public Instance(SimpleAuth auth)
        {
            Domain = auth.Domain;

            Console.WriteLine("Connecting to Google...");
            Console.WriteLine("Getting Authorization...");

            if (auth.RefreshToken.IsNullOrEmpty())
            {
                SimpleInstance(auth.ClientId, auth.ClientSecret);
            }
            else
            {
                SimpleInstance(auth.ClientId, auth.ClientSecret, auth.RefreshToken);
            }
        }
 public static Instance SimpleAccount(SimpleAuth auth)
 {
     return new Instance(auth);
 }