plugins/Installation/FormDefaultSettings.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugins\Installation;

use Piwik\QuickForm2;

class FormDefaultSettings extends QuickForm2
{
    public function __construct($id = 'defaultsettingsform', $method = 'post', $attributes = null, $trackSubmit = false)
    {
        parent::__construct($id, $method, $attributes, $trackSubmit);
    }

    public function init()
    {
    }
}