protected function emitterEventSortEvents($eventName)
    {
        $this->emitterEventSorted[$eventName] = [];

        if (isset($this->emitterEvents[$eventName])) {
            krsort($this->emitterEvents[$eventName]);

            $this->emitterEventSorted[$eventName] = call_user_func_array('array_merge', $this->emitterEvents[$eventName]);
        }
    }