description: null package_name: acme.usecase.r4 derivation: constraint name: MyUSCoreSmokingStatusProfile type: Observation elements: effective: choices: [effectivePeriod] index: 1 effectivePeriod: {type: Period, choiceOf: effective, index: 2} performer: {index: 3} package_version: 1.1.2-preview1 class: profile kind: resource url: https://fake-acme.org/fhir/StructureDefinition/MyUSCoreSmokingStatusProfile base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-smokingstatus version: null