code: public OperationStatusResponseInner getOperationStatus(String userName, String operationUrl) {
          return getOperationStatusWithServiceResponseAsync(userName, operationUrl).toBlocking().single().body();
      }
docs: Gets the status of long running operation.
  
  @param userName The name of the user.
  @param operationUrl The operation url of long running operation
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the OperationStatusResponseInner object if successful.