code: public static AnnualDate of(
          int month,
          int dayOfMonth
      ) {
  
          check(month, dayOfMonth);
          return new AnnualDate(month, dayOfMonth);
  
      }
docs: /*[deutsch]
  <p>Erzeugt einen neuen Jahrestag. </p>
  
  @param   month       gregorian month in range 1-12
  @param   dayOfMonth  the day of month in range 1-29/30/31
  @return  new annual date