ListIn the example above, the hand contains two pairs of aces and kings, making it a winning hand in a game of poker. The package library for PokerHandsChecker is likely to be a poker game library, such as those used for online gambling platforms or poker training applications.hand = new List () { new Card(CardRank.Ace, CardSuit.Hearts), new Card(CardRank.Ace, CardSuit.Clubs), new Card(CardRank.King, CardSuit.Spades), new Card(CardRank.King, CardSuit.Diamonds), new Card(CardRank.Jack, CardSuit.Hearts) }; PokerHandsChecker checker = new PokerHandsChecker(); bool hasTwoPair = checker.IsTwoPair(hand); // Returns true