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

IResolveConstraint

public interface IResolveConstraint
The IResolveConstraint interface is implemented by all complete and resolvable constraints and expressions.
using System.Runtime.CompilerServices; namespace NUnit.Framework.Constraints { [NullableContext(1)] public interface IResolveConstraint { IConstraint Resolve(); } }