{description: If the substance applies to only human or veterinary use, package_name: hl7.fhir.r6.search, name: domain, type: token, package_version: 6.0.0-ballot3, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/SubstanceDefinition-domain', version: 6.0.0-ballot3}