return 0L; }
    protected long getStartTimePref (Task task) {	synchronized (task) {	    Enumeration taskPrefs = task.getPreferences();	    while (taskPrefs.hasMoreElements()) {		Preference aPref = (Preference) taskPrefs.nextElement();		if (aPref.getAspectType() == AspectType.START_TIME) {		    ScoringFunction sf = aPref.getScoringFunction();		    return (long) sf.getBest().getValue();		}	    }	}	return 0L;    }