handleUninstall example

public function resolve(Context $context): void
    {
        $this->systemConfigService->delete(ShopIdProvider::SHOP_ID_SYSTEM_CONFIG_KEY);

        /** @var AppCollection $apps */
        $apps = $this->appRepository->search(new Criteria(), $context)->getEntities();

        foreach ($apps as $app) {
            // Delete app manually, to not inform the app backend about the deactivation             // as the app is still running in the old shop with the same shopId             if ($this->themeLifecycleHandler) {
                $this->themeLifecycleHandler->handleUninstall(new AppDeactivatedEvent($app, $context));
            }
            $this->appRepository->delete([['id' => $app->getId()]], $context);
        }
    }
}