code: @Override
      public DescribeScheduleResult describeSchedule(DescribeScheduleRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeSchedule(request);
      }
docs: Get a channel schedule
  
  @param describeScheduleRequest
  Placeholder documentation for DescribeScheduleRequest
  @return Result of the DescribeSchedule operation returned by the service.
  @throws BadRequestException
  This request was invalid.
  @throws InternalServerErrorException
  Unexpected internal service error.
  @throws ForbiddenException
  You do not have permission to describe the channel schedule.
  @throws BadGatewayException
  Bad Gateway Error
  @throws NotFoundException
  The channel you're requesting a schedule describe for does not exist.
  @throws GatewayTimeoutException
  Gateway Timeout Error
  @throws TooManyRequestsException
  Request limit exceeded on describe schedule calls.
  @sample AWSMediaLive.DescribeSchedule
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/medialive-2017-10-14/DescribeSchedule" target="_top">AWS API
  Documentation</a>