// dispatch function for handling filtered message response callbacks
        private bool dispatchResponse(string eventLabel, params object[] arguments)
        {
            var data = arguments;

            if (this.listeners.ContainsKey(eventLabel))
            {
                List <object> listenersForEvent = listeners[eventLabel];
                foreach (object listenerForEvent in listenersForEvent)
                {
                    if (listenerForEvent.GetType() == typeof(JObjectWithActions))
                    {
                        JObjectWithActions listenerObj = (JObjectWithActions)listenerForEvent;
                        if (listenerObj["filters"] != null)
                        {
                            {
                                JObject filtersObj = (JObject)listenerObj["filters"];
                                JObject dataObj    = (JObject)data[0];
                                if (Symple.match(filtersObj, dataObj))
                                {
                                    Action <object> fn = listenerObj.actions["fn"];
                                    fn(data);
                                    if (listenerObj["after"] != null)
                                    {
                                        Action <object> after = listenerObj.actions["after"];
                                        after(data);
                                    }
                                    return(true);
                                }
                            }
                        }
                    }
                }
            }
            return(false);
        }
        private void onResponse(string eventLabel, JObject filters, Action <object> fn, Action <object> after)
        {
            if (!this.listeners.ContainsKey(eventLabel))
            {
                this.listeners[eventLabel] = new List <object>();
            }

            if (fn != null)
            {
                JObjectWithActions listener = new JObjectWithActions();
                listener.actions["fn"]    = fn;
                listener.actions["after"] = after;
                listener["filters"]       = filters;

                this.listeners[eventLabel].Add(listener);
            }
        }