anchor.diff:                                              {line, ?LINE}, {body, Why}]),
                       {error, Why}
               end,
  -    {reply, Reply, State, ?DEF_TIMEOUT};
  +    {reply, Reply, State};
   
   %% handle_call(status, _From, #state{count = Count} = State) ->
   %%     {reply, {ok, Count}, State, ?DEF_TIMEOUT};
  
positive.code: handle_call(close, _From, #state{mq_properties = MQProps} = State) ->
      MQDBMessageId = MQProps#mq_properties.mqdb_id,
      ok = close_db(MQDBMessageId),
      {reply, ok, State, ?DEF_TIMEOUT};
  
  handle_call(stop, _From, State) ->
      {stop, shutdown, ok, State}.
  
  
  handle_cast(_Msg, State) ->
      {noreply, State, ?DEF_TIMEOUT}.
  
  
  %% @doc gen_server callback - Module:handle_info(Info, State) -> Result
  handle_info(timeout, State) ->
      {noreply, State, ?DEF_TIMEOUT};
  handle_info(_Info, State) ->
      {noreply, State, ?DEF_TIMEOUT}.
  
  
  %% @doc This function is called by a gen_server when it is about to
  
negative.code:                                             {line, ?LINE}, {body, Cause}]),
                      {error, Cause}
              end,
      {reply, Reply, State};
  
  handle_call({peek, N}, _From, #state{backend_db_id = BackendDbId} = State) ->
      Reply = case catch leo_backend_db_server:first_n(BackendDbId, N) of
  