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

NUnit.Framework.Internal.Builders.NUnitTestCaseBuilder

public class NUnitTestCaseBuilder
NUnitTestCaseBuilder is a utility class used by attributes that build test cases.
namespace NUnit.Framework.Internal.Builders { public class NUnitTestCaseBuilder { public NUnitTestCaseBuilder(); public TestMethod BuildTestMethod(IMethodInfo method, Test parentSuite, TestCaseParameters parms); } }