code: public ListRunsResult withRuns(Run... runs) {
          if (this.runs == null) {
              setRuns(new java.util.ArrayList<Run>(runs.length));
          }
          for (Run ele : runs) {
              this.runs.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the runs.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRuns(java.util.Collection)} or {@link #withRuns(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param runs
  Information about the runs.
  @return Returns a reference to this object so that method calls can be chained together.