public async Task <bool> TryAddAsync(ITransaction tx, TKey key, TValue value, TimeSpan timeout, CancellationToken cancellationToken)
{
var result = await _dictionary.TryAddAsync(tx, key, value, timeout, cancellationToken).ConfigureAwait(false);
if (result)
{
await OnAddAsync(tx, key, value, timeout, cancellationToken).ConfigureAwait(false);
}
return(result);
}