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    <h3>Editing: Project.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php declare(strict_types=1);
/*
 * This file is part of phpunit/php-code-coverage.
 *
 * (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 SebastianBergmann\CodeCoverage\Report\Xml;

use DOMDocument;

/**
 * @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage
 */
final class Project extends Node
{
    public function __construct(string $directory)
    {
        $this-&gt;init();
        $this-&gt;setProjectSourceDirectory($directory);
    }

    public function projectSourceDirectory(): string
    {
        return $this-&gt;contextNode()-&gt;getAttribute('source');
    }

    public function buildInformation(): BuildInformation
    {
        $buildNode = $this-&gt;dom()-&gt;getElementsByTagNameNS(
            'https://schema.phpunit.de/coverage/1.0',
            'build'
        )-&gt;item(0);

        if (!$buildNode) {
            $buildNode = $this-&gt;dom()-&gt;documentElement-&gt;appendChild(
                $this-&gt;dom()-&gt;createElementNS(
                    'https://schema.phpunit.de/coverage/1.0',
                    'build'
                )
            );
        }

        return new BuildInformation($buildNode);
    }

    public function tests(): Tests
    {
        $testsNode = $this-&gt;contextNode()-&gt;getElementsByTagNameNS(
            'https://schema.phpunit.de/coverage/1.0',
            'tests'
        )-&gt;item(0);

        if (!$testsNode) {
            $testsNode = $this-&gt;contextNode()-&gt;appendChild(
                $this-&gt;dom()-&gt;createElementNS(
                    'https://schema.phpunit.de/coverage/1.0',
                    'tests'
                )
            );
        }

        return new Tests($testsNode);
    }

    public function asDom(): DOMDocument
    {
        return $this-&gt;dom();
    }

    private function init(): void
    {
        $dom = new DOMDocument;
        $dom-&gt;loadXML('&lt;?xml version=&quot;1.0&quot; ?&gt;&lt;phpunit xmlns=&quot;https://schema.phpunit.de/coverage/1.0&quot;&gt;&lt;build/&gt;&lt;project/&gt;&lt;/phpunit&gt;');

        $this-&gt;setContextNode(
            $dom-&gt;getElementsByTagNameNS(
                'https://schema.phpunit.de/coverage/1.0',
                'project'
            )-&gt;item(0)
        );
    }

    private function setProjectSourceDirectory(string $name): void
    {
        $this-&gt;contextNode()-&gt;setAttribute('source', $name);
    }
}
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