static L<Map> sortedByMapElementIC(Collection<Map> c, final S key) {
  L<Map> l = new ArrayList(c);
  sort(l, new Comparator<Map>() {
    public int compare(Map a, Map b) {
      ret cmpIC(getString(a, key), getString(b, key));
    }
  });
  ret l;
}

static L<Map> sortedByMapElementIC(S key, Collection<Map> c) {
  ret sortedByMapElementIC(c, key);
}