How to use com.google.longrunning.stub

@Override
public Operation getOperation(String name) throws SpannerException {
 GetOperationRequest request = GetOperationRequest.newBuilder().setName(name).build();
 GrpcCallContext context = newCallContext(null, name);
 return get(
   databaseAdminStub.getOperationsStub().getOperationCallable().futureCall(request, context));
}

/**
 * Constructs an instance of GrpcVideoIntelligenceServiceStub, using the given settings. This is
 * protected so that it is easy to make a subclass, but otherwise, the static factory methods
 * should be preferred.
 */
protected GrpcVideoIntelligenceServiceStub(
  VideoIntelligenceServiceStubSettings settings,
  ClientContext clientContext,
  GrpcStubCallableFactory callableFactory)
  throws IOException {
 this.callableFactory = callableFactory;
 this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);
 GrpcCallSettings<AnnotateVideoRequest, Operation> annotateVideoTransportSettings =
   GrpcCallSettings.<AnnotateVideoRequest, Operation>newBuilder()
     .setMethodDescriptor(annotateVideoMethodDescriptor)
     .build();
 this.annotateVideoCallable =
   callableFactory.createUnaryCallable(
     annotateVideoTransportSettings, settings.annotateVideoSettings(), clientContext);
 this.annotateVideoOperationCallable =
   callableFactory.createOperationCallable(
     annotateVideoTransportSettings,
     settings.annotateVideoOperationSettings(),
     clientContext,
     this.operationsStub);
 backgroundResources = new BackgroundResourceAggregation(clientContext.getBackgroundResources());
}

/**
 * Constructs an instance of GrpcVideoIntelligenceServiceStub, using the given settings. This is
 * protected so that it is easy to make a subclass, but otherwise, the static factory methods
 * should be preferred.
 */
protected GrpcVideoIntelligenceServiceStub(
  VideoIntelligenceServiceStubSettings settings,
  ClientContext clientContext,
  GrpcStubCallableFactory callableFactory)
  throws IOException {
 this.callableFactory = callableFactory;
 this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);
 GrpcCallSettings<AnnotateVideoRequest, Operation> annotateVideoTransportSettings =
   GrpcCallSettings.<AnnotateVideoRequest, Operation>newBuilder()
     .setMethodDescriptor(annotateVideoMethodDescriptor)
     .build();
 this.annotateVideoCallable =
   callableFactory.createUnaryCallable(
     annotateVideoTransportSettings, settings.annotateVideoSettings(), clientContext);
 this.annotateVideoOperationCallable =
   callableFactory.createOperationCallable(
     annotateVideoTransportSettings,
     settings.annotateVideoOperationSettings(),
     clientContext,
     this.operationsStub);
 backgroundResources = new BackgroundResourceAggregation(clientContext.getBackgroundResources());
}

/**
 * Constructs an instance of GrpcVideoIntelligenceServiceStub, using the given settings. This is
 * protected so that it is easy to make a subclass, but otherwise, the static factory methods
 * should be preferred.
 */
protected GrpcVideoIntelligenceServiceStub(
  VideoIntelligenceServiceStubSettings settings,
  ClientContext clientContext,
  GrpcStubCallableFactory callableFactory)
  throws IOException {
 this.callableFactory = callableFactory;
 this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);
 GrpcCallSettings<AnnotateVideoRequest, Operation> annotateVideoTransportSettings =
   GrpcCallSettings.<AnnotateVideoRequest, Operation>newBuilder()
     .setMethodDescriptor(annotateVideoMethodDescriptor)
     .build();
 this.annotateVideoCallable =
   callableFactory.createUnaryCallable(
     annotateVideoTransportSettings, settings.annotateVideoSettings(), clientContext);
 this.annotateVideoOperationCallable =
   callableFactory.createOperationCallable(
     annotateVideoTransportSettings,
     settings.annotateVideoOperationSettings(),
     clientContext,
     this.operationsStub);
 backgroundResources = new BackgroundResourceAggregation(clientContext.getBackgroundResources());
}

/**
 * Constructs an instance of GrpcVideoIntelligenceServiceStub, using the given settings. This is
 * protected so that it is easy to make a subclass, but otherwise, the static factory methods
 * should be preferred.
 */
protected GrpcVideoIntelligenceServiceStub(
  VideoIntelligenceServiceStubSettings settings,
  ClientContext clientContext,
  GrpcStubCallableFactory callableFactory)
  throws IOException {
 this.callableFactory = callableFactory;
 this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);
 GrpcCallSettings<AnnotateVideoRequest, Operation> annotateVideoTransportSettings =
   GrpcCallSettings.<AnnotateVideoRequest, Operation>newBuilder()
     .setMethodDescriptor(annotateVideoMethodDescriptor)
     .build();
 this.annotateVideoCallable =
   callableFactory.createUnaryCallable(
     annotateVideoTransportSettings, settings.annotateVideoSettings(), clientContext);
 this.annotateVideoOperationCallable =
   callableFactory.createOperationCallable(
     annotateVideoTransportSettings,
     settings.annotateVideoOperationSettings(),
     clientContext,
     this.operationsStub);
 backgroundResources = new BackgroundResourceAggregation(clientContext.getBackgroundResources());
}

/**
 * Constructs an instance of GrpcVideoIntelligenceServiceStub, using the given settings. This is
 * protected so that it is easy to make a subclass, but otherwise, the static factory methods
 * should be preferred.
 */
protected GrpcVideoIntelligenceServiceStub(
  VideoIntelligenceServiceStubSettings settings,
  ClientContext clientContext,
  GrpcStubCallableFactory callableFactory)
  throws IOException {
 this.callableFactory = callableFactory;
 this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);
 GrpcCallSettings<AnnotateVideoRequest, Operation> annotateVideoTransportSettings =
   GrpcCallSettings.<AnnotateVideoRequest, Operation>newBuilder()
     .setMethodDescriptor(annotateVideoMethodDescriptor)
     .build();
 this.annotateVideoCallable =
   callableFactory.createUnaryCallable(
     annotateVideoTransportSettings, settings.annotateVideoSettings(), clientContext);
 this.annotateVideoOperationCallable =
   callableFactory.createOperationCallable(
     annotateVideoTransportSettings,
     settings.annotateVideoOperationSettings(),
     clientContext,
     this.operationsStub);
 backgroundResources = new BackgroundResourceAggregation(clientContext.getBackgroundResources());
}

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

 throws IOException {
this.callableFactory = callableFactory;
this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);