var res = HttpRequest.Get("url")
      .ContentType("application/json")
      .Timeout(2000)
      .UserAgent(
            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36")
      .Referer("http://www.baidu.com")
      .Headers(new { auth = "bearer token" })
      .Cookies(new { u = "123456" })
      .KeepAlive()
      .IgnoreCertError()
      .ConnectionLimit(20)
      .ResponseValue<T>();


var res = HttpRequest.Post("url").Form(new { name = "jack" }).ResponseValue<T>();

var res = HttpRequest.Post("url").Form(
      new List<NamedFileStream> { new NamedFileStream("name", "filename", FileStream) },
      new { name = "jack" })
.ResponseValue<T>();

HttpRequest.Post("url").OnSuccess((statuscode, content) => { }).OnFail((statuscode, error) => { }).Start();


var res = HttpRequest.Post("url").Body(new { name = "jack" })
.AddCertificate("", "")
.ContentType("html/text")
.ResponseValue<T>();


HttpRequest.Get("https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png")
.Download("/download/logo.png");