mySink.use {
            ktorHttpClient.prepareGet(url).execute { httpResponse ->
                val channel = httpResponse.bodyAsChannel()
                // TODO ideally there would just be a way to get a Source from ktor and write Source->Sink
                while (!channel.isClosedForRead) {
                    val packet = channel.readRemaining(8192L)
                    while (!packet.isEmpty) {
                        val bytes = packet.readBytes()
                        mySink.write(bytes)
                    }
                }
                mySink.flush()
            }
        }