public async Task SaveEntitiesAsync(CancellationToken cancellationToken = default)
{
await SaveChangesAsync(cancellationToken);
foreach (var domainEvent in ChangeTracker
.Entries()
.Select(x => x.Entity)
.OfType <Entity>()
.SelectMany(x => x.Events))
{
_eventStorage.Add(domainEvent);
}
}