nextcloud-mephi/apps/files_trashbin/appinfo/app.php

<?php

//OC::$CLASSPATH['OCA\Files_Trashbin\Hooks'] = 'files_trashbin/lib/hooks.php';
//OC::$CLASSPATH['OCA\Files_Trashbin\Trashbin'] = 'files_trashbin/lib/trash.php';

// register hooks
\OCA\Files_Trashbin\Trashbin::registerHooks();