updated streamline-setup v2

docker/_streamline-src/vendor/symfony/http-kernel/RebootableInterface.php

@@ -0,0 +1,32 @@
+<?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\HttpKernel;
+
+/**
+ * Allows the Kernel to be rebooted using a temporary cache directory.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface RebootableInterface
+{
+    /**
+     * Reboots a kernel.
+     *
+     * The getBuildDir() method of a rebootable kernel should not be called
+     * while building the container. Use the %kernel.build_dir% parameter instead.
+     *
+     * @param string|null $warmupDir pass null to reboot in the regular build directory
+     *
+     * @return void
+     */
+    public function reboot(?string $warmupDir);
+}