kotlin-fork/jps/jps-plugin/testData/modules.xml/modularJdkRoot.xml

<modules>
    <!-- Module script for production -->
    <module name="name" type="java-production" outputDir="output">
        <!-- Java source roots -->
        <!-- Classpath -->
        <modularJdkRoot path="/path/to/modular/jdk"/>
    </module>
</modules>