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#if NET20 || NET30 || NET35 || NET40 || !NET_4_6
namespace System.Collections.Generic
{
public partial interface IReadOnlyDictionary<TKey, TValue> : IReadOnlyCollection<KeyValuePair<TKey, TValue>>
{
IEnumerable<TKey> Keys { get; }
IEnumerable<TValue> Values { get; }
}
public partial interface IReadOnlyDictionary<TKey, TValue>
{
TValue this[TKey key] { get; }
}
public partial interface IReadOnlyDictionary<TKey, TValue>
{
bool ContainsKey(TKey key);
bool TryGetValue(TKey key, out TValue value);
}
}
#endif