public static void RegisterOData <TCtx, T>(this DbSync <TCtx> sync,
Func <TCtx, DataServiceQuery <T> > queryCtor, Func <DataServiceQuery <T>, DateTime, IQueryable <T> > queryUpdate,
Func <TCtx, DateTime, IQueryable <DeletedObject> > deletedQueryCtor, params string[] tags)
where T : class, ITimestamp
where TCtx : DataServiceContext
{
sync.Register <T>(CreateQuery(queryCtor, queryUpdate), CreateDeletedQuery(deletedQueryCtor), tags);
}
