{description: 'Base StructureDefinition for instant Type: An instant in time - known at least to the second', package_name: hl7.fhir.r5.examples, derivation: specialization, name: instant, type: instant, package_version: 4.5.0, class: primitive-type, kind: primitive-type, url: 'http://hl7.org/fhir/StructureDefinition/instant', base: 'http://hl7.org/fhir/StructureDefinition/PrimitiveType', version: 4.5.0}