{description: The request associated with an imaging selection, package_name: hl7.fhir.r6.search, name: based-on, type: reference, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/ImagingSelection-based-on', version: 6.0.0-ballot2}