https://doc.wikimedia.org/mediawiki-core/master/php/interfaceMediaWiki_1_1Specials_1_1Hook_1_1SpecialContributions____formatRow____flagsHook.html
MediaWiki: MediaWiki\Specials\Hook\SpecialContributions__formatRow__flagsHook Interface Reference
mediawikispecialshookinterfacereference