factory.registerActorFactory(new UsersFactory("users"));
JidFactories factories = new JidFactories();
factories.initialize(mailbox, factory);
RootJid root = new RootJid();
root.initialize(mailbox, factory);
(new SetActor("users")).send(future, root);
Users users = (Users) (new ResolvePathname("0")).send(future, root);
new KMake<String, User>("John").send(future, users);
StringJid jEmail = (StringJid) new KGet<String, User>("John").send(future, users);
jEmail.setValue("john123@gmail.com");