Class ExtensionRegistryServiceClient (3.52.0)

 // 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ExtensionName name = ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]");
   Extension response = extensionRegistryServiceClient.getExtension(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
 ExtensionRegistryServiceSettings extensionRegistryServiceSettings =
     ExtensionRegistryServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create(extensionRegistryServiceSettings);
 

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

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   DeleteExtensionRequest request =
       DeleteExtensionRequest.newBuilder()
           .setName(ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString())
           .build();
   extensionRegistryServiceClient.deleteExtensionAsync(request).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ExtensionName name = ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]");
   extensionRegistryServiceClient.deleteExtensionAsync(name).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   String name = ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString();
   extensionRegistryServiceClient.deleteExtensionAsync(name).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   DeleteExtensionRequest request =
       DeleteExtensionRequest.newBuilder()
           .setName(ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString())
           .build();
   ApiFuture<Operation> future =
       extensionRegistryServiceClient.deleteExtensionCallable().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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   DeleteExtensionRequest request =
       DeleteExtensionRequest.newBuilder()
           .setName(ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString())
           .build();
   OperationFuture<Empty, DeleteOperationMetadata> future =
       extensionRegistryServiceClient.deleteExtensionOperationCallable().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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ExtensionName name = ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]");
   Extension response = extensionRegistryServiceClient.getExtension(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetExtensionRequest request =
       GetExtensionRequest.newBuilder()
           .setName(ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString())
           .build();
   Extension response = extensionRegistryServiceClient.getExtension(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   String name = ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString();
   Extension response = extensionRegistryServiceClient.getExtension(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetExtensionRequest request =
       GetExtensionRequest.newBuilder()
           .setName(ExtensionName.of("[PROJECT]", "[LOCATION]", "[EXTENSION]").toString())
           .build();
   ApiFuture<Extension> future =
       extensionRegistryServiceClient.getExtensionCallable().futureCall(request);
   // Do something.
   Extension 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetIamPolicyRequest request =
       GetIamPolicyRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .setOptions(GetPolicyOptions.newBuilder().build())
           .build();
   Policy response = extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetIamPolicyRequest request =
       GetIamPolicyRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .setOptions(GetPolicyOptions.newBuilder().build())
           .build();
   ApiFuture<Policy> future =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   Location response = extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   ApiFuture<Location> future =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ImportExtensionRequest request =
       ImportExtensionRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setExtension(Extension.newBuilder().build())
           .build();
   Extension response = extensionRegistryServiceClient.importExtensionAsync(request).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
   Extension extension = Extension.newBuilder().build();
   Extension response =
       extensionRegistryServiceClient.importExtensionAsync(parent, extension).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
   Extension extension = Extension.newBuilder().build();
   Extension response =
       extensionRegistryServiceClient.importExtensionAsync(parent, extension).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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ImportExtensionRequest request =
       ImportExtensionRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setExtension(Extension.newBuilder().build())
           .build();
   ApiFuture<Operation> future =
       extensionRegistryServiceClient.importExtensionCallable().futureCall(request);
   // Do something.
   Operation 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ImportExtensionRequest request =
       ImportExtensionRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setExtension(Extension.newBuilder().build())
           .build();
   OperationFuture<Extension, ImportExtensionOperationMetadata> future =
       extensionRegistryServiceClient.importExtensionOperationCallable().futureCall(request);
   // Do something.
   Extension 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListExtensionsRequest request =
       ListExtensionsRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setOrderBy("orderBy-1207110587")
           .build();
   for (Extension element :
       extensionRegistryServiceClient.listExtensions(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
   for (Extension element : extensionRegistryServiceClient.listExtensions(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
   for (Extension element : extensionRegistryServiceClient.listExtensions(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListExtensionsRequest request =
       ListExtensionsRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setOrderBy("orderBy-1207110587")
           .build();
   while (true) {
     ListExtensionsResponse response =
         extensionRegistryServiceClient.listExtensionsCallable().call(request);
     for (Extension element : response.getExtensionsList()) {
       // 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListExtensionsRequest request =
       ListExtensionsRequest.newBuilder()
           .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setOrderBy("orderBy-1207110587")
           .build();
   ApiFuture<Extension> future =
       extensionRegistryServiceClient.listExtensionsPagedCallable().futureCall(request);
   // Do something.
   for (Extension 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Location element : extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListLocationsResponse response =
         extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Location> future =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   SetIamPolicyRequest request =
       SetIamPolicyRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .setPolicy(Policy.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   Policy response = extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   SetIamPolicyRequest request =
       SetIamPolicyRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .setPolicy(Policy.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   ApiFuture<Policy> future =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   TestIamPermissionsRequest request =
       TestIamPermissionsRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .addAllPermissions(new ArrayList<String>())
           .build();
   TestIamPermissionsResponse response =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   TestIamPermissionsRequest request =
       TestIamPermissionsRequest.newBuilder()
           .setResource(
               EndpointName.ofProjectLocationEndpointName(
                       "[PROJECT]", "[LOCATION]", "[ENDPOINT]")
                   .toString())
           .addAllPermissions(new ArrayList<String>())
           .build();
   ApiFuture<TestIamPermissionsResponse> future =
       extensionRegistryServiceClient.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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   Extension extension = Extension.newBuilder().build();
   FieldMask updateMask = FieldMask.newBuilder().build();
   Extension response = extensionRegistryServiceClient.updateExtension(extension, 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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   UpdateExtensionRequest request =
       UpdateExtensionRequest.newBuilder()
           .setExtension(Extension.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   Extension response = extensionRegistryServiceClient.updateExtension(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 (ExtensionRegistryServiceClient extensionRegistryServiceClient =
     ExtensionRegistryServiceClient.create()) {
   UpdateExtensionRequest request =
       UpdateExtensionRequest.newBuilder()
           .setExtension(Extension.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   ApiFuture<Extension> future =
       extensionRegistryServiceClient.updateExtensionCallable().futureCall(request);
   // Do something.
   Extension response = future.get();
 }