Dart APIunself_app$SettingsAppearanceRouteExtension $SettingsAppearanceRouteExtension extension Null safety on SettingsAppearanceRoute Properties location → String read-only Methods go(BuildContext context) → void push(BuildContext context) → void unself_app unself_app $SettingsAppearanceRouteExtension extension unself_app library Classes AnalyticRouteObserver App AppRouter AppShell LicenseDetailRoute LicenseListRoute SettingsAppearanceRoute SettingsDataRoute SettingsListRoute SettingsRoutes UnpackAssistantRoute UnpackRoutes Extensions $LicenseDetailRouteExtension $LicenseListRouteExtension $SettingsAppearanceRouteExtension $SettingsDataRouteExtension $SettingsRoutesExtension $UnpackRoutesExtension Properties $appRoutes $settingsRoutes $unpackRoutes Typedefs RouteFilter ScreenNameExtractor Properties location Methods go push