private suspend fun someSuspendedFunction(): Collection<QRScanDetection> {

    //is a suspended function as well
    return qrScanTimer.time {
        //why can't I put the return here instead?
        when (process.exitValue()) {
            0 -> {
                log.info("QR scan completed successfully.")
                //huh??
                return@time resultsAdapter.fromJson(scanResults)!!
            }
            1 -> throw RecoverableQrScanError()
            2 -> throw UnrecoverableQrScanError()
            else -> throw UnknownQrScanError(process.exitValue())
        }
    }
}