laravel5/vendor/phar-io/manifest/tests/_fixture/custom.xml

<?xml version="1.0" encoding="UTF-8"?>
<phar xmlns="https://phar.io/xml/manifest/1.0">
    <contains name="testvendor/testname" version="1.0.0" type="custom"/>
    <copyright>
        <license type="bsd-3" url="https://some/uri"/>
    </copyright>
    <requires>
        <php version="*"/>
    </requires>
</phar>