Clean Architecture and Kotlin Coroutines post loading image async

AsyncImageFetcher.kt

suspend fun fetchImage(key: String, storage: Storage, imageFetcher: ImageFetcher) : Bitmap {
    val url = async {storage.getUrlForKey(key)}.await()
    val image = async { imageFetcher.getImageFromUrl(url) }
    println("this might be run after the async have started")
    return image.await()
}