Chill.RestRequest.Request C# (CSharp) Метод

        public HttpWebResponse Request(string method, string body, string contentType)
        {
            var request = (HttpWebRequest) WebRequest.Create(_url);
            request.Method = method;

            if (method == "POST")
            {
                request.ContentType = contentType;
                StreamWriter bodyStream = new StreamWriter(request.GetRequestStream());
                bodyStream.Write(body);
                bodyStream.Close();
            }

            return (HttpWebResponse) request.GetResponse();
        }