NelmioApiDocBundle/Resources/config/services.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">

    <services>
        <service id="nelmio_api_doc.generator" class="Nelmio\ApiDocBundle\ApiDocGenerator">
            <argument type="collection" />
        </service>

        <service id="nelmio_api_doc.controller_reflector" class="Nelmio\ApiDocBundle\Util\ControllerReflector" public="false">
            <argument type="service" id="service_container" />
            <argument type="service" id="controller_name_converter" />
        </service>

        <!-- Extractors -->
        <service id="nelmio_api_doc.describers.route.filtered_route_collection_builder" class="Nelmio\ApiDocBundle\Routing\FilteredRouteCollectionBuilder" public="false">
            <argument type="collection" /> <!-- Path patterns -->
        </service>


        <service id="nelmio_api_doc.describers.route" class="Nelmio\ApiDocBundle\Describer\RouteDescriber" public="false">
            <argument type="service">
                <service class="Symfony\Component\Routing\RouteCollection">
                    <factory service="nelmio_api_doc.describers.route.filtered_route_collection_builder" method="filter" />
                    <argument type="service">
                        <service class="Symfony\Component\Routing\RouteCollection">
                            <factory service="router" method="getRouteCollection" />
                        </service>
                    </argument>
                </service>
            </argument>
            <argument type="service" id="nelmio_api_doc.controller_reflector" />
            <argument type="collection" />

            <tag name="nelmio_api_doc.describer" priority="-100" />
        </service>

        <service id="nelmio_api_doc.describers.default" class="Nelmio\ApiDocBundle\Describer\DefaultDescriber" public="false">
            <tag name="nelmio_api_doc.describer" priority="-1000" />
        </service>

        <!-- Routing Extractors -->
        <service id="nelmio_api_doc.route_describers.route_metadata" class="Nelmio\ApiDocBundle\RouteDescriber\RouteMetadataDescriber" public="false">
            <tag name="nelmio_api_doc.route_describer" priority="-100" />
        </service>
    </services>

</container>