Added Project structure, API, Frontend and Websockets

api/vendor/symfony/css-selector/Node/AbstractNode.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\CssSelector\Node;
+
+/**
+ * Abstract base node class.
+ *
+ * This component is a port of the Python cssselect library,
+ * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
+ *
+ * @author Jean-François Simon <[email protected]>
+ *
+ * @internal
+ */
+abstract class AbstractNode implements NodeInterface
+{
+    private string $nodeName;
+
+    public function getNodeName(): string
+    {
+        return $this->nodeName ??= preg_replace('~.*\\\\([^\\\\]+)Node$~', '$1', static::class);
+    }
+}