{description: Time period during which the patient was present at the location, package_name: hl7.fhir.r4b.examples, name: location-period, type: date, package_version: 4.3.0-snapshot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Encounter-location-period', version: 4.3.0-snapshot1}