anchor.diff:              _ = ets:select_delete(Tid,[{{'_',{'$1',cached}},
                                           [{'=/=','$1',LevelInt}],
                                           [true]}]),
  +            ok = persistent_term:put({?MODULE,?PRIMARY_KEY}, LevelInt),
               ok;
           _ ->
               ok
  
positive.code:     ets:insert(Tid,{table_key(proxy),Config});
  create(Tid,What,Config) ->
      LevelInt = level_to_int(maps:get(level,Config)),
      ets:insert(Tid,{table_key(What),LevelInt,Config}).
  
  set(Tid,proxy,Config) ->
  
negative.code:             false
      end.
  
  allow(_Tid,Level) ->
      PrimaryLevelInt = persistent_term:get({?MODULE,?PRIMARY_KEY}, ?NOTICE),
      less_or_equal_level(Level,PrimaryLevelInt).
  
  less_or_equal_level(emergency,ModLevel) -> ?EMERGENCY =< ModLevel;
  