         self.registeredEntities[name] = entities
     }
     
-    internal func cloudDidChange(_ notification: Notification) {
+    @objc internal func cloudDidChange(_ notification: Notification) {
         let token = FileManager.default.ubiquityIdentityToken
         print("change token: \(String(describing: token))")
         

        }
    }
    
    internal func didCreateRecord(_ notification: Notification) {
        guard let objectID = (notification as NSNotification).userInfo?[GROObjectIDKey] as? NSManagedObjectID else { return }
        guard let identifier = (notification as NSNotification).userInfo?[GRORecordNameKey] as? String else { return }
        

}

internal extension GROIncrementalStore {
    @objc internal func contextDidChange(_ notification: Notification) {
        guard let context = notification.object as? NSManagedObjectContext else { return }
        let contextSaveInfo = (notification as NSNotification).userInfo ?? [:]
        
