<xs:element name="rightsExpressionData">
    <xs:annotation>
        <xs:documentation> Contains a rights expression as defined by a Rights Expression Language and seralized using any specific encoding except XML.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attributeGroup ref="commonPowerAttributes" />
                <xs:attribute name="langid" type="xs:anyURI" use="required">
                    <xs:annotation>
                        <xs:documentation>Identifier for the used Rights Expression Language</xs:documentation>
                    </xs:annotation>
                </xs:attribute>
                <xs:attribute name="enctype" type="xs:string" use="required">
                    <xs:annotation>
                        <xs:documentation>Identifier of the used type of encoding, prefered are IANA Media Type identifiers.</xs:documentation>
                    </xs:annotation>
                </xs:attribute>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>
</xs:element>