docs: public DescribeScalingPlanResourcesResult withScalingPlanResources(ScalingPlanResource... scalingPlanResources) {
          if (this.scalingPlanResources == null) {
              setScalingPlanResources(new java.util.ArrayList<ScalingPlanResource>(scalingPlanResources.length));
          }
          for (ScalingPlanResource ele : scalingPlanResources) {
              this.scalingPlanResources.add(ele);
          }
          return this;
      }