Values.RoutePedestrianNoticeSourceNotices are additional information returned that indicate issues that occurred during route calculation.
type nonrec t = {code : RoutePedestrianNoticeCode.t option;Code corresponding to the issue.
*)impact : RouteNoticeImpact.t option;Impact corresponding to the issue. While Low impact notices can be safely ignored, High impact notices must be evaluated further to determine the impact.
*)}