code: @Override
      public DescribeLocationEfsResult describeLocationEfs(DescribeLocationEfsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeLocationEfs(request);
      }
docs: <p>
  Returns metadata, such as the path information about an Amazon EFS location.
  </p>
  
  @param describeLocationEfsRequest
  DescribeLocationEfsRequest
  @return Result of the DescribeLocationEfs operation returned by the service.
  @throws InvalidRequestException
  This exception is thrown when the client submits a malformed request.
  @sample AWSDataSync.DescribeLocationEfs
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/datasync-2018-11-09/DescribeLocationEfs" target="_top">AWS
  API Documentation</a>