@Override
 public boolean playerRemoveGroup(String world, String player, String group) {
   return perms.getXplayer().setGroup(player, "def");
 }
 @Override
 public boolean playerRemove(String world, String player, String permission) {
   return perms.getXplayer().removePermission(player, permission);
 }
 @Override
 public boolean playerAddGroup(String world, String player, String group) {
   return perms.getXplayer().setGroup(player, group);
 }
 @Override
 public boolean playerAdd(String world, String player, String permission) {
   return perms.getXplayer().addPermission(player, permission);
 }