A delegate to parse the route information from the routeInformationProvider into a generic data type to be processed by the routerDelegate at a later stage.
This object will be used by the underlying Router.
The generic type
T must match the generic type of the routerDelegate.
- Router.routeInformationParser, which receives this object when this widget builds the Router.
final RouteInformationParser<Object>? routeInformationParser;