
+   *           .setTemplate(WorkflowTemplate.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.updateWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   WorkflowTemplate response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateWorkflowTemplateRequest, WorkflowTemplate>
       updateWorkflowTemplateCallable() {
@@ -895,6 +1291,19 @@ public final WorkflowTemplate updateWorkflowTemplate(UpdateWorkflowTemplateReque
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -920,6 +1329,19 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(LocationNa
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   RegionName parent = RegionName.of("[PROJECT]", "[REGION]");
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -945,6 +1367,22 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(RegionName
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String parent =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param parent Required. The resource name of the region or location, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -968,6 +1406,27 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(String par
   /**
    * Lists workflows that match the specified filter in the request.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   ListWorkflowTemplatesRequest request =
+   *       ListWorkflowTemplatesRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (WorkflowTemplate element :
+   *       workflowTemplateServiceClient.listWorkflowTemplates(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -981,6 +1440,27 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * Lists workflows that match the specified filter in the request.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   ListWorkflowTemplatesRequest request =
+   *       ListWorkflowTemplatesRequest.newBuilder()
+   *           .setParent(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<WorkflowTemplate> future =
+   *       workflowTemplateServiceClient.listWorkflowTemplatesPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (WorkflowTemplate element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListWorkflowTemplatesRequest, ListWorkflowTemplatesPagedResponse>
       listWorkflowTemplatesPagedCallable() {
@@ -992,6 +1472,25 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
    * Lists workflows that match the specified filter in the request.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   while (true) {
+   *     ListWorkflowTemplatesResponse response =
+   *         workflowTemplateServiceClient.listWorkflowTemplatesCallable().call(request);
+   *     for (WorkflowTemplate element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListWorkflowTemplatesRequest, ListWorkflowTemplatesResponse>
       listWorkflowTemplatesCallable() {
@@ -1002,6 +1501,18 @@ public final ListWorkflowTemplatesPagedResponse listWorkflowTemplates(
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   WorkflowTemplateName name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *           "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]");
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -1029,6 +1540,19 @@ public final void deleteWorkflowTemplate(WorkflowTemplateName name) {
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   String name =
+   *       WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *               "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *           .toString();
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(name);
+   * }
+   * }</pre>
+   *
    * @param name Required. The resource name of the workflow template, as described in
    *     https://cloud.google.com/apis/design/resource_names.
    *     <ul>
@@ -1054,6 +1578,23 @@ public final void deleteWorkflowTemplate(String name) {
   /**
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   DeleteWorkflowTemplateRequest request =
+   *       DeleteWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   workflowTemplateServiceClient.deleteWorkflowTemplate(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1066,6 +1607,24 @@ public final void deleteWorkflowTemplate(DeleteWorkflowTemplateRequest request)
    * Deletes a workflow template. It does not cancel in-progress workflows.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+   *     WorkflowTemplateServiceClient.create()) {
+   *   DeleteWorkflowTemplateRequest request =
+   *       DeleteWorkflowTemplateRequest.newBuilder()
+   *           .setName(
+   *               WorkflowTemplateName.ofProjectRegionWorkflowTemplateName(
+   *                       "[PROJECT]", "[REGION]", "[WORKFLOW_TEMPLATE]")
+   *                   .toString())
+   *           .setVersion(351608024)
+   *           .build();
+   *   ApiFuture<Empty> future =
+   *       workflowTemplateServiceClient.deleteWorkflowTemplateCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteWorkflowTemplateRequest, Empty>
       deleteWorkflowTemplateCallable() {
diff --git a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/package-info.java b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/package-info.java
index 4fc507e1..726b57a2 100644
--- a/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/package-info.java
+++ b/google-cloud-dataproc/src/main/java/com/google/cloud/dataproc/v1beta2/package-info.java
@@ -24,6 +24,16 @@
  *
  * <p>Sample for AutoscalingPolicyServiceClient:
  *
+ * <pre>{@code
+ * try (AutoscalingPolicyServiceClient autoscalingPolicyServiceClient =
+ *     AutoscalingPolicyServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   AutoscalingPolicy policy = AutoscalingPolicy.newBuilder().build();
+ *   AutoscalingPolicy response =
+ *       autoscalingPolicyServiceClient.createAutoscalingPolicy(parent, policy);
+ * }
+ * }</pre>
+ *
  * <p>======================= ClusterControllerClient =======================
  *
  * <p>Service Description: The ClusterControllerService provides methods to manage clusters of
@@ -31,17 +41,45 @@
  *
  * <p>Sample for ClusterControllerClient:
  *
+ * <pre>{@code
+ * try (ClusterControllerClient clusterControllerClient = ClusterControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   String clusterName = "clusterName-1141738587";
+ *   Cluster response = clusterControllerClient.getCluster(projectId, region, clusterName);
+ * }
+ * }</pre>
+ *
  * <p>======================= JobControllerClient =======================
  *
  * <p>Service Description: The JobController provides methods to manage jobs.
  *
  * <p>Sample for JobControllerClient:
  *
+ * <pre>{@code
+ * try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String region = "region-934795532";
+ *   Job job = Job.newBuilder().build();
+ *   Job response = jobControllerClient.submitJob(projectId, region, job);
+ * }
+ * }</pre>
+ *
  * <p>======================= WorkflowTemplateServiceClient =======================
  *
  * <p>Service Description: The API interface for managing Workflow Templates in the Dataproc API.
  *
  * <p>Sample for WorkflowTemplateServiceClient:
+ *
+ * <pre>{@code
+ * try (WorkflowTemplateServiceClient workflowTemplateServiceClient =
+ *     WorkflowTemplateServiceClient.create()) {
+ *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+ *   WorkflowTemplate template = WorkflowTemplate.newBuilder().build();
+ *   WorkflowTemplate response =
+ *       workflowTemplateServiceClient.createWorkflowTemplate(parent, template);
+ * }
+ * }</pre>
  */
 @Generated("by gapic-generator-java")
 package com.google.cloud.dataproc.v1beta2;
diff --git a/synth.metadata b/synth.metadata
index c97959fe..e1ece754 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,23 +4,23 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-dataproc.git",
-        "sha": "fb1262dc4e427d5cfb6196f24c00f865b7573bcd"
+        "sha": "24065636d88e9ac7818921717f8ed06e77cc2ebc"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "91e206bcfeaf8948ea03fe3cb1b7616108496cd3",
-        "internalRef": "350949863"
+        "sha": "8d8c008e56f1af31d57f75561e0f1848ffb29eeb",
+        "internalRef": "356341083"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "91e206bcfeaf8948ea03fe3cb1b7616108496cd3",
-        "internalRef": "350949863"
+        "sha": "8d8c008e56f1af31d57f75561e0f1848ffb29eeb",
+        "internalRef": "356341083"
       }
     },
     {