-
- SCM acknowledge_grob_function_;
- SCM stop_translation_timestep_function_;
- SCM start_translation_timestep_function_;
- SCM process_music_function_;
- SCM process_acknowledged_function_;
- SCM initialize_function_;
- SCM finalize_function_;
-
- // hashq table of interface-symbol -> scheme-function
- SCM interface_acknowledger_hash_;
- SCM interface_end_acknowledger_hash_;
-
- // Alist of listened-symbol . scheme-function
- SCM per_instance_listeners_;