getLiveData

fun <T, BACKED_BY> SavedStateHandle.getLiveData(key: Key<T, BACKED_BY, *, *>): MutableLiveData<T>
fun <T, BACKED_BY> TypedSavedStateHandle.getLiveData(key: Key<T, BACKED_BY, *, *>): MutableLiveData<T>
fun <T, BACKED_BY> SavedStateHandle.getLiveData(key: AsyncKey<T, BACKED_BY, *, *>, scope: CoroutineScope): MutableLiveData<T>
fun <T, BACKED_BY> TypedSavedStateHandle.getLiveData(key: AsyncKey<T, BACKED_BY, *, *>, scope: CoroutineScope): MutableLiveData<T>