File: vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Resources/config/collectors.xml

<?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">

    <parameters>
        <parameter key="data_collector.config.class">Symfony\Component\HttpKernel\DataCollector\ConfigDataCollector</parameter>
        <parameter key="data_collector.request.class">Symfony\Component\HttpKernel\DataCollector\RequestDataCollector</parameter>
        <parameter key="data_collector.exception.class">Symfony\Component\HttpKernel\DataCollector\ExceptionDataCollector</parameter>
        <parameter key="data_collector.events.class">Symfony\Component\HttpKernel\DataCollector\EventDataCollector</parameter>
        <parameter key="data_collector.logger.class">Symfony\Component\HttpKernel\DataCollector\LoggerDataCollector</parameter>
        <parameter key="data_collector.time.class">Symfony\Component\HttpKernel\DataCollector\TimeDataCollector</parameter>
        <parameter key="data_collector.memory.class">Symfony\Component\HttpKernel\DataCollector\MemoryDataCollector</parameter>
        <parameter key="data_collector.router.class">Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector</parameter>
    </parameters>

    <services>
        <service id="data_collector.config" class="%data_collector.config.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/config.html.twig" id="config" priority="-255" />
            <call method="setKernel"><argument type="service" id="kernel" on-invalid="ignore" /></call>
        </service>

        <service id="data_collector.request" class="%data_collector.request.class%">
            <tag name="kernel.event_subscriber" />
            <tag name="data_collector" template="@WebProfiler/Collector/request.html.twig" id="request" priority="335" />
        </service>

        <service id="data_collector.ajax" class="Symfony\Component\HttpKernel\DataCollector\AjaxDataCollector" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/ajax.html.twig" id="ajax" priority="315" />
        </service>

        <service id="data_collector.exception" class="%data_collector.exception.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/exception.html.twig" id="exception" priority="305" />
        </service>

        <service id="data_collector.events" class="%data_collector.events.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/events.html.twig" id="events" priority="290" />
            <argument type="service" id="event_dispatcher" on-invalid="ignore" />
        </service>

        <service id="data_collector.logger" class="%data_collector.logger.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/logger.html.twig" id="logger" priority="300" />
            <tag name="monolog.logger" channel="profiler" />
            <argument type="service" id="logger" on-invalid="ignore" />
        </service>

        <service id="data_collector.time" class="%data_collector.time.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/time.html.twig" id="time" priority="330" />
            <argument type="service" id="kernel" on-invalid="ignore" />
            <argument type="service" id="debug.stopwatch" on-invalid="ignore" />
        </service>

        <service id="data_collector.memory" class="%data_collector.memory.class%" public="false">
            <tag name="data_collector" template="@WebProfiler/Collector/memory.html.twig" id="memory" priority="325" />
        </service>

        <service id="data_collector.router" class="%data_collector.router.class%" >
            <tag name="kernel.event_listener" event="kernel.controller" method="onKernelController"/>
            <tag name="data_collector" template="@WebProfiler/Collector/router.html.twig" id="router" priority="285" />
        </service>
    </services>
</container>