code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.DEVICE_APPEARANCE__DEV_APP:
  				return DEV_APP_EDEFAULT == null ? devApp != null : !DEV_APP_EDEFAULT.equals(devApp);
  			case AfplibPackage.DEVICE_APPEARANCE__RESERVED:
  				return RESERVED_EDEFAULT == null ? reserved != null : !RESERVED_EDEFAULT.equals(reserved);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated