static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        string AuthToken  = "your_auth_token";
        var    twilio     = new TwilioRestClient(AccountSid, AuthToken);

        twilio.DeleteFeedbackSummary("FSa346467ca321c71dbd5e12f627deb854");
    }