@Override
  public <RequestT, ResponseT> UnaryCallable<RequestT, ResponseT> createUnaryCallable(
      HttpJsonCallSettings<RequestT, ResponseT> httpJsonCallSettings,
      UnaryCallSettings<RequestT, ResponseT> callSettings,
      ClientContext clientContext) {
    return HttpJsonCallableFactory.createUnaryCallable(
        httpJsonCallSettings, callSettings, clientContext);
  }
REST callable factory implementation for the Workstations service API.

<p>This class is for advanced usage.
java-workstations/google-cloud-workstations/src/main/java/com/google/cloud/workstations/v1beta/stub/HttpJsonWorkstationsCallableFactory.java