public void FindFriends(long steamId)
        {
            SteamIdentity        identity      = SteamIdentity.FromSteamID(steamId);
            GetFriendListBuilder friendBuilder = SteamWebAPI.General().ISteamUser().GetFriendList(identity, RelationshipType.Friend);

            try
            {
                var response = friendBuilder.GetResponse();
                if (response != null && response.Data != null)
                {
                    List <Friend> friends = response.Data.Friends.ToList();

                    foreach (Friend friend in friends)
                    {
                        _queue.Push(friend.Identity.SteamID);
                    }

                    Console.WriteLine("Found friends for {0} (found {1}), queue: {2}", steamId, friends.Count, _queue.Count);
                }
            }
            catch (Exception)
            {
            }
        }