void processor_active_changed ();
void processor_property_changed (const PBD::PropertyChange&);
void processor_configuration_changed (const ARDOUR::ChanCount in, const ARDOUR::ChanCount out);
void processor_active_changed ();
void processor_property_changed (const PBD::PropertyChange&);
void processor_configuration_changed (const ARDOUR::ChanCount in, const ARDOUR::ChanCount out);