abstract class Users { const Users._(); static const alice = User('alice', 'AliceInWonderland'); static const bob = User('bob', 'JoWirSchaffenDas'); static const trudy = User('trudy', 'HaveIBeenPwned'); } class User { final String name; final String password; const User(this.name, this.password); } // https://stackoverflow.com/a/33088657 const homeserver = 'http://10.0.2.2:8008';