private void logProperties(Map<String, String> mm) {
List<String> ll = new ArrayList<>();
for (Object o : mm.keySet())
ll.add((String) o);
Collections.sort(ll);
private void logProperties(Map<String, String> mm) {
List<String> ll = new ArrayList<>();
for (Object o : mm.keySet())
ll.add((String) o);
Collections.sort(ll);