protected static WinHttpClientHandler CreateHttpClientHandler(bool useHttp2LoopbackServer = false)
        {
            WinHttpClientHandler handler = new WinHttpClientHandler();

            if (useHttp2LoopbackServer)
            {
                handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
            }

            return(handler);
        }
        protected static WinHttpClientHandler CreateHttpClientHandler(Version useVersion = null, bool allowAllCertificates = true)
        {
            useVersion ??= HttpVersion.Version11;

            WinHttpClientHandler handler = new WinHttpClientHandler(useVersion);

            if (allowAllCertificates)
            {
                handler.ServerCertificateCustomValidationCallback = TestHelper.AllowAllCertificates;
            }

            return(handler);
        }