<PackageReference Include="NUnit" Version="4.3.2" />

NUnit.Framework.IEqualWithUsingConstraint<T>

public interface IEqualWithUsingConstraint<T>
Interface for equal constraints which support user comparisons.
namespace NUnit.Framework { public interface IEqualWithUsingConstraint<[System.Runtime.CompilerServices.Nullable(2)] T> { T Expected { get; } } }