{
            ENotificationImpl notification =
              new ENotificationImpl
                (owner, Notification.REMOVE, EcorePackage.ECLASS__ESUPER_TYPES, unwrap(eGenericType), null, indexOf(eGenericType), false);
            if (notifications == null)
            {
              notifications = notification;
            }
            else
            {
              notifications.add(notification);
            }
            return notifications;
          }