RootJid root = new RootJid();
root.initialize(mailbox, factory);
SetActor setMap = new SetActor(
new IntegerMapJidFactory(JidFactories.INTEGER_INTEGER_MAP_JID_TYPE, IntegerJidFactory.fac));
setMap.send(future, root);
IntegerMapJid map = (IntegerMapJid) GetActor.req.send(future, root);
MapAppender ba = new MapAppender();
ba.initialize(mailbox, factory);