public void Notify_ConfigChanged(List<ObjectRef> changedObjects) {
     if (changedObjects == null || changedObjects.Count == 0) return;
     connector.SendEvent(ID_Event_ConfigChanged, s => StdJson.ObjectToStream(changedObjects, s));
 }
 private void SerializeObject<T>(T obj, Stream output) where T: notnull {
     StdJson.ObjectToStream(obj, output);
 }