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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
** Interface: IReadOnlyDictionary<TKey, TValue>
**
**
**
** Purpose: Base interface for read-only generic dictionaries.
**
===========================================================*/
using System;
using System.Diagnostics.Contracts;
namespace System.Collections.Generic
{
// Provides a read-only view of a generic dictionary.
public interface IReadOnlyDictionary<TKey, TValue> : IReadOnlyCollection<KeyValuePair<TKey, TValue>>
{
bool ContainsKey(TKey key);
bool TryGetValue(TKey key, out TValue value);
TValue this[TKey key] { get; }
IEnumerable<TKey> Keys { get; }
IEnumerable<TValue> Values { get; }
}
}
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