public function activate(Composer $composer, IOInterface $io)
    {
        // preload classes to prevent errors when removing the plugin
        class_exists(NpmBridge::class);
        class_exists(NpmBridgeFactory::class);
        class_exists(NpmClient::class);
        class_exists(NpmBridge::class);
        class_exists(NpmVendorFinder::class);
    }