def prefixedname_to_iriref(self, prefix: ShExDocParser.PrefixedNameContext) -> ShExJ.IRIREF:
        """ prefixedName: PNAME_LN | PNAME_NS
            PNAME_NS: PN_PREFIX? ':' ;
            PNAME_LN: PNAME_NS PN_LOCAL ;
        """
        return ShExJ.IRIREF(self.prefixedname_to_str(prefix))