{description: Search Encounter by either the start or end date of Encounter.period, package_name: il.core.fhir.r4, name: ILCoreEncounterPeriodBoundary, type: date, package_version: 0.22.0, class: unknown, kind: null, url: 'http://fhir.health.gov.il/SearchParameter/il-core-encounter-period-boundary', version: 0.22.0}