protected function aliasUserRoles($args)
    {
        if (in_array('all', $args)) {
            $args = $this->getUserRoles();
        }
        if (in_array('all-not-admin', $args)) {
            $args = $this->getUserRoles(false);
        }
        $args = preg_replace('/\badmin\b/', 'administrator', $args);
        return $args;
    }