code: @Override
      public DeleteReservationResult deleteReservation(DeleteReservationRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteReservation(request);
      }
docs: Delete an expired reservation.
  
  @param deleteReservationRequest
  Placeholder documentation for DeleteReservationRequest
  @return Result of the DeleteReservation operation returned by the service.
  @throws BadRequestException
  This request was invalid
  @throws InternalServerErrorException
  Internal service error
  @throws ForbiddenException
  You do not have permission to delete reservation
  @throws BadGatewayException
  Bad gateway error
  @throws NotFoundException
  Reservation you're attempting to delete does not exist
  @throws GatewayTimeoutException
  Gateway timeout error
  @throws TooManyRequestsException
  Request limit exceeded on delete reservation request
  @throws ConflictException
  The reservation could not be deleted because it is currently active.
  @sample AWSMediaLive.DeleteReservation
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/medialive-2017-10-14/DeleteReservation" target="_top">AWS
  API Documentation</a>