code: @Override
      @Deprecated
      public RotateChannelCredentialsResult rotateChannelCredentials(RotateChannelCredentialsRequest request) {
          request = beforeClientExecution(request);
          return executeRotateChannelCredentials(request);
      }
docs: Changes the Channel's first IngestEndpoint's username and password. WARNING - This API is deprecated. Please use
  RotateIngestEndpointCredentials instead
  
  @param rotateChannelCredentialsRequest
  @return Result of the RotateChannelCredentials operation returned by the service.
  @throws UnprocessableEntityException
  The parameters sent in the request are not valid.
  @throws InternalServerErrorException
  An unexpected error occurred.
  @throws ForbiddenException
  The client is not authorized to access the requested resource.
  @throws NotFoundException
  The requested resource does not exist.
  @throws ServiceUnavailableException
  An unexpected error occurred.
  @throws TooManyRequestsException
  The client has exceeded their resource or throttling limits.
  @sample AWSMediaPackage.RotateChannelCredentials
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/mediapackage-2017-10-12/RotateChannelCredentials"
  target="_top">AWS API Documentation</a>