code: public ListTrainingJobsForHyperParameterTuningJobResult withTrainingJobSummaries(HyperParameterTrainingJobSummary... trainingJobSummaries) {
          if (this.trainingJobSummaries == null) {
              setTrainingJobSummaries(new java.util.ArrayList<HyperParameterTrainingJobSummary>(trainingJobSummaries.length));
          }
          for (HyperParameterTrainingJobSummary ele : trainingJobSummaries) {
              this.trainingJobSummaries.add(ele);
          }
          return this;
      }
docs: <p>
  A list of <a>TrainingJobSummary</a> objects that describe the training jobs that the
  <code>ListTrainingJobsForHyperParameterTuningJob</code> request returned.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTrainingJobSummaries(java.util.Collection)} or {@link #withTrainingJobSummaries(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param trainingJobSummaries
  A list of <a>TrainingJobSummary</a> objects that describe the training jobs that the
  <code>ListTrainingJobsForHyperParameterTuningJob</code> request returned.
  @return Returns a reference to this object so that method calls can be chained together.