Request

<http:GetRequest rdf:ID="req0">
  <http:abs_path>/foo/bar</http:abs_path>
  <http:version>1.1</http:version>
  <http:header rdf:parseType="Collection">
    <!--// Sequence of Message Headers //-->
  </http:header>
  <http:response rdf:resource="#resp0"/>
</http:GetRequest>