question: public static Set < String > readRegisteredChannels ( PluginMessage pluginMessage ) { String channels = new String ( pluginMessage . getData ( ) , Charsets . UTF_8 ) ; String [ ] split = channels . split ( "\0" ) ; Set < String > channelSet = ImmutableSet . copyOf ( split ) ; return channelSet ; }
target:  Gets the registered FML channels from the packet.