docs: public ListSizeConstraintSetsResult withSizeConstraintSets(SizeConstraintSetSummary... sizeConstraintSets) {
          if (this.sizeConstraintSets == null) {
              setSizeConstraintSets(new java.util.ArrayList<SizeConstraintSetSummary>(sizeConstraintSets.length));
          }
          for (SizeConstraintSetSummary ele : sizeConstraintSets) {
              this.sizeConstraintSets.add(ele);
          }
          return this;
      }