XSLT includes in MarkLogic

index.xqy

xquery version "1.0-ml";

declare namespace xsl = "http://www.w3.org/1999/XSL/Transform";
declare namespace local = "urn:local";

declare function local:prepare-stylesheet($uri, $stylesheet)
{
    let $void := xdmp:invoke-function(
        function ()
        {
            xdmp:document-insert(
                $uri,
                $stylesheet
            )
        },
        <options xmlns="xdmp:eval">
            <database>{ xdmp:database("Modules") }</database>
            <transaction-mode>update-auto-commit</transaction-mode>
        </options>
    )

    return $stylesheet
};

let $stylesheet := document {
      <xsl:stylesheet version="2.0">
        <xsl:include href="/stylesheet2.xsl"/>
      </xsl:stylesheet>
    },

    $stylesheet2 := document {
      <xsl:stylesheet version="2.0">
        <xsl:template match="/"><xsl:text>{ current-dateTime() }</xsl:text></xsl:template>
      </xsl:stylesheet>
    },

    $void := local:prepare-stylesheet("/stylesheet.xsl", $stylesheet),
    $void := local:prepare-stylesheet("/stylesheet2.xsl", $stylesheet2),


    $result := xdmp:xslt-invoke('/stylesheet.xsl', document { <test/> })

return $result