http://hl7.org/fhir/StructureDefinition/questionnaire-derivationType|5.2.0

Provides more precision about the type of derivation relationship that exists.

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	Coding
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	Coding