{description: '[StructureDefinition](structuredefinition.html): External identifier for the structure definition\r\n', package_name: hl7.fhir.r6.search, name: identifier, type: token, package_version: 6.0.0-ballot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/CanonicalResource-identifier', version: 6.0.0-ballot1}