Initial Drupal 11 with DDEV setup

vendor/mck89/peast/lib/Peast/Syntax/Node/ArrowFunctionExpression.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\Node;
+
+/**
+ * A node that represents an arrow function.
+ * For example: var fn = (a, b) => console.log(a, b)
+ * 
+ * @author Marco Marchiò <marco.mm89@gmail.com>
+ */
+class ArrowFunctionExpression extends Function_ implements Expression
+{
+    /**
+     * Map of node properties
+     * 
+     * @var array 
+     */
+    protected $propertiesMap = array(
+        "expression" => false
+    );
+    
+    /**
+     * This flag is true when function body is wrapped in curly braces
+     * 
+     * @var bool
+     */
+    protected $expression = false;
+    
+    /**
+     * Sets the function body
+     * 
+     * @param BlockStatement|Expression $body Function body
+     * 
+     * @return $this
+     */
+    public function setBody($body)
+    {
+        $this->assertType($body, array("BlockStatement", "Expression"));
+        $this->body = $body;
+        return $this;
+    }
+    
+    /**
+     * Returns the expression flag
+     * 
+     * @return bool
+     */
+    public function getExpression()
+    {
+        return $this->expression;
+    }
+    
+    /**
+     * Sets the expression flag
+     * 
+     * @param bool $expression Expression flag
+     * 
+     * @return $this
+     */
+    public function setExpression($expression)
+    {
+        $this->expression = (bool) $expression;
+        return $this;
+    }
+}