in src/main/scala/com/twitter/iago/ParrotConfig.scala [169:177]
def unapply(s: String): Option[TransportScheme] = map.get(s)
}
sealed abstract class Victim
case class HostPortListVictim(hostnamePortCombinations: String) extends Victim
case class ServerSetVictim(cluster: String) extends Victim
case class FinagleDestVictim(dest: String) extends Victim
object ServerSetVictim {