Class ContentServiceClient (1.47.0)

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   LakeName parent = LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]");
   Content content = Content.newBuilder().build();
   Content response = contentServiceClient.createContent(parent, content);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 ContentServiceSettings contentServiceSettings =
     ContentServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 ContentServiceClient contentServiceClient = ContentServiceClient.create(contentServiceSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 ContentServiceSettings contentServiceSettings =
     ContentServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 ContentServiceClient contentServiceClient = ContentServiceClient.create(contentServiceSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 ContentServiceSettings contentServiceSettings =
     ContentServiceSettings.newHttpJsonBuilder().build();
 ContentServiceClient contentServiceClient = ContentServiceClient.create(contentServiceSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   CreateContentRequest request =
       CreateContentRequest.newBuilder()
           .setParent(LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString())
           .setContent(Content.newBuilder().build())
           .setValidateOnly(true)
           .build();
   Content response = contentServiceClient.createContent(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   LakeName parent = LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]");
   Content content = Content.newBuilder().build();
   Content response = contentServiceClient.createContent(parent, content);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   String parent = LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString();
   Content content = Content.newBuilder().build();
   Content response = contentServiceClient.createContent(parent, content);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   CreateContentRequest request =
       CreateContentRequest.newBuilder()
           .setParent(LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString())
           .setContent(Content.newBuilder().build())
           .setValidateOnly(true)
           .build();
   ApiFuture<Content> future = contentServiceClient.createContentCallable().futureCall(request);
   // Do something.
   Content response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ContentName name = ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]");
   contentServiceClient.deleteContent(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   DeleteContentRequest request =
       DeleteContentRequest.newBuilder()
           .setName(ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .build();
   contentServiceClient.deleteContent(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   String name = ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString();
   contentServiceClient.deleteContent(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   DeleteContentRequest request =
       DeleteContentRequest.newBuilder()
           .setName(ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .build();
   ApiFuture<Empty> future = contentServiceClient.deleteContentCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ContentName name = ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]");
   Content response = contentServiceClient.getContent(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetContentRequest request =
       GetContentRequest.newBuilder()
           .setName(ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .build();
   Content response = contentServiceClient.getContent(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   String name = ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString();
   Content response = contentServiceClient.getContent(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetContentRequest request =
       GetContentRequest.newBuilder()
           .setName(ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .build();
   ApiFuture<Content> future = contentServiceClient.getContentCallable().futureCall(request);
   // Do something.
   Content response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ResourceName resource = ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]");
   Policy response = contentServiceClient.getIamPolicy(resource);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetIamPolicyRequest request =
       GetIamPolicyRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .setOptions(GetPolicyOptions.newBuilder().build())
           .build();
   Policy response = contentServiceClient.getIamPolicy(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   String resource = AspectTypeName.of("[PROJECT]", "[LOCATION]", "[ASPECT_TYPE]").toString();
   Policy response = contentServiceClient.getIamPolicy(resource);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetIamPolicyRequest request =
       GetIamPolicyRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .setOptions(GetPolicyOptions.newBuilder().build())
           .build();
   ApiFuture<Policy> future = contentServiceClient.getIamPolicyCallable().futureCall(request);
   // Do something.
   Policy response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   Location response = contentServiceClient.getLocation(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   ApiFuture<Location> future = contentServiceClient.getLocationCallable().futureCall(request);
   // Do something.
   Location response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   LakeName parent = LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]");
   for (Content element : contentServiceClient.listContent(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListContentRequest request =
       ListContentRequest.newBuilder()
           .setParent(LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   for (Content element : contentServiceClient.listContent(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   String parent = LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString();
   for (Content element : contentServiceClient.listContent(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListContentRequest request =
       ListContentRequest.newBuilder()
           .setParent(LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   while (true) {
     ListContentResponse response = contentServiceClient.listContentCallable().call(request);
     for (Content element : response.getContentList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListContentRequest request =
       ListContentRequest.newBuilder()
           .setParent(LakeName.of("[PROJECT]", "[LOCATION]", "[LAKE]").toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   ApiFuture<Content> future =
       contentServiceClient.listContentPagedCallable().futureCall(request);
   // Do something.
   for (Content element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Location element : contentServiceClient.listLocations(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListLocationsResponse response = contentServiceClient.listLocationsCallable().call(request);
     for (Location element : response.getLocationsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Location> future =
       contentServiceClient.listLocationsPagedCallable().futureCall(request);
   // Do something.
   for (Location element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   SetIamPolicyRequest request =
       SetIamPolicyRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .setPolicy(Policy.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   Policy response = contentServiceClient.setIamPolicy(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   SetIamPolicyRequest request =
       SetIamPolicyRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .setPolicy(Policy.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   ApiFuture<Policy> future = contentServiceClient.setIamPolicyCallable().futureCall(request);
   // Do something.
   Policy response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   TestIamPermissionsRequest request =
       TestIamPermissionsRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .addAllPermissions(new ArrayList<String>())
           .build();
   TestIamPermissionsResponse response = contentServiceClient.testIamPermissions(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   TestIamPermissionsRequest request =
       TestIamPermissionsRequest.newBuilder()
           .setResource(
               ContentName.of("[PROJECT]", "[LOCATION]", "[LAKE]", "[CONTENT]").toString())
           .addAllPermissions(new ArrayList<String>())
           .build();
   ApiFuture<TestIamPermissionsResponse> future =
       contentServiceClient.testIamPermissionsCallable().futureCall(request);
   // Do something.
   TestIamPermissionsResponse response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   Content content = Content.newBuilder().build();
   FieldMask updateMask = FieldMask.newBuilder().build();
   Content response = contentServiceClient.updateContent(content, updateMask);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   UpdateContentRequest request =
       UpdateContentRequest.newBuilder()
           .setUpdateMask(FieldMask.newBuilder().build())
           .setContent(Content.newBuilder().build())
           .setValidateOnly(true)
           .build();
   Content response = contentServiceClient.updateContent(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ContentServiceClient contentServiceClient = ContentServiceClient.create()) {
   UpdateContentRequest request =
       UpdateContentRequest.newBuilder()
           .setUpdateMask(FieldMask.newBuilder().build())
           .setContent(Content.newBuilder().build())
           .setValidateOnly(true)
           .build();
   ApiFuture<Content> future = contentServiceClient.updateContentCallable().futureCall(request);
   // Do something.
   Content response = future.get();
 }