class TracingService extends RecordService {

    public Tracing update(ItemValuesMap itemValues,
                          List<String> photoBitPaths) throws IOException {
        Tracing tracing = updateTracingFromItemValues(itemValues);
        tracing.setSynced(false);
        return tracingPhotoDao.update(tracingDao.update(tracing), photoBitPaths);
    }

    public  TracingService(TracingDao tracingDao, TracingPhotoDao tracingPhotoDao);

}