Utils.fail("init args not found");
Utils.fail("init args not found for filter " + tar);
    public static String getInitArguments(SIRFilter tar)     {	buf = new StringBuffer();	found = false;	targetFilter = tar;	tar.getParent().getInit().accept(new InitArgument());	if (!found) {	    Utils.fail("init args not found");	}	return buf.toString();    }