@EventHandler
    public void onMessage(PubSubMessageEvent e) {
        if (!e.getChannel().equals(CHANNEL)) {
            return;
        }

        this.consumer.consumeIncomingMessageAsString(e.getMessage());
    }
An implementation of {@link Messenger} using Redis, via RedisBungee's API.
bungee/src/main/java/me/lucko/luckperms/bungee/messaging/RedisBungeeMessenger.java