private boolean performSaveChestsCommand(CommandSender sender, String[] args) {
   if (sender.hasPermission("alphachest.save")) {
     int savedChests = chestManager.save(true);
     Teller.tell(sender, Type.Success, "Saved " + savedChests + " chests.");
   } else {
     Teller.tell(sender, Type.Error, "You're not allowed to use this command.");
   }
   return true;
 }