{description: A code that indicates whether an application accepts unknown elements or extensions when reading resources., package_name: hl7.fhir.r5.core, name: UnknownContentCode, type: null, package_version: 4.4.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/unknown-content-code', version: 4.4.0}