         <xforms:instance xxforms:exclude-result-prefixes="#all" id="fr-service-request-instance">
                <request></request>
            </xforms:instance>
            <xforms:instance xxforms:exclude-result-prefixes="#all" id="fr-service-response-instance">
                <response></response>
            </xforms:instance>
        </xforms:model>
        <xbl:xbl xmlns:xbl="http://www.w3.org/ns/xbl" xmlns:fb="http://orbeon.org/oxf/xml/form-builder" xmlns:pipeline="java:org.orbeon.oxf.processor.