code: @Override
      public DescribeBrokerResult describeBroker(DescribeBrokerRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeBroker(request);
      }
docs: Returns information about the specified broker.
  
  @param describeBrokerRequest
  @return Result of the DescribeBroker operation returned by the service.
  @throws NotFoundException
  HTTP Status Code 404: Resource not found due to incorrect input. Correct your request and then retry it.
  @throws BadRequestException
  HTTP Status Code 400: Bad request due to incorrect input. Correct your request and then retry it.
  @throws InternalServerErrorException
  HTTP Status Code 500: Unexpected internal server error. Retrying your request might resolve the issue.
  @throws ForbiddenException
  HTTP Status Code 403: Access forbidden. Correct your credentials and then retry your request.
  @sample AmazonMQ.DescribeBroker
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/mq-2017-11-27/DescribeBroker" target="_top">AWS API
  Documentation</a>