{description: 'Base StructureDefinition for Base Type: Base definition for all types defined in FHIR type system.', package_name: hl7.fhir.r5.core, name: Base, abstract: true, type: Base, package_version: 4.5.0, class: complex-type, kind: complex-type, url: 'http://hl7.org/fhir/StructureDefinition/Base', version: 4.5.0}