code: public List<FaceletTaglibFunctionType<FaceletTaglibType<T>>> getAllFunction()
     {
        List<FaceletTaglibFunctionType<FaceletTaglibType<T>>> list = new ArrayList<FaceletTaglibFunctionType<FaceletTaglibType<T>>>();
        List<Node> nodeList = childNode.get("function");
        for(Node node: nodeList)
        {
           FaceletTaglibFunctionType<FaceletTaglibType<T>>  type = new FaceletTaglibFunctionTypeImpl<FaceletTaglibType<T>>(this, "function", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>function</code> elements
  @return list of <code>function</code>