docs: private void setFittingWeekDay(Calendar date) {
  
          date.set(Calendar.DAY_OF_MONTH, 1);
          int weekDayFirst = date.get(Calendar.DAY_OF_WEEK);
          int firstFittingWeekDay = (((m_weekDay.toInt() + I_CmsSerialDateValue.NUM_OF_WEEKDAYS) - weekDayFirst)
              % I_CmsSerialDateValue.NUM_OF_WEEKDAYS) + 1;
          int fittingWeekDay = firstFittingWeekDay + (I_CmsSerialDateValue.NUM_OF_WEEKDAYS * m_weekOfMonth.ordinal());
          if (fittingWeekDay > date.getActualMaximum(Calendar.DAY_OF_MONTH)) {
              fittingWeekDay -= I_CmsSerialDateValue.NUM_OF_WEEKDAYS;
          }
          date.set(Calendar.DAY_OF_MONTH, fittingWeekDay);
      }