<?xml version="1.0" encoding="UTF-8"?>
  <xs:schema targetNamespace="urn:ietf:params:xml:ns:gruuinfo"
    elementFormDefault="qualified"
    attributeFormDefault="unqualified"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:tns="urn:ietf:params:xml:ns:gruuinfo">
    <xs:complexType name="pubGruu">
      <xs:attribute name="uri" type="xs:anyURI"
                    use="required"/>
    </xs:complexType>
    <xs:complexType name="tempGruu">
      <xs:complexContent>
        <xs:extension base="tns:pubGruu">
          <xs:attribute name="first-cseq"
                        type="xs:unsignedLong"
                        use="required"/>
        </xs:extension>
      </xs:complexContent>
    </xs:complexType>
    <xs:element name="pub-gruu" type="tns:pubGruu"/>
    <xs:element name="temp-gruu" type="tns:tempGruu"/>
</xs:schema>