code: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.OBJECT_ORIGIN_IDENTIFIER__SYSTEM:
  				setSystem(SYSTEM_EDEFAULT);
  				return;
  			case AfplibPackage.OBJECT_ORIGIN_IDENTIFIER__SYS_ID:
  				setSysID(SYS_ID_EDEFAULT);
  				return;
  			case AfplibPackage.OBJECT_ORIGIN_IDENTIFIER__MED_ID:
  				setMedID(MED_ID_EDEFAULT);
  				return;
  			case AfplibPackage.OBJECT_ORIGIN_IDENTIFIER__DSID:
  				setDSID(DSID_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated