@Override
    public Optional<UUID> lookupUniqueId(String username) {
        if (getProxy().getPluginManager().getPlugin("RedisBungee") != null) {
            try {
                return RedisBungeeUtil.lookupUuid(username);
            } 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