Initial Drupal 11 with DDEV setup

vendor/mck89/peast/lib/Peast/Syntax/ES2016/Features.php

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+<?php
+/**
+ * This file is part of the Peast package
+ *
+ * (c) Marco Marchiò <marco.mm89@gmail.com>
+ *
+ * For the full copyright and license information refer to the LICENSE file
+ * distributed with this source code
+ */
+namespace Peast\Syntax\ES2016;
+
+/**
+ * ES2016 features class
+ * 
+ * @author Marco Marchiò <marco.mm89@gmail.com>
+ * 
+ * @codeCoverageIgnore
+ */
+class Features extends \Peast\Syntax\ES2015\Features
+{
+    /**
+     * Exponentiation operator
+     *
+     * @var bool
+     */
+    public $exponentiationOperator = true;
+}