| 123456789101112131415161718 | using System.Collections.Generic;using System.Runtime.CompilerServices;namespace ILRuntime.Other{    class ByReferenceKeyComparer<T> : IEqualityComparer<T>    {        public bool Equals(T x, T y)        {            return object.ReferenceEquals(x, y);        }        public int GetHashCode(T obj)        {            return RuntimeHelpers.GetHashCode(obj);        }    }}
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