public void TryToAdd(CommandRegistryItem item, CancellationToken cancellationToken = default)
{
if (_inner.Where(x => !string.IsNullOrEmpty(item.Key) && x.Value.Key == item.Key && x.Value.State < CommandRegistryItemState.Cancelled).Any())
{
throw new ConcurrencyException();
}
item.CancellationToken = cancellationToken;
item.SetConflictingIds(GetIdsOfConflictingIncompleteRequests(item));
item.Index = _inner.Count() + 1;
_inner.TryAdd(item.CorrelationId, item);
}
