def handle_system_event(event)
      if handler = SystemEvent.handle(event.class)
        send(handler, event)
      else
        # !!! DO NOT INTRODUCE ADDITIONAL GLOBAL VARIABLES !!!
        # rubocop:disable Style/GlobalVars
        Internals::Logger.debug "Discarded message (unhandled): #{message}" if $CELLULOID_DEBUG
        # rubocop:enable Style/GlobalVars
      end
    end
def handle_system_event(event)
      if handler = SystemEvent.handle(event.class)
        send(handler, event)
      else
        # !!! DO NOT INTRODUCE ADDITIONAL GLOBAL VARIABLES !!!
        # rubocop:disable Style/GlobalVars
        Internals::Logger.debug "Discarded message (unhandled): #{message}" if $CELLULOID_DEBUG
        # rubocop:enable Style/GlobalVars
      end
    end
Handle high-priority system event messages