static void Main (string[] args) {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        const string accountSid = "accountSid";
        const string authToken = "authToken";
        const string credentialSid = "credentialSid";

        // Retrieve a Credential
        var client = new TwilioIpMessagingClient(accountSid, authToken);
        Credential credential = client.getCredential(credentialSid);
        Console.WriteLine(credential);
    }
    static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        const string accountSid    = "accountSid";
        const string authToken     = "authToken";
        const string credentialSid = "credentialSid";

        // Retrieve a Credential
        var        client     = new TwilioIpMessagingClient(accountSid, authToken);
        Credential credential = client.getCredential(credentialSid);

        Console.WriteLine(credential);
    }