public virtual bool IsReadOnly { get };

public void Add(IEnumerable<T> items)

public bool Remove(T item)

public IEnumerator<T> GetEnumerator()

public bool Add(T item)

public OrderedSet()

public void CopyTo(T[] array, int arrayIndex)

public OrderedSet(IEqualityComparer<T> comparer)

public void Clear()

public bool Contains(T item)

public int Count { get };