public function getShopsSummary($regionId, $params = array())
    {
        $resource = 'regions/' . $regionId . '/shops/summary.json';
        $resource .= '?' . $this->buildQueryString($params);
        $response = $this->getServiceResponse($resource);

        $regionShopsSummary = new Models\ResponseGeoRegionShopsSummaryGet($response);

        return $regionShopsSummary;
    }