{description: Reference to a concept (by class), package_name: hl7.fhir.r6.search, name: ingredient-code, type: token, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/MedicationKnowledge-ingredient-code', version: 6.0.0-ballot2}