{description: A CodeSystem to identify the type of Address Key recorded., package_name: fhir.r4.ukcore.stu1, name: UKCoreAddressKeyType, type: null, package_version: 1.0.4, class: unknown, kind: null, url: 'https://fhir.hl7.org.uk/CodeSystem/UKCore-AddressKeyType', version: 2.1.0}