code: public final Operation getOperation(String name) {
  
      GetOperationRequest request = GetOperationRequest.newBuilder().setName(name).build();
      return getOperation(request);
    }
docs: Gets the latest state of a long-running operation. Clients can use this method to poll the
  operation result at intervals as recommended by the API service.
  
  <p>Sample code:
  
  <pre><code>
  try (OperationsClient operationsClient = OperationsClient.create()) {
  String name = "";
  Operation response = operationsClient.getOperation(name);
  }
  </code></pre>
  
  @param name The name of the operation resource.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails