docs: public static GJChronology getInstance(
              DateTimeZone zone,
              long gregorianCutover,
              int minDaysInFirstWeek) {
          
          Instant cutoverInstant;
          if (gregorianCutover == DEFAULT_CUTOVER.getMillis()) {
              cutoverInstant = null;
          } else {
              cutoverInstant = new Instant(gregorianCutover);
          }
          return getInstance(zone, cutoverInstant, minDaysInFirstWeek);
      }