update

inline fun <T> TypedSavedStateHandle.update(key: BundleKey<T, *>, reducer: (T) -> T)
inline suspend fun <T> TypedSavedStateHandle.update(key: AsyncBundleKey<T, *>, reducer: (T) -> T)
inline fun <T> SavedStateHandle.update(key: BundleKey<T, *>, reducer: (T) -> T)
inline suspend fun <T> SavedStateHandle.update(key: AsyncBundleKey<T, *>, reducer: (T) -> T)