docs: public GetInstancePortStatesResult withPortStates(InstancePortState... portStates) {
          if (this.portStates == null) {
              setPortStates(new java.util.ArrayList<InstancePortState>(portStates.length));
          }
          for (InstancePortState ele : portStates) {
              this.portStates.add(ele);
          }
          return this;
      }