private static Message ConfigureRequestMessage(Message message)
        {
            if (message == null)
            {
                return null;
            }

            HttpRequestMessageProperty requestProperty = message.GetHttpRequestMessageProperty();
            if (requestProperty == null)
            {
                throw new InvalidOperationException(
                    string.Format(
                        CultureInfo.CurrentCulture,
                        SR.RequestMissingHttpRequestMessageProperty,
                        HttpRequestMessageProperty.Name,
                        typeof(HttpRequestMessageProperty).FullName));
            }

            Uri uri = message.Headers.To;
            if (uri == null)
            {
                throw new InvalidOperationException(SR.RequestMissingToHeader);
            }

            HttpRequestMessage httpRequestMessage = message.ToHttpRequestMessage();
            if (httpRequestMessage == null)
            {
                httpRequestMessage = new HttpRequestMessage();
                httpRequestMessage.Content = new StringContent(String.Empty);
                httpRequestMessage.Content.Headers.ContentLength = 0;
                message.Close();
                message = httpRequestMessage.ToMessage();
            }
            else
            {
                message.Headers.Clear();
                message.Properties.Clear();
                httpRequestMessage.Headers.Clear();
                httpRequestMessage.GetProperties().Clear();
            }

            message.Headers.To = uri;

            httpRequestMessage.RequestUri = uri;
            httpRequestMessage.Method = new HttpMethod(requestProperty.Method);

            foreach (var headerName in requestProperty.Headers.AllKeys)
            {
                if (headerName.StartsWith("content-", StringComparison.OrdinalIgnoreCase) ||
                    headerName.Equals("Allow", StringComparison.OrdinalIgnoreCase) ||
                    headerName.Equals("Expires") ||
                    headerName.Equals("Expires", StringComparison.OrdinalIgnoreCase))
                {
                    httpRequestMessage.Content.Headers.Remove(headerName);
                    httpRequestMessage.Content.Headers.Add(headerName, requestProperty.Headers[headerName]);
                    continue;
                }

                httpRequestMessage.Headers.Remove(headerName);
                httpRequestMessage.Headers.Add(headerName, requestProperty.Headers[headerName]);
            }

            return message;
        }