JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr Writer::class, BeforeExport::class => Writer::class, BeforeSheet::class => Sheet::class, AfterSheet::class => Sheet::class, ]; /** * @param string $concern * @param callable $handler * @param string $event */ public static function extend(string $concern, callable $handler, string $event = BeforeWriting::class) { /** @var HasEventBus $delegate */ $delegate = static::$eventMap[$event] ?? BeforeWriting::class; $delegate::listen($event, function (Event $event) use ($concern, $handler) { if ($event->appliesToConcern($concern)) { $handler($event->getConcernable(), $event->getDelegate()); } }); } }