stable class LocalActivityResultRegistryOwner { stable val LocalComposition: ProvidableCompositionLocal = Stable } unstable class ManagedActivityResultLauncher { unstable val launcher: ActivityResultLauncherHolder stable val contract: State> = Unstable } stable class LocalOnBackPressedDispatcherOwner { stable val LocalOnBackPressedDispatcherOwner: ProvidableCompositionLocal = Stable }