{description: 'A simple value set containing the values Yes (or true), No (or false), and Unknown', package_name: hl7.fhir.us.breastcancer, name: YesNoUnknownCS, type: null, package_version: 0.1.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/breastcancer/CodeSystem/shr-core-YesNoUnknownCS', version: 0.1.0}