/**
  * This handles model notifications by calling {@link #updateChildren} to update any cached
  * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
  * <!-- begin-user-doc -->
  * <!-- end-user-doc -->
  *
  * @generated
  */
 @Override
 public void notifyChanged(Notification notification) {
   updateChildren(notification);
   super.notifyChanged(notification);
 }