docs: public GetMetricDataResult withMetricDataResults(MetricDataResult... metricDataResults) {
          if (this.metricDataResults == null) {
              setMetricDataResults(new com.amazonaws.internal.SdkInternalList<MetricDataResult>(metricDataResults.length));
          }
          for (MetricDataResult ele : metricDataResults) {
              this.metricDataResults.add(ele);
          }
          return this;
      }