@Override
    public Optional<String> lookupUsername(UUID uniqueId) {
        if (getProxy().getPluginManager().getPlugin("RedisBungee") != null) {
            try {
                return RedisBungeeUtil.lookupUsername(uniqueId);
            } catch (Throwable t) {
                t.printStackTrace();
            }
        }

        return Optional.empty();
    }
The time when the plugin was enabled
bungee/src/main/java/me/lucko/luckperms/bungee/LPBungeeBootstrap.java