class DaysAdjustment implements Resolvable<DateAdjuster>, ImmutableBean, Serializable {

  public static DaysAdjustment ofCalendarDays(int numberOfDays) {
    return new DaysAdjustment(numberOfDays, HolidayCalendarIds.NO_HOLIDAYS, BusinessDayAdjustment.NONE);
  }

  private  DaysAdjustment(
      int days,
      HolidayCalendarId calendar,
      BusinessDayAdjustment adjustment);

}