docs: public DescribeTargetGroupsRequest withTargetGroupArns(String... targetGroupArns) {
          if (this.targetGroupArns == null) {
              setTargetGroupArns(new java.util.ArrayList<String>(targetGroupArns.length));
          }
          for (String ele : targetGroupArns) {
              this.targetGroupArns.add(ele);
          }
          return this;
      }