docs: public int[] getPartialValues(ReadablePartial fieldSource, Object object, Chronology chrono, DateTimeFormatter parser) {
          if (parser.getZone() != null) {
              chrono = chrono.withZone(parser.getZone());
          }
          long millis = parser.withChronology(chrono).parseMillis((String) object);
          return chrono.get(fieldSource, millis);
      }