code: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.OBJECT_AREA_SIZE__SIZE_TYPE:
  				setSizeType(SIZE_TYPE_EDEFAULT);
  				return;
  			case AfplibPackage.OBJECT_AREA_SIZE__XOA_SIZE:
  				setXoaSize(XOA_SIZE_EDEFAULT);
  				return;
  			case AfplibPackage.OBJECT_AREA_SIZE__YOA_SIZE:
  				setYoaSize(YOA_SIZE_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated