anchor.diff:      set_error_logger_handler(),
   
       {ok, State2}.
  +
  +handle_call(get_state, _From, State) ->
  +    {reply, State, State};
   
   handle_call({start_sink, Name, Type, Module, Args}, _From, State) ->
       RV = do_start_sink(Name, Type, Module, Args, State),
  
positive.code: sync(LoggerName) ->
      call_logger_impl(LoggerName, sync, []).
  
  %% Callbacks
  init([]) ->
      State = #state{sinks=dict:new(),
  
negative.code:          sync_sink/1,
           sync_all_sinks/0,
  
           capture_logging_diagnostics/0,
  
           %% counterparts of pseudo-functions handled by ale_transform
           get_effective_loglevel/1, is_loglevel_enabled/2, sync/1,
  
  