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

Workflow Status is used to represent details of the value set development process while in a single Activity Status.

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