code: @Override
      public DescribeAcceleratorResult describeAccelerator(DescribeAcceleratorRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeAccelerator(request);
      }
docs: <p>
  Describe an accelerator. To see an AWS CLI example of describing an accelerator, scroll down to <b>Example</b>.
  </p>
  
  @param describeAcceleratorRequest
  @return Result of the DescribeAccelerator operation returned by the service.
  @throws AcceleratorNotFoundException
  The accelerator that you specified doesn't exist.
  @throws InternalServiceErrorException
  There was an internal error for AWS Global Accelerator.
  @throws InvalidArgumentException
  An argument that you specified is invalid.
  @sample AWSGlobalAccelerator.DescribeAccelerator
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/globalaccelerator-2018-08-08/DescribeAccelerator"
  target="_top">AWS API Documentation</a>