Add Composer autoloading functions and PHPStan for testing

vendor/nette/php-generator/src/PhpGenerator/Constant.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\PhpGenerator;
+
+use Nette;
+
+
+/**
+ * Class constant.
+ */
+final class Constant
+{
+	use Nette\SmartObject;
+	use Traits\NameAware;
+	use Traits\VisibilityAware;
+	use Traits\CommentAware;
+
+	/** @var mixed */
+	private $value;
+
+
+	/**
+	 * @return static
+	 */
+	public function setValue($val): self
+	{
+		$this->value = $val;
+		return $this;
+	}
+
+
+	public function getValue()
+	{
+		return $this->value;
+	}
+}