code: public ListPipelineExecutionsResult withPipelineExecutionSummaries(PipelineExecutionSummary... pipelineExecutionSummaries) {
          if (this.pipelineExecutionSummaries == null) {
              setPipelineExecutionSummaries(new java.util.ArrayList<PipelineExecutionSummary>(pipelineExecutionSummaries.length));
          }
          for (PipelineExecutionSummary ele : pipelineExecutionSummaries) {
              this.pipelineExecutionSummaries.add(ele);
          }
          return this;
      }
docs: <p>
  A list of executions in the history of a pipeline.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPipelineExecutionSummaries(java.util.Collection)} or
  {@link #withPipelineExecutionSummaries(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param pipelineExecutionSummaries
  A list of executions in the history of a pipeline.
  @return Returns a reference to this object so that method calls can be chained together.