anchor.diff:              {stop, Error}
       end.
   
  -handle_call(_Msg, _From, State) ->
  -    {reply, {error, invalid_call}, State}.
  +handle_call(Msg, _From, State) ->
  +    ?WARN("err=unexpected_call data=~p", [Msg]),
  +    {noreply, State}.
   
  -handle_cast(_Msg, State) ->
  -    io:format("realtime: recv'd ~p~n", [_Msg]),
  +handle_cast(Msg, State) ->
  +    ?WARN("err=unexpected_cast data=~p", [Msg]),
       {noreply, State}.
   
   handle_info(flush, #state{instance_name=undefined}=State) ->
  
positive.code:     end),
      {noreply, State};
  
  handle_info(_Info, State) ->
      {noreply, State}.
  
  terminate(_Reason, _State) ->
  
negative.code:                 opts,
                  conn}).
  
  -include("logplex.hrl").
  -include("logplex_logging.hrl").
  
  %% API functions
  start_link(Opts) ->
  