File: vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services20.xml

<?xml version="1.0" encoding="utf-8"?>
<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="request" class="Request" synthetic="true" synchronized="true"/>
    <service id="depends_on_request" class="stdClass">
      <call method="setRequest">
        <argument type="service" id="request" on-invalid="null" strict="false"/>
      </call>
    </service>
  </services>
</container>