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    <h3>Editing: MoveWhitelistIncludesToCoverage.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann &lt;sebastian@phpunit.de&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\TextUI\XmlConfiguration;

use DOMDocument;
use DOMElement;
use PHPUnit\Util\Xml\SnapshotNodeList;

/**
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 */
final class MoveWhitelistIncludesToCoverage implements Migration
{
    /**
     * @throws MigrationException
     */
    public function migrate(DOMDocument $document): void
    {
        $whitelist = $document-&gt;getElementsByTagName('whitelist')-&gt;item(0);

        if ($whitelist === null) {
            return;
        }

        $coverage = $document-&gt;getElementsByTagName('coverage')-&gt;item(0);

        if (!$coverage instanceof DOMElement) {
            throw new MigrationException('Unexpected state - No coverage element');
        }

        $include = $document-&gt;createElement('include');
        $coverage-&gt;appendChild($include);

        foreach (SnapshotNodeList::fromNodeList($whitelist-&gt;childNodes) as $child) {
            if (!$child instanceof DOMElement) {
                continue;
            }

            if (!($child-&gt;nodeName === 'directory' || $child-&gt;nodeName === 'file')) {
                continue;
            }

            $include-&gt;appendChild($child);
        }
    }
}
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