NUnit.Framework.Constraints.AssignableToConstraint<TExpected>
AssignableToConstraint is used to test that an object
can be assigned to an instance of a given Type.
namespace NUnit.Framework.Constraints
{
public class AssignableToConstraint<[Nullable(2)] TExpected> : TypeConstraint<TExpected>
{
public AssignableToConstraint();
}
}