question: this method unregisters all services from bonjour/mdns concode_field_sep Logger logger concode_elem_sep JmDNS jmdns concode_field_sep void registerService concode_elem_sep void unregisterService concode_elem_sep void activate concode_elem_sep void updated concode_elem_sep void deactivate
target: void function ( ) { jmdns . unregisterAllServices ( ) ; }