<?php
/*---------------------------------------------------------------------------------------------
 * Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

namespace Microsoft\PhpParser\Node;

use Microsoft\PhpParser\Node;
use Microsoft\PhpParser\Token;

class UseVariableName extends Node {
    const CHILD_NAMES = ['byRef', 'variableName'];

    /** @var Token|null */
    public $byRef;

    /** @var Token */
    public $variableName;

    public function getName() {
        if (
            $this->variableName instanceof Token &&
            $name = substr($this->variableName->getText($this->getFileContents()), 1)
        ) {
            return $name;
        }
        return null;
    }
}