http://hl7.org/fhir/StructureDefinition/structuredefinition-ancestor|5.2.0

A canonical reference to a StructureDefinition that this is derived from. This is a de-normalization of a chain of StructureDefinition.baseDefinition.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/uri