@Override
    public void close() {
        ProxyServer proxy = this.plugin.getBootstrap().getProxy();
        proxy.getChannelRegistrar().unregister(CHANNEL);
        proxy.getEventManager().unregisterListener(this.plugin.getBootstrap(), this);
    }
An implementation of {@link Messenger} using the plugin messaging channels.
velocity/src/main/java/me/lucko/luckperms/velocity/messaging/PluginMessageMessenger.java