code: def get_executor_taboo():
      """
      Returns a set of executor meta variables
      :return: set of executor meta variables
      """
      taboo = {
          "self",
          "args",
          "kwargs",
          "metas",
          "requests",
          "runtime_args",
          "dynamic_batching",
      }
      _defaults = get_default_metas()
      taboo.update(_defaults.keys())
      return taboo
  
label_desc: Use image node_id 2 for calling a global function with example usage: get_executor_taboo() and returns: taboo