{description: 'High or low level categorization, e.g. polymer vs. nucleic acid or linear vs. branch chain', package_name: hl7.fhir.r6.core, name: classification, type: token, package_version: 6.0.0-ballot4, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/SubstanceDefinition-classification', version: 6.0.0-ballot4}