{description: Profile canonical content rules for the document, package_name: hl7.fhir.r5.search, name: format-canonical, type: reference, package_version: 5.0.0-draft-final, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/DocumentReference-format-canonical', version: 5.0.0-draft-final}