public static function can_create_data_deletion_request_for_children(int $userid, int $requesterid = null): bool {
        global $USER;
        $requesterid = $requesterid ?: $USER->id;
        return has_capability('tool/dataprivacy:makedatadeletionrequestsforchildren', \context_user::instance($userid),
            $requesterid);
    }