@Override
    public Comparator<CommittedChangeList> getComparator() {
      return (o1, o2) -> {
        int rc = o1.getCommitterName().compareToIgnoreCase(o2.getCommitterName());
        if (rc == 0) {
          return -o1.getCommitDate().compareTo(o2.getCommitDate());
        }
        return rc;
      };
    }
@Override
    public Comparator<CommittedChangeList> getComparator()