docs: def iri_to_iriref(self, iri_: ShExDocParser.IriContext) -> ShExJ.IRIREF:
          """ iri: IRIREF | prefixedName 
              prefixedName: PNAME_LN | PNAME_NS 
          """
          return ShExJ.IRIREF(self.iri_to_str(iri_))