internal CoreRouter(IHandlerBuilder content, IEnumerable <IConcernBuilder> concerns, bool development) { Content = Concerns.Chain(this, concerns, (p) => content.Build(p)); Template = Placeholders.Template <TemplateModel>(Data.FromResource("Template.html")) .Build(); ErrorRenderer = Placeholders.Template <ErrorModel>(Data.FromResource(development ? "ErrorStacked.html" : "Error.html")) .Build(); }