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

        }
    }
    
    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 }
        

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