flatMapNotNull

inline fun <T, R> Flow<Flow<T>>.flatMapNotNull(crossinline mapper: suspend (T) -> R): Flow<R & Any>
@JvmName(name = "flatMapNotNullIterable")
inline fun <T, R> Flow<Iterable<T>>.flatMapNotNull(crossinline mapper: suspend (T) -> R): Flow<R & Any>