File: vendor/symfony/routing/Tests/Fixtures/scalar_defaults.xml

<?xml version="1.0" encoding="UTF-8" ?>
<routes xmlns="http://symfony.com/schema/routing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/routing
        https://symfony.com/schema/routing/routing-1.0.xsd">

    <route id="blog" path="/blog">
        <default key="_controller">
            <string>AcmeBlogBundle:Blog:index</string>
        </default>
        <default key="slug" xsi:nil="true" />
        <default key="published">
            <bool>true</bool>
        </default>
        <default key="page">
            <int>1</int>
        </default>
        <default key="price">
            <float>3.5</float>
        </default>
        <default key="archived">
            <bool>false</bool>
        </default>
        <default key="free">
            <bool>1</bool>
        </default>
        <default key="locked">
            <bool>0</bool>
        </default>
        <default key="foo" xsi:nil="true" />
        <default key="bar" xsi:nil="1" />
    </route>
</routes>