code: public static CopticCalendar of(
          int cyear,
          CopticMonth cmonth,
          int cdom
      ) {
  
          return CopticCalendar.of(cyear, cmonth.getValue(), cdom);
  
      }
docs: /*[deutsch]
  <p>Erzeugt ein neues koptisches Kalenderdatum. </p>
  
  @param   cyear   Coptic year in the range 1-9999
  @param   cmonth  Coptic month
  @param   cdom    Coptic day of month in range 1-30
  @return  new instance of {@code CopticCalendar}
  @throws  IllegalArgumentException in case of any inconsistencies
  @since   3.11/4.8