docs: public long getDateTimeMillis(int year, int monthOfYear, int dayOfMonth,
                                    int hourOfDay, int minuteOfHour,
                                    int secondOfMinute, int millisOfSecond)
          throws IllegalArgumentException
      {
          long instant = year().set(0, year);
          instant = monthOfYear().set(instant, monthOfYear);
          instant = dayOfMonth().set(instant, dayOfMonth);
          instant = hourOfDay().set(instant, hourOfDay);
          instant = minuteOfHour().set(instant, minuteOfHour);
          instant = secondOfMinute().set(instant, secondOfMinute);
          return millisOfSecond().set(instant, millisOfSecond);
      }