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