Dart APIunself_appSettingsDataRouteSettingsDataRoute const constructor SettingsDataRoute constructor Null safety const SettingsDataRoute() A description for SettingsDataRoute Implementation const SettingsDataRoute(); unself_app unself_app SettingsDataRoute SettingsDataRoute const constructor SettingsDataRoute class Constructors SettingsDataRoute Properties hashCode runtimeType Methods build buildPage noSuchMethod redirect toString Operators operator == Static properties name