namespace System.Collections
{
    [ComVisible(true)]
    [DebuggerDisplay("Count = {Count}")]
    [DebuggerTypeProxy(typeof(HashtableDebugView))]
    [DefaultMember("Item")]
    public class Hashtable : ICollection, IDictionary, IEnumerable, ICloneable, IDeserializationCallback, ISerializable
    {
        public virtual void CopyTo(Array array, int arrayIndex);
    }
}