/// <summary>
/// Returns the permanent redirect response and interrupts the execution of current request.
/// </summary>
public static void RedirectToRoutePermanent(this IDotvvmRequestContext context, string routeName, object newRouteValues = null, bool replaceInHistory = false, bool allowSpaRedirect = true)
{
var route = context.Configuration.RouteTable[routeName];
var url = route.BuildUrl(context.Parameters, newRouteValues);
context.RedirectToUrlPermanent(url, replaceInHistory, allowSpaRedirect);
}