anchor.diff:  -export([get_broker/1]).
   -export([get_dealer/1]).
   
  +
  +-export([enable_metaevents/1]).
  +-export([disable_metaevents/1]).
  +
   %% gen_server
   -export([init/1]).
   -export([handle_call/3]).
  
positive.code:               _ -> TRef
              end,
    {reply,ok,State#state{timer_ref=NewTRef}};
  handle_call(_, _, #state{going_down=true} = State) ->
    {reply,{error,going_down},State};
  handle_call({connect,Session}, {Pid, _Ref}, #state{con_ets=Ets, realm_name=Realm} = State) ->
  
negative.code:   ok;
  disconnect(Pid) ->
    gen_server:call(Pid, disconnect ).
  
  
  -spec enable_metaevents( pid() ) -> ok.
  enable_metaevents( Pid ) ->
    gen_server:call(Pid,enable_metaevents).
  
  -spec disable_metaevents( pid() ) -> ok.
  disable_metaevents( Pid ) ->
    gen_server:call(Pid,disable_metaevents).
  
  -spec shutdown(pid()) -> ok | {error,going_down}.
  shutdown(Pid) ->
  