<attribute name="REMOTE_USER" type="conf:listOfStrings"/>\r
<attribute name="unsetHeaders" type="conf:listOfStrings"/>\r
<attribute name="metadataAttributePrefix" type="conf:string"/>\r
+ <attribute name="attributePrefix" type="conf:string"/>\r
<attribute name="localLogout" type="anyURI"/>\r
<attribute name="globalLogout" type="anyURI"/>\r
</attributeGroup>\r