/// <inheritdoc/>
public async Task <bool> CanIdentifyAsync(int shardId, CancellationToken token)
{
token.ThrowIfCancellationRequested();
try
{
await cache.AcquireLockAsync(GetCacheKey(shardId), token);
}
catch (OperationCanceledException)
{
return(false);
}
await cache.ExpiresAsync(GetCacheKey(shardId), TimeSpan.FromSeconds(5));
return(true);
}