{description: Cross Version Extensions for using FHIR R4B in FHIR R4, package_name: rs/hl7.fhir.uv.xver, name: XVer_r4b_r4, type: null, package_version: r4b.r4-0.0.1-snapshot-1, class: unknown, kind: null, url: 'http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4', version: 0.0.1-snapshot-1}