<xs:schema 
  targetNamespace='http://www.w3.org/2011/03/ws-fra'
  xmlns:tns='http://www.w3.org/2011/03/ws-fra'
  xmlns:xs='http://www.w3.org/2001/XMLSchema'
  elementFormDefault='qualified'
  blockDefault='#all' >
 
  <xs:complexType name='ExpressionType'>
    <xs:sequence>
      <xs:any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
    </xs:sequence>
    <xs:attribute name='Language' type='xs:anyURI' use='optional'/>
    <xs:anyAttribute namespace='##other' processContents='lax'/>
  </xs:complexType>
  <xs:element name='Expression' type='tns:ExpressionType'/>

  <xs:complexType name='ValueType'>
    <xs:sequence>
      <xs:any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
    </xs:sequence>
    <xs:anyAttribute namespace='##other' processContents='lax'/>
  </xs:complexType>
  <xs:element name='Value' type='tns:ValueType'/>
  
  <xs:element name='Fragment'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='Expression' type='tns:ExpressionType'/>
        <xs:element name='Value' type='tns:ValueType' minOccurs='0'/>
        <xs:any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:anyAttribute namespace='##other' processContents='lax'/>
    </xs:complexType>
  </xs:element>

  <!-- Policy -->
  <xs:complexType name='URI'>
    <xs:simpleContent>
      <xs:extension base='xs:anyURI'>
        <xs:anyAttribute namespace='##other' processContents='lax'/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:element name='FragmentAssertion'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='Language' minOccurs='0' maxOccurs='unbounded'>
          <xs:complexType>
            <xs:sequence>
              <xs:any namespace='##other' processContents='lax' minOccurs='0'
                                          maxOccurs='0'/>
            </xs:sequence>
            <xs:attribute name='URI' type='xs:anyURI' use='required' />
            <xs:anyAttribute namespace="##other" processContents='lax'/>
          </xs:complexType>
        </xs:element>
        <xs:any namespace='##other' processContents='lax' minOccurs='0'
                                    maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:anyAttribute namespace='##other' processContents='lax' />
    </xs:complexType>
  </xs:element>

</xs:schema>