Lookup for FHIR R5 PrimitiveType for use in FHIR R4B

Source ElementUsageTarget
PrimitiveTypeUseExtensionhttp://hl7.org/fhir/5.0/StructureDefinition/extension-PrimitiveType
PrimitiveType.idUseExtensionFromAncestor-
PrimitiveType.extensionUseExtensionFromAncestor-