<status value="active" /> <description value="Includes the security methods of ER Device." /> <compose> <include> <system value="http://hl7.org/fhir/restful-security-service" /> <concept> <code value="OAuth" /> </concept> </include> <include> <system value="http://terminology.hl7.org/CodeSystem/data-absent-reason" /> <concept> <code value="not-applicable" /> </concept> </include> </compose> </ValueSet>