{description: How a type relates to its baseDefinition., package_name: hl7.fhir.r5.expansions, name: TypeDerivationRule, type: null, package_version: 5.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/type-derivation-rule', version: 5.0.0-ballot}