OpenOutputChannels

fun OpenOutputChannels(vararg outputChannels: Pair<String, OutputChannel<String>>)
fun OpenOutputChannels(outputChannels: Iterable<Pair<String, OutputChannel<String>>>)
fun OpenOutputChannels(outputChannels: Sequence<Pair<String, OutputChannel<String>>>)
fun OpenOutputChannels(outputChannels: Map<String, OutputChannel<String>>)