var host = new _lib.Microsoft.ClearScript.HostFunctions();
var req = host.newObj(_lib.LTools.Network.Model.TrafficHistoryItem);
req.URL = "http://api.mathjs.org/v4/";
req.ContentType = "application/json";
var hdr = host.newObj(_lib.LTools.Network.Model.PackageHeader);
req.Headers = host.newObj(_lib.System.Collections.ObjectModel.ObservableCollection(_lib.LTools.Network.Model.PackageHeader));
var resp = _lib.LTools.Network.NetworkApp.WebRequest(wf, req, 10000);