Set<String> s = disabledSubsystemsHolder.get( );
Set<String> s = data.get().disabledSubsystems;
    public static boolean removeAllDisabled(String...ids)    {    	Set<String> s = disabledSubsystemsHolder.get( );    	if ( s != null && ids != null )    	{    		boolean changed = false;    		for (String string : ids) {				changed |= s.remove(string);			}    	}    	return false;	    }