code: @Override
      public DescribeObjectsResult describeObjects(DescribeObjectsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeObjects(request);
      }
docs: <p>
  Gets the object definitions for a set of objects associated with the pipeline. Object definitions are composed of
  a set of fields that define the properties of the object.
  </p>
  
  @param describeObjectsRequest
  Contains the parameters for DescribeObjects.
  @return Result of the DescribeObjects operation returned by the service.
  @throws InternalServiceErrorException
  An internal service error occurred.
  @throws InvalidRequestException
  The request was not valid. Verify that your request was properly formatted, that the signature was
  generated with the correct credentials, and that you haven't exceeded any of the service limits for your
  account.
  @throws PipelineNotFoundException
  The specified pipeline was not found. Verify that you used the correct user and account identifiers.
  @throws PipelineDeletedException
  The specified pipeline has been deleted.
  @sample DataPipeline.DescribeObjects
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/datapipeline-2012-10-29/DescribeObjects" target="_top">AWS
  API Documentation</a>