src/test/resources/leaked/with-document.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:template match="/">
    <xsl:copy-of select="document('referenced.xml')"/>
  </xsl:template>
</xsl:stylesheet>