namespace System.Collections.Specialized
{
    [TypeForwardedFrom("WindowsBase, Version=3.0.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
    public class NotifyCollectionChangedEventArgs : EventArgs
    {
        public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object newItem, object oldItem, int index);
    }
}