private function getBasicCurlOptions() {
        $curlOptions = $this->getOption(self::CURL_OPTIONS_KEY, array());
        $curlOptions[CURLOPT_HEADER] = true;
        $curlOptions[CURLOPT_RETURNTRANSFER] = true;
        $curlOptions[CURLOPT_USERAGENT] = $this->getOption(self::USER_AGENT_KEY);
        $curlOptions[CURLOPT_URL] = $this->getOption(self::BASE_URL_KEY);
        return $curlOptions;
    }