code: public List<ServletType<WebFragmentDescriptor>> getAllServlet()
     {
        List<ServletType<WebFragmentDescriptor>> list = new ArrayList<ServletType<WebFragmentDescriptor>>();
        List<Node> nodeList = model.get("servlet");
        for(Node node: nodeList)
        {
           ServletType<WebFragmentDescriptor>  type = new ServletTypeImpl<WebFragmentDescriptor>(this, "servlet", model, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>servlet</code> elements
  @return list of <code>servlet</code>