docs: public ListSmartHomeAppliancesResult withSmartHomeAppliances(SmartHomeAppliance... smartHomeAppliances) {
          if (this.smartHomeAppliances == null) {
              setSmartHomeAppliances(new java.util.ArrayList<SmartHomeAppliance>(smartHomeAppliances.length));
          }
          for (SmartHomeAppliance ele : smartHomeAppliances) {
              this.smartHomeAppliances.add(ele);
          }
          return this;
      }