http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion|5.2.0

A trusted FHIR terminology server endpoint (the [base] url of the FHIR server) where an expansion of the valueset may be performed.

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