private void parseIntList(String str, List<Integer> list, int min, int max) {
private void parseIntList(String str, List<Integer> list, int min, int max, boolean signed) {
    private void parseIntList(String str, List<Integer> list, int min, int max) {        for (String s : str.split(","))            try {                int readInt = Integer.parseInt(s);                if (readInt >= min && readInt <= max) {                    list.add(readInt);                }            } catch (Exception e) {                ZimbraLog.calendar.debug(new Formatter().format("Skipping unparsable Recur int list entry: \"%s\" in parameter list: \"%s\"", s, str));            }                Collections.sort(list);    }