public function getSafeList($count = null, $maxId = null, $sinceId = null)
    {
        $parameters = array(
          'count' => $count,
          'max_id' => $maxId,
          'since_id' => $sinceId,
        );

        $parameters = array_filter($parameters, function($val) {return !is_null($val);});

        return $this->online->call('/storage/c14/safe', 'GET', $parameters);
    }