<PackageReference Include="NUnit" Version="4.2.2" />

NUnit.Framework.Constraints.Comparers.ComparisonState

namespace NUnit.Framework.Constraints.Comparers { internal readonly ref struct ComparisonState { public bool TopLevelComparison { get; } public ComparisonState(bool topLevelComparison); public ComparisonState PushComparison(object x, object y); public bool DidCompare(object x, object y); } }