code: public void setSmartHomeAppliances(java.util.Collection<SmartHomeAppliance> smartHomeAppliances) {
          if (smartHomeAppliances == null) {
              this.smartHomeAppliances = null;
              return;
          }
  
          this.smartHomeAppliances = new java.util.ArrayList<SmartHomeAppliance>(smartHomeAppliances);
      }
docs: <p>
  The smart home appliances.
  </p>
  
  @param smartHomeAppliances
  The smart home appliances.