--- /dev/null
+<?php
+
+namespace Symfony\Component\DependencyInjection\Tests\Fixtures;
+
+use Symfony\Component\DependencyInjection\ServiceSubscriberInterface;
+
+class TestServiceSubscriber implements ServiceSubscriberInterface
+{
+ public function __construct($container)
+ {
+ }
+
+ public static function getSubscribedServices()
+ {
+ return array(
+ __CLASS__,
+ '?'.CustomDefinition::class,
+ 'bar' => CustomDefinition::class,
+ 'baz' => '?'.CustomDefinition::class,
+ );
+ }
+}