public function getFeedUrl()
    {
        if ($this->_feedUrl === null) {
            $httpPath = $this->_backendConfig->isSetFlag(self::XML_USE_HTTPS_PATH) ? 'https://' : 'http://';
            $this->_feedUrl = $httpPath . self::ELASTICSUITE_FEED_URL;
        }

        return $this->_feedUrl;
    }