code: public static FrenchRepublicanCalendar of(
          int year,
          FrenchRepublicanMonth month,
          int dayOfMonth
      ) {
  
          return FrenchRepublicanCalendar.of(year, month.getValue(), dayOfMonth);
  
      }
docs: /*[deutsch]
  <p>Erzeugt ein neues franz&ouml;sisches Republikdatum. </p>
  
  @param   year        republican year in range 1-1202
  @param   month       republican month as enum
  @param   dayOfMonth  day of month in range 1-30
  @return  new instance of {@code FrenchRepublicanCalendar}
  @throws  IllegalArgumentException in case of any inconsistencies