ImmutableArray<TKey, TValue> sealed class ImmutableArray<TKey, TValue> : IEnumerable<TValue>, IEnumerable Documentation Code public static readonly ImmutableArray<TKey, TValue> Empty public int Length public KeyValue<TKey, TValue>[] Repository public ImmutableArray(KeyValue<TKey, TValue>[] initial) public ImmutableArray(TKey key, TValue value) public ImmutableArray() public ImmutableArray<TKey, TValue> Add(TKey key, TValue value) public ImmutableArray<TKey, TValue> AddOrUpdate(TKey key, TValue value, bool byRef, bool allowUpdate = true, Action<TValue, TValue> updateAction = null) public IEnumerator<TValue> GetEnumerator() public TValue GetOrDefault(TKey key, bool byRef)