{description: 'Base StructureDefinition for base64Binary Type: A stream of bytes', package_name: hl7.fhir.r4b.core, derivation: specialization, name: base64Binary, type: base64Binary, package_version: 4.1.0, class: primitive-type, kind: primitive-type, url: 'http://hl7.org/fhir/StructureDefinition/base64Binary', base: 'http://hl7.org/fhir/StructureDefinition/PrimitiveType', version: 4.1.0}