private void AddHand(Hand hand)
 {
     _hands.Insert(hand.Index, hand);
 }
 private bool TryHand(string name, [MaybeNullWhen(false)] out Hand hand)
 {
     return((hand = GetHand(name)) != null);
 }
 private void HideHand(Hand hand)
 {
     _sprite?.LayerSetVisible($"hand-{hand.Name}", false);
 }