* @param $group_forum_id
* @param $thread_id
* @param bool $old_forum_id
- * @internal param \The $string forum ID
- * @internal param \The $int thread_id of the tread to change.
- * @internal param \The $string old forum ID
*
* Note: old forum ID is useless if forum_agg_msg_count table is no longer used
*