static async Task DestroyFriendshipAsync(TwitterContext twitterCtx)
        {
            var user = await twitterCtx.DestroyFriendshipAsync("Linq2Twitr");

            if (user != null && user.Status != null)
                Console.WriteLine(
                    "User Name: {0}, Status: {1}",
                    user.Name,
                    user.Status.Text);
        }