code: @Override
      public ListModelPackagesResult listModelPackages(ListModelPackagesRequest request) {
          request = beforeClientExecution(request);
          return executeListModelPackages(request);
      }
docs: <p>
  Lists the model packages that have been created.
  </p>
  
  @param listModelPackagesRequest
  @return Result of the ListModelPackages operation returned by the service.
  @sample AmazonSageMaker.ListModelPackages
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/sagemaker-2017-07-24/ListModelPackages" target="_top">AWS
  API Documentation</a>