services for the bundle

src/ApiBundle/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="user.example" class="ApiBundle\Example">
+            <argument type="service" id="service_id" />
+            <argument>plain_value</argument>
+            <argument>%parameter_name%</argument>
+        </service>
+    </services>
+    -->
+    <parameters>
+        <parameter key="api.age.handler.class">ApiBundle\Entity\AgeHandler</parameter>
+        <parameter key="api.age.class">ApiBundle\Entity\Age</parameter>
+    </parameters>
+
+    <services>
+        <service id="acme_blog.page.handler" class="%api.age.handler.class%">
+            <argument type="service" id="doctrine.orm.entity_manager" />
+            <argument>%api.age.class%</argument>
+            <argument type="service" id="form.factory"></argument>
+        </service>
+    </services>
+</container>