ns": false
                },
                developmentOptions: {
                    logLevel: 0
                },
                additionalBuiltinExtensions: [
                    {
                        scheme: scheme,
                        authority: url.host,
                        path: "/system"
                    },{
                        scheme: scheme,
                        authority: url.host,
                        path: "/preview"
                    }
                ],
        