Signal s = (Signal) createChild((String) getDefaultSignalCategory());
Signal s = (Signal) createChild(getDefaultSignalCategory());
    public void startupSystem(String sys, String c) throws Exception {        setupJavaEventHandling();        setSystem(Launcher.SYSTEM, createChild(sys/*??, c*/));        Signal s = (Signal) createChild((String) getDefaultSignalCategory());        if (s != null) {            s.setChild(Signal.PRIORITY, Signal.NORMAL_PRIORITY);            s.setChild(Signal.LANGUAGE, Signal.NEURO_LANGUAGE);            s.setChild(Signal.SUBJECT, Launcher.SYSTEM);            s.setChild(Signal.PREDICATE, Controller.SHOW_SYSTEM_USER_INTERFACE_ACTION);            s.setChild(Signal.SENDER_OBJECT, Launcher.USER);        } else {            throw new Exception("Could not startup system. The signal is null.");        }        storeSignal(s);    }