code: @Override
      public DescribeClassicLinkInstancesResult describeClassicLinkInstances(DescribeClassicLinkInstancesRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeClassicLinkInstances(request);
      }
docs: <p>
  Describes one or more of your linked EC2-Classic instances. This request only returns information about
  EC2-Classic instances linked to a VPC through ClassicLink. You cannot use this request to return information
  about other instances.
  </p>
  
  @param describeClassicLinkInstancesRequest
  @return Result of the DescribeClassicLinkInstances operation returned by the service.
  @sample AmazonEC2.DescribeClassicLinkInstances
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeClassicLinkInstances"
  target="_top">AWS API Documentation</a>