I assume these...
private static function shouldNoIndexForNewArticleReasons( WikiPage $page ) { global $wgPageTriageNoIndexUnreviewedNewArticles, $wgPageTriageMaxAge;
Should be changed to something like...
$config = MediaWikiServices::getInstance()->getMainConfig(); $pageTriageDraftNamespaceId = $config->get( 'PageTriageDraftNamespaceId' );