module Test
{
  /**
   * Callback interface.
   */
  interface Callback
  {
    /// Receive the first callback
    oneway void test_oneway ();
  };

  /**
   * Clients connect to this interface passing in a Callback
   * object.
   * The service will then invoke all the methods on the
   * Callback.
   *
   */
  interface Service
  {
    /// Invoke the callback object from the server
    oneway void run_test (in Callback the_callback);

    void shutdown ();
  };

};