code: @Override
      public DescribeImagePermissionsResult describeImagePermissions(DescribeImagePermissionsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeImagePermissions(request);
      }
docs: <p>
  Retrieves a list that describes the permissions for shared AWS account IDs on a private image that you own.
  </p>
  
  @param describeImagePermissionsRequest
  @return Result of the DescribeImagePermissions operation returned by the service.
  @throws ResourceNotFoundException
  The specified resource was not found.
  @sample AmazonAppStream.DescribeImagePermissions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/appstream-2016-12-01/DescribeImagePermissions"
  target="_top">AWS API Documentation</a>