private async Task DispatchPreSaveEventsAsync(CancellationToken cancellationToken = default) { var entities = ChangeTracker .Entries <EntityBase>() .Where(x => x.Entity.PreSaveDomainEvents != null && x.Entity.PreSaveDomainEvents.Any()) .Select(x => x.Entity); await _eventDispatcher.DispatchPreSaveAsync(entities, cancellationToken); }