ActorDefinition that contains a series of nested ratings to document the risk of bias assessment of an Evidence resource (id = "client")

<?xml version="1.0" encoding="UTF-8"?>

<ActorDefinition xmlns="http://hl7.org/fhir">
  <id value="client"/> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/> 
  </extension> 
  <url value="http://hl7.org/fhir/ActorDefinition/client"/> 
  <identifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.27.2"/> 
  </identifier> 
  <name value="ClientActor"/> 
  <title value="Client Actor"/> 
  <status value="active"/> 
  <date value="2021-11-02T14:31:30.239Z"/> 
  <publisher value="HL7 International / FHIR Infrastructure"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://www.hl7.org/Special/committees/fiwg"/> 
    </telecom> 
  </contact> 
  <description value="Client Actor"/> 
  <type value="system"/> 
</ActorDefinition>