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