docs: public static Period between(final Period type, YearMonth startInclusive, YearMonth endExclusive) {
          int dayOfMonth = 1;
          return Period.between(
                  DateTimeExtensions.leftShift(startInclusive, dayOfMonth),
                  DateTimeExtensions.leftShift(endExclusive, dayOfMonth))
                  .withDays(0);
      }