使用HttpResponseMessage，GetAsynch存储标头键和值

Question

我有以下代码，我想在KeyValuepair类型的对象中存储标题的所有键和值（即cookie，会话ID等）。我怎么能做到这一点？

CookieContainer cookies = new CookieContainer();
        HttpClientHandler handler = new HttpClientHandler();
        handler.CookieContainer = cookies;

        HttpClient client = new HttpClient(handler);
        HttpResponseMessage response = client.GetAsync("http://google.com").Result;
        HttpHeaders headers = response.Headers;

我需要这些值，因为之后我将使用相同的cookie和sessionid发布到网站。