Added Project structure, API, Frontend and Websockets

api/vendor/symfony/http-kernel/Controller/ValueResolverInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Responsible for resolving the value of an argument based on its metadata.
+ *
+ * @author Nicolas Grekas <[email protected]>
+ */
+interface ValueResolverInterface
+{
+    /**
+     * Returns the possible value(s).
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable;
+}