File: vendor/doctrine/doctrine-cache-bundle/Tests/DependencyInjection/Fixtures/config/xml/basic.xml

<?xml version="1.0" ?>
<srv:container xmlns="http://doctrine-project.org/schemas/symfony-dic/cache"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:srv="http://symfony.com/schema/dic/services"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
                        http://doctrine-project.org/schemas/symfony-dic/cache http://doctrine-project.org/schemas/symfony-dic/cache/doctrine_cache-1.0.xsd">

     <doctrine-cache>
        <provider name="basic_apc_provider"         type="apc"/>
        <provider name="basic_array_provider"       type="array"/>
        <provider name="basic_void_provider"        type="void"/>
        <provider name="basic_xcache_provider"      type="xcache"/>
        <provider name="basic_wincache_provider"    type="wincache"/>
        <provider name="basic_zenddata_provider"    type="zenddata"/>
        <provider name="basic_ns_zenddata_provider" type="zenddata" namespace="zenddata_ns"/>

        <provider name="basic_apc_provider2">
            <apc/>
        </provider>
        <provider name="basic_array_provider2">
            <array/>
        </provider>
        <provider name="basic_void_provider2">
            <void/>
        </provider>
        <provider name="basic_xcache_provider2">
            <xcache/>
        </provider>
        <provider name="basic_wincache_provider2">
            <wincache/>
        </provider>
        <provider name="basic_zenddata_provider2">
            <zenddata/>
        </provider>

    </doctrine-cache>
</srv:container>