{description: The period during which the practitioner is authorized to perform in these role(s), package_name: hl7.fhir.r6.core, name: date, type: date, package_version: 6.0.0-ballot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/PractitionerRole-date', version: 6.0.0-ballot1}