System.Collections.Generic.OrderedDictionary<TKey, TValue>
sealed class OrderedDictionary<TKey, TValue> : IDictionary<TKey, TValue>, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable, IReadOnlyDictionary<TKey, TValue>, IReadOnlyCollection<KeyValuePair<TKey, TValue>>, IDictionary, ICollection, IList<KeyValuePair<TKey, TValue>>, IReadOnlyList<KeyValuePair<TKey, TValue>>, IList
namespace System.Collections.Generic
{
}