{description: Activity that is intended to be part of the care plan, package_name: hl7.fhir.r6.search, name: activity-reference, type: reference, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/CarePlan-activity-reference', version: 6.0.0-ballot2}