{description: FMLConversionforDocumentReferenceR5toR4B, package_name: hl7.fhir.uv.extensions, name: DocumentReference5to4B, type: null, package_version: 5.1.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/StructureMap/DocumentReference5to4B', version: 5.1.0}