docs: function createScheduleStatusUpdate() {
    var isChanging = false;
    var shouldUpdate = false;
  
    function update(self, fn) {
      raf(function() {
        if (self.isMounted()) fn();
        isChanging = false;
        if (shouldUpdate) update(self, fn);
        shouldUpdate = false;
      });
    }
  
    return function _scheduleStatusUpdate(fn) {
      if (isChanging) return shouldUpdate = true;
      var self = this;
      isChanging = true;
      update(self, fn || self._updateChildrenLoadingStatus);
    };
  }