code: function checkRawNotificationListeners() {
  
    listenersCount=noble._bindings.listeners('handleNotify').length;
   // debug('Raw notification listeners: ' + util.inspect(noble._bindings.listeners('handleNotify')));
    if (!listenersCount) {
      noble._bindings.on('handleNotify', onRawNotify);    
    }
  }
docs: Debug