{description: Time period during which the patient was present at a location (generally used via composite location-period), package_name: hl7.fhir.r6.search, name: location-period, type: date, package_version: 6.0.0-ballot4, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Encounter-location-period', version: 6.0.0-ballot4}