<?xml version="1.0" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
<services>
<service id="foo" class="FooClass" />
</services>
<interfaces>
<interface class="FooClass">
<call method="setBar">
<argument>correct</argument>
</call>
</interface>
</interfaces>
</container>