<xs:attributeGroup name="targetResourceAttributes">
    <xs:annotation>
        <xs:documentation>A group of attributes pertaining to any kind of link</xs:documentation>
    </xs:annotation>
    <xs:attribute name="href" type="IRIType" use="optional">
        <xs:annotation>
            <xs:documentation>The locator of the target resource.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="residref" type="xs:string" use="optional">
        <xs:annotation>
            <xs:documentation>The  provider’s identifier of the target resource.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="version" type="xs:positiveInteger" use="optional">
        <xs:annotation>
            <xs:documentation>The version of the target resource. By default, the latest revision is retrieved when the link is activated.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="persistidref" type="xs:string" use="optional">
        <xs:annotation>
            <xs:documentation>Points to an element inside the target resource which must be identified by an ID attribute having a value which is persistent for all versions of the target resource, i.e. for its entire lifecycle. (added NAR 1.8)</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="contenttype" type="xs:string" use="optional">
        <xs:annotation>
            <xs:documentation>The IANA (Internet Assigned Numbers Authority) MIME type of the target resource.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="contenttypevariant" type="xs:string" use="optional">
        <xs:annotation>
            <xs:documentation>A refinement of a generic content type (i.e. IANA MIME type) by a literal string value.
</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="format" type="QCodeType" use="optional">
        <xs:annotation>
            <xs:documentation>A refinement of a generic content type (i.e. IANA MIME type) by a value from a controlled vocabulary - expressed by a QCode
</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="formaturi" type="IRIType" use="optional">
        <xs:annotation>
            <xs:documentation>A refinement of a generic content type (i.e. IANA MIME type) by a value from a controlled vocabulary - expressed by a URI
</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="size" type="xs:nonNegativeInteger" use="optional">
        <xs:annotation>
            <xs:documentation>The size in bytes of the target resource.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="title" type="xs:string" use="optional">
        <xs:annotation>
            <xs:documentation>A short natural language name for the target resource.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
</xs:attributeGroup>