/** @generated */
 protected void handleNotificationEvent(Notification notification) {
   Object feature = notification.getFeature();
   if (NotationPackage.eINSTANCE.getSize_Width().equals(feature)
       || NotationPackage.eINSTANCE.getSize_Height().equals(feature)
       || NotationPackage.eINSTANCE.getLocation_X().equals(feature)
       || NotationPackage.eINSTANCE.getLocation_Y().equals(feature)) {
     refreshBounds();
   }
   super.handleNotificationEvent(notification);
 }