4 // An interface to ping-pong between two objects, it is used to
5 // test a very interesting use-case reported by Andreas Geisler.
7 oneway
void ping
(in PingObject
callback);
8 // The ping method, the server should respond by invoking <pong> on
9 // the <callback> object
12 // A response from the server
14 oneway
void shutdown
();