declare module fb {
    interface ILogService {
        logBalloon(logMessage: string, serverErrorId: string, errorHash: string, logLevel?: string): void;
        log(log: string, stacktrace?: any, serverErrorId?: string, logLevel?: string, isBalloon?: boolean, errorHash?: string): void;
        addMetadata(type: number, message: string): any;
    }
}