docs: public static long getTimeMillis(int year, int month, int dayOfMonth,
              int hour, int minute, int second, int mills, String zoneId) {
          return ZonedDateTime
                  .of(year, month, dayOfMonth, hour, minute, second,
                          new Long(TimeUnit.MILLISECONDS.toNanos(mills))
                                  .intValue(),
                          getZoneId(zoneId))
                  .toInstant().toEpochMilli();
      }