docs: public long set(long instant, int month) {
          FieldUtils.verifyValueBounds(this, month, MIN, iMax);
          //
          int thisYear = iChronology.getYear(instant);
          //
          int thisDom = iChronology.getDayOfMonth(instant, thisYear);
          int maxDom = iChronology.getDaysInYearMonth(thisYear, month);
          if (thisDom > maxDom) {
              // Quietly force DOM to nearest sane value.
              thisDom = maxDom;
          }
          // Return newly calculated millis value
          return iChronology.getYearMonthDayMillis(thisYear, month, thisDom) +
              iChronology.getMillisOfDay(instant);
      }