code: def iriref_to_shexj_iriref(self, ref: ShExDocParser.IRIREF) -> ShExJ.IRIREF:
          
          return ShExJ.IRIREF(self.iriref_to_str(ref))
docs: IRIREF: '<' (~[\u0000-\u0020=<>\"{}|^`\\] | UCHAR)* '>'
               IRI: (PN_CHARS | '!' | ''.' | ':' | '/' | '\\' | '#' | '@' | '%' | '&' | UCHAR)*