code: public List<Permission<Permissions<T>>> getAllPermission()
     {
        List<Permission<Permissions<T>>> list = new ArrayList<Permission<Permissions<T>>>();
        List<Node> nodeList = childNode.get("permission");
        for(Node node: nodeList)
        {
           Permission<Permissions<T>>  type = new PermissionImpl<Permissions<T>>(this, "permission", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>permission</code> elements
  @return list of <code>permission</code>