http://hl7.org/fhir/StructureDefinition/instant|5.0.0

{description: 'instant Type: An instant in time - known at least to the second', derivation: specialization, name: instant, type: instant, class: primitive-type, kind: primitive-type, url: 'http://hl7.org/fhir/StructureDefinition/instant', base: 'http://hl7.org/fhir/StructureDefinition/PrimitiveType', version: 5.0.0}