class Auth {
    public User loginUser(String username, String password);
    public User getUserLoggedIn();
    public User getUserByData(String field, String needle);
}
class User {
    public Boolean User(Int uid [, Array settings]);
    public id, fname, lname, username, email;
}
class Actions extends User {
    public Boolean createUser(User user);
    public Boolean resetPassword(User user, String password);
    public Boolean setName(User user, String name);
}