{description: Cross Version Extensions for using FHIR R4 in FHIR R4B, package_name: hl7.fhir.uv.xver-r4.r4b, name: XVer_r4_r4b, type: null, package_version: 0.0.1-snapshot-1, class: unknown, kind: null, url: 'http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b', version: 0.0.1-snapshot-1}