{description: Base StructureDefinition for xhtml Type, package_name: hl7.fhir.r4b.examples, derivation: specialization, name: xhtml, type: xhtml, package_version: 4.3.0, class: primitive-type, kind: primitive-type, url: 'http://hl7.org/fhir/StructureDefinition/xhtml', base: 'http://hl7.org/fhir/StructureDefinition/Element', version: 4.3.0}