Initial Drupal 11 with DDEV setup

vendor/symfony/routing/Loader/Configurator/RouteConfigurator.php

@@ -0,0 +1,58 @@
+<?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\Routing\Loader\Configurator;
+
+use Symfony\Component\Routing\RouteCollection;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class RouteConfigurator
+{
+    use Traits\AddTrait;
+    use Traits\HostTrait;
+    use Traits\RouteTrait;
+
+    public function __construct(
+        RouteCollection $collection,
+        RouteCollection $route,
+        string $name = '',
+        protected ?CollectionConfigurator $parentConfigurator = null, // for GC control
+        ?array $prefixes = null,
+    ) {
+        $this->collection = $collection;
+        $this->route = $route;
+        $this->name = $name;
+        $this->prefixes = $prefixes;
+    }
+
+    /**
+     * Sets the host to use for all child routes.
+     *
+     * @param string|array $host the host, or the localized hosts
+     *
+     * @return $this
+     */
+    final public function host(string|array $host): static
+    {
+        $previousRoutes = clone $this->route;
+        $this->addHost($this->route, $host);
+        foreach ($previousRoutes as $name => $route) {
+            if (!$this->route->get($name)) {
+                $this->collection->remove($name);
+            }
+        }
+        $this->collection->addCollection($this->route);
+
+        return $this;
+    }
+}