public void UnusedPrivateMember_FromCSharp8() =>
        Verifier.VerifyAnalyzer(@"TestCases\UnusedPrivateMember.CSharp8.cs",
                                new CS.UnusedPrivateMember(),
                                ParseOptionsHelper.FromCSharp8,
#if NETFRAMEWORK
                                NuGetMetadataReference.NETStandardV2_1_0.Concat(NuGetMetadataReference.MicrosoftExtensionsDependencyInjectionAbstractions(Constants.DotNetCore220Version)));