public virtual async Task <string> TransmitirAsync(UrlSefaz sefazUrl, XmlDocument envelope)
        {
            logger.LogInformation($"Iniciando transmissão Sefaz [{sefazUrl.Url}]");
            HttpWebRequest webRequest = SoapEnvelopeFabrica.CriarWebRequest(sefazUrl.Url, "application/soap+xml;charset=utf-8");

            Soap.InserirSoapEnvelopeWebRequest(envelope, webRequest);

            webRequest.ClientCertificates.Add(ObterCertificado.Obter(configuracao.ConfigCertificado));

            IAsyncResult asyncResult = webRequest.BeginGetResponse(null, null);

            string soapResult;

            using (WebResponse webResponse = webRequest.EndGetResponse(asyncResult))
            {
                using StreamReader rd = new StreamReader(webResponse.GetResponseStream());
                soapResult            = await rd.ReadToEndAsync();
            }

            logger.LogInformation($"Encerrando transmissão Sefaz");
            return(soapResult);
        }