public static void RemoveCookie(this HttpClient client, string name)
        {
            var cookies = client.DefaultRequestHeaders.Where(x => x.Key == "Cookie").ToArray();

            client.DefaultRequestHeaders.Remove("Cookie");

            var cookieValues = cookies.SelectMany(x => x.Value).Where(x => !x.StartsWith(name + "="));

            client.AddCookies(cookieValues);
        }