RoutesUpdatedResult
Routes updated result is provided via RoutesObserver whenever a list of routes changes.
The route at index 0, if exist, will be treated as the primary route for 'Active Guidance'.
Parameters
navigationRoutes
list of currently maintained routes
ignoredRoutes
list of alternative routes that were ignored because they are invalid for navigation. See IgnoredRoute for details.
reason
why the routes have been updated (re-route, refresh route, and etc.)