interface test
{
  void method ();
  // A twoway operation.

  oneway void oneway_method ();
  // A oneway operation.

  void timed_method (in unsigned long timeout);
  // A timed twoway operation.

  oneway void timed_oneway_method (in unsigned long timeout);
  // A timed oneway operation.

  void shutdown ();
  // Shutdown the server.
};
