Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/dependency-injection/Tests/Fixtures/php/services8.php

@@ -0,0 +1,54 @@
+<?php
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\Exception\InactiveScopeException;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
+
+/**
+ * ProjectServiceContainer.
+ *
+ * This class has been auto-generated
+ * by the Symfony Dependency Injection Component.
+ */
+class ProjectServiceContainer extends Container
+{
+    private $parameters;
+    private $targetDirs = array();
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct(new ParameterBag($this->getDefaultParameters()));
+    }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
+            'foo' => '%baz%',
+            'baz' => 'bar',
+            'bar' => 'foo is %%foo bar',
+            'escape' => '@escapeme',
+            'values' => array(
+                0 => true,
+                1 => false,
+                2 => NULL,
+                3 => 0,
+                4 => 1000.3,
+                5 => 'true',
+                6 => 'false',
+                7 => 'null',
+            ),
+        );
+    }
+}