code: public ListJobExecutionsForThingResult withExecutionSummaries(JobExecutionSummaryForThing... executionSummaries) {
          if (this.executionSummaries == null) {
              setExecutionSummaries(new java.util.ArrayList<JobExecutionSummaryForThing>(executionSummaries.length));
          }
          for (JobExecutionSummaryForThing ele : executionSummaries) {
              this.executionSummaries.add(ele);
          }
          return this;
      }
docs: <p>
  A list of job execution summaries.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setExecutionSummaries(java.util.Collection)} or {@link #withExecutionSummaries(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param executionSummaries
  A list of job execution summaries.
  @return Returns a reference to this object so that method calls can be chained together.