code: @Override
      public DescribeTaskExecutionResult describeTaskExecution(DescribeTaskExecutionRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeTaskExecution(request);
      }
docs: <p>
  Returns detailed metadata about a task that is being executed.
  </p>
  
  @param describeTaskExecutionRequest
  DescribeTaskExecutionRequest
  @return Result of the DescribeTaskExecution operation returned by the service.
  @throws InvalidRequestException
  This exception is thrown when the client submits a malformed request.
  @sample AWSDataSync.DescribeTaskExecution
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/datasync-2018-11-09/DescribeTaskExecution" target="_top">AWS
  API Documentation</a>