BidirectionalDictionary<TFirst, TSecond> class BidirectionalDictionary<TFirst, TSecond> Documentation public BidirectionalDictionary() public BidirectionalDictionary(IEqualityComparer<TFirst> firstEqualityComparer, IEqualityComparer<TSecond> secondEqualityComparer) public void Add(TFirst first, TSecond second) public bool TryGetByFirst(TFirst first, out TSecond second) public bool TryGetBySecond(TSecond second, out TFirst first)