@command
    public void Null(CommandSender sender, String[] args) {
        if (sender.hasPermission("modreq.mods")) {
            sender.sendMessage(ModReq.format(ModReq.getInstance().Messages.getString("headers-footers.mods.header"), "", "",""));
            Player[] op = Bukkit.getOnlinePlayers();
            String online = "";
            for (int i = 0; i < op.length; i++) {
                if (op[i].hasPermission("modreq.check")) {
                    if (sender instanceof Player) {
                        if (((Player) sender).canSee(op[i])) {
                            if (i == 0) {
                                online = op[i].getDisplayName();
                            } else {
                                online = online + " " + op[i].getDisplayName();
                            }
                        }
                    } else {
                        if (i == 0) {
                            online = op[i].getDisplayName();
                        } else {
                            online = online + " " + op[i].getDisplayName();
                        }
                    }
                }
            }
            if (online.equals("")) {
                sender.sendMessage(ModReq.format(ModReq.getInstance().Messages.getString("error.nomods"), "", "",""));
                return;
            }
            sender.sendMessage(online);
        }
    }