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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.

using System;

namespace System.Collections
{
    // An IEqualityComparer is a mechanism to consume custom performant comparison infrastructure
    // that can be consumed by some of the common collections.
    public interface IEqualityComparer
    {
        bool Equals(Object x, Object y);
        int GetHashCode(Object obj);
    }
}