service.sayHello("world");
// test netty client
assertEquals("world", service.echo("world"));
assertEquals("hello world@" + RemoteServiceImpl.class.getName(), remote.sayHello("world"));
EchoService serviceEcho = (EchoService)service;
assertEquals(serviceEcho.$echo("test"), "test");
EchoService remoteEecho = (EchoService)remote;