{description: Base StructureDefinition for Duration Type, package_name: hl7.fhir.r3.examples, derivation: specialization, name: Duration, type: Duration, package_version: 3.0.2, class: complex-type, kind: complex-type, url: 'http://hl7.org/fhir/StructureDefinition/Duration', base: 'http://hl7.org/fhir/StructureDefinition/Quantity', version: null}