docs: public DateTime toDateTime(TimeOfDay time, DateTimeZone zone) {
          Chronology chrono = getChronology().withZone(zone);
          long instant = DateTimeUtils.currentTimeMillis();
          instant = chrono.set(this, instant);
          if (time != null) {
              instant = chrono.set(time, instant);
          }
          return new DateTime(instant, chrono);
      }