<xs:complexType name="IIType">
        <xs:sequence>
            <xs:element name="root" type="xs:string"/>
            <xs:element name="extension" type="xs:string" minOccurs="0"/>
            <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>