code: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.IMAGE_SIZE__UNITBASE:
  				setUNITBASE(UNITBASE_EDEFAULT);
  				return;
  			case AfplibPackage.IMAGE_SIZE__HRESOL:
  				setHRESOL(HRESOL_EDEFAULT);
  				return;
  			case AfplibPackage.IMAGE_SIZE__VRESOL:
  				setVRESOL(VRESOL_EDEFAULT);
  				return;
  			case AfplibPackage.IMAGE_SIZE__HSIZE:
  				setHSIZE(HSIZE_EDEFAULT);
  				return;
  			case AfplibPackage.IMAGE_SIZE__VSIZE:
  				setVSIZE(VSIZE_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated