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typo3/sysext/install/Classes/Updates/ChattyInterface.php

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+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Install\Updates;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Is this upgradeWizard chatty aka does it need to output things?
+ */
+interface ChattyInterface
+{
+    /**
+     * Setter injection for output into upgrade wizards
+     *
+     * @param OutputInterface $output
+     */
+    public function setOutput(OutputInterface $output): void;
+}