anchor.diff:  -export([start_link/0,
            query_state/1]).
   
  +%% Privete API
  +-export([srv_name/0,
  +         update/0]).
  +
   %% gen_server callbacks
   -export([init/1,
            handle_call/3,
  
positive.code:     end,
      {reply, Reply, State};
  
  handle_call(_, _, State) ->
      {reply, ok, State}.
  
  handle_cast(_, State) ->
  
negative.code:     table=none :: atom()
  }).
  
  -ignore_xref([{start_link, 0}]).
  
  %%====================================================================
  