| // TODO: implement this method to unset the contained '<%=genFeature.getFormattedName()%>' <%=genFeature.getFeatureKind()%> | |
| // -> this method is automatically invoked to keep the containment relationship in synch | |
| // -> do not modify other features | |
| // -> return msgs, after adding any generated Notification to it (if it is null, a NotificationChain object must be created first) | |
| // Ensure that you remove @generated or mark it @generated NOT | |
| throw new UnsupportedOperationException(); |