<PackageReference Include="NUnit" Version="4.6.1" />

NUnit.Framework.Constraints.NoItemConstraint

NoItemConstraint applies another constraint to each item in a collection, failing if any of them succeeds.
namespace NUnit.Framework.Constraints { public class NoItemConstraint : PrefixConstraint, IEnumerableConstraint, IConstraint, IResolveConstraint { public NoItemConstraint(IConstraint itemConstraint); public ConstraintResult ApplyToEnumerable<[System.Runtime.CompilerServices.Nullable(2)] TActual, [System.Runtime.CompilerServices.Nullable(2)] TItem>(TActual actual, IEnumerable<TItem> enumerable); } }