get
inline fun <C : StateEventContent> RoomStateStore.get(roomId: RoomId): Flow<Map<String, Flow<Event<C>?>>?>
inline fun <C : RoomAccountDataEventContent> RoomAccountDataStore.get(roomId: RoomId, key: String = ""): Flow<Event.RoomAccountDataEvent<C>?>
inline fun <C : GlobalAccountDataEventContent> GlobalAccountDataStore.get(key: String = ""): Flow<Event.GlobalAccountDataEvent<C>?>