docs: public GetSlotTypeVersionsResult withSlotTypes(SlotTypeMetadata... slotTypes) {
          if (this.slotTypes == null) {
              setSlotTypes(new java.util.ArrayList<SlotTypeMetadata>(slotTypes.length));
          }
          for (SlotTypeMetadata ele : slotTypes) {
              this.slotTypes.add(ele);
          }
          return this;
      }