<MyMathCalcPlugin>/src/org/myorg/mymathcalcplugin/layer.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE filesystem PUBLIC "-//NetBeans//DTD Filesystem 1.2//EN" "http://www.netbeans.org/dtds/filesystem-1_2.dtd">
<filesystem>
    <folder name="Actions">
        <folder name="Help">
            <folder name="APIExamples">
                <attr name="SystemFileSystem.localizingBundle" stringvalue="org.myorg.mymathcalcplugin.Bundle"/>

                <file name="org-myorg-mymathcalcplugin-ComputeAverageAction.instance"/>
                <file name="org-myorg-mymathcalcplugin-ComputeSumAction.instance"/>
            </folder>
        </folder>
    </folder>
    <folder name="Menu">
        <folder name="Help">
            <folder name="APIExamples">
                <attr name="SystemFileSystem.localizingBundle" stringvalue="org.myorg.mymathcalcplugin.Bundle"/>
                <attr name="position" intvalue="400"/>

                <file name="org-myorg-mymathcalcplugin-ComputeAverageAction.shadow">
                    <attr name="originalFile" stringvalue="Actions/Help/APIExamples/org-myorg-mymathcalcplugin-ComputeAverageAction.instance"/>
                    <attr name="position" intvalue="100"/>
                </file>
                <file name="org-myorg-mymathcalcplugin-ComputeSumAction.shadow">
                    <attr name="originalFile" stringvalue="Actions/Help/APIExamples/org-myorg-mymathcalcplugin-ComputeSumAction.instance"/>
                    <attr name="position" intvalue="300"/>
                </file>
            </folder>
        </folder>
    </folder>
</filesystem>