class EventSubscriber

class EventSubscriber implements EventSubscriberInterface {
    
    /**
     * {@inheritdoc}
     */
    public static function getSubscribedEvents() : array {
        $events = [];
        // If the autoloader is not fixed during module install when the modules
        // module_install_class_loader_test1 and module_install_class_loader_test2
        // are enabled in the same request the class_exists() will cause a crash.
        // This is because \Composer\Autoload\ClassLoader maintains a negative
        // cache.
        if (class_exists('\\Drupal\\module_install_class_loader_test2\\EventSubscriber')) {
            $events = [];
        }
        return $events;
    }

}