code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.OBJECT_AREA_SIZE__SIZE_TYPE:
  				return SIZE_TYPE_EDEFAULT == null ? sizeType != null : !SIZE_TYPE_EDEFAULT.equals(sizeType);
  			case AfplibPackage.OBJECT_AREA_SIZE__XOA_SIZE:
  				return XOA_SIZE_EDEFAULT == null ? xoaSize != null : !XOA_SIZE_EDEFAULT.equals(xoaSize);
  			case AfplibPackage.OBJECT_AREA_SIZE__YOA_SIZE:
  				return YOA_SIZE_EDEFAULT == null ? yoaSize != null : !YOA_SIZE_EDEFAULT.equals(yoaSize);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated