code: function watchedEvents(obj) {
        var listeners = obj['__ember_meta__'].listeners, ret = [];
  
        if (listeners) {
          for(var eventName in listeners) {
            if (listeners[eventName]) { ret.push(eventName); }
          }
        }
        return ret;
      }
docs: Return a list of currently watched events
  
  @private
  @method watchedEvents
  @for Ember
  @param obj