@Override
  protected @NotNull @Nls String getText(@NotNull VcsLogDateFilter filter) {
    Date after = filter.getAfter();
    Date before = filter.getBefore();
    if (after != null && before != null) {
      return DateFormatUtil.formatDate(after) + '-' + DateFormatUtil.formatDate(before);
    }
    else if (after != null) {
      return VcsLogBundle.message("vcs.log.date.filter.since", DateFormatUtil.formatDate(after));
    }
    else if (before != null) {
      return VcsLogBundle.message("vcs.log.date.filter.until", DateFormatUtil.formatDate(before));
    }
    else {
      return getEmptyFilterValue();
    }
  }
@Override
  protected @NotNull @Nls String getText(@NotNull VcsLogDateFilter filter)