Kotlin Coroutines Wait Multiple / Await All Deferred to Complete

launch(Dispatchers.Default) {    val d1 = async {        delay(1000)        "result1"    }    val d2 = async {        delay(5000)        "result2"    }    val (r1, r2) = listOf(d1, d2).awaitAll()    Timber.d("r1=$r1, r2=$r2")}