{description: The actual start date of the Encounter (Backport from R5). The parameter cannot repeat or have multiple values., package_name: de.gematik.isik, name: date-start, type: date, package_version: basismodul-3.0.3, class: unknown, kind: null, url: 'https://gematik.de/fhir/isik/v3/Basismodul/SearchParameter/Encounter-date-start', version: 3.0.3}