PluginMessageUtil usage

# bukkit
PluginMessageUtil.listen(MessageChannel("example:main")) {
  Bukkit.broadcast(text(readUTF()))
}

PluginMessageUtil.bytes {
  writeUTF("Hello, World!")
}

player.send(MessageChannel("example:main")) {
  writeUTF("DataResponse")
  writeUTF(data)
}

# bungee
# player is receiver
# "DataResponse" is SubChannel
PluginMessageUtil.listen(player, MessageChannel("example:main"), "DataResponse", filter = { true }) { player ->
  data = readUTF()
}

server.send(MessageChannel("example:main")) {
  writeUTF("DataReceived")
}