--- /dev/null
+<?php
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+$container = new ContainerBuilder();
+$container->
+ register('foo', 'FooClass')->
+ addArgument(new Reference('bar'))
+;
+$container->
+ register('bar', 'BarClass')
+;
+$container->compile();
+
+return $container;