default services conflit ?

old.vendor/symfony/dependency-injection/ParameterBag/ContainerBag.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\ParameterBag;
+
+use Symfony\Component\DependencyInjection\Container;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ContainerBag extends FrozenParameterBag implements ContainerBagInterface
+{
+    private $container;
+
+    public function __construct(Container $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function all()
+    {
+        return $this->container->getParameterBag()->all();
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return array|bool|string|int|float|null
+     */
+    public function get($name)
+    {
+        return $this->container->getParameter($name);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function has($name)
+    {
+        return $this->container->hasParameter($name);
+    }
+}