File: vendor/doctrine/doctrine-cache-bundle/Tests/DependencyInjection/Fixtures/config/xml/configurable_defaults.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="configurable_memcached_provider" namespace="memcached_ns">
             <memcached />
         </provider>

         <provider name="configurable_memcache_provider">
             <memcache />
         </provider>

         <provider name="configurable_redis_provider">
             <redis />
         </provider>

         <provider name="configurable_mongodb_provider">
             <mongodb />
         </provider>

         <provider name="configurable_riak_provider">
             <riak />
         </provider>

         <provider name="configurable_filesystem_provider">
             <file-system />
         </provider>

         <provider name="configurable_phpfile_provider">
             <php-file />
         </provider>

         <provider name="configurable_couchbase_provider">
             <couchbase />
         </provider>

         <provider name="configurable_memcached_provider_type" type="memcached">
             <alias>memcached_provider_type</alias>
         </provider>
         <provider name="configurable_memcache_provider_type" type="memcache">
             <alias>memcache_provider_type</alias>
         </provider>
         <provider name="configurable_redis_provider_type" type="redis">
             <alias>redis_provider_type</alias>
         </provider>
         <provider name="configurable_mongodb_provider_type" type="mongodb">
             <alias>mongodb_provider_type</alias>
         </provider>
         <provider name="configurable_riak_provider_type" type="riak">
             <alias>memcached_provider_type</alias>
         </provider>
         <provider name="configurable_filesystem_provider_type" type="file_system">
             <alias>filesystem_provider_type</alias>
         </provider>
         <provider name="configurable_phpfile_provider_type" type="php_file">
             <alias>phpfile_provider_type</alias>
         </provider>
         <provider name="configurable_couchbase_provider_type" type="couchbase">
             <alias>couchbase_provider_type</alias>
         </provider>
    </doctrine-cache>
</srv:container>