code: @Override
      public ListTrainingJobsResult listTrainingJobs(ListTrainingJobsRequest request) {
          request = beforeClientExecution(request);
          return executeListTrainingJobs(request);
      }
docs: <p>
  Lists training jobs.
  </p>
  
  @param listTrainingJobsRequest
  @return Result of the ListTrainingJobs operation returned by the service.
  @sample AmazonSageMaker.ListTrainingJobs
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/sagemaker-2017-07-24/ListTrainingJobs" target="_top">AWS API
  Documentation</a>