anchor.diff:      
       ;B =:= date
       ;B =:= demonitor
  -    ;B =:= erase
       ;B =:= exit
       ;B =:= get_stacktrace
       ;B =:= group_leader
  
positive.code:       end;
      _ -> false
    end;
  dependent_process_info(#builtin_event{mfargs = {_,_,[Pid, dictionary]}},
                         Other) ->
    case Other of
      #builtin_event{actor = EPid, mfargs = {Module, Name, _}} ->
        Pid =:= EPid
          andalso
          case Module =:= erlang of
            true when Name =:= put; Name =:= erase ->
              true;
            _ -> false
          end;
      _ -> false
    end;
  dependent_process_info(#builtin_event{mfargs = {_,_,[Pid, Msg]}},
                         Other)
    when Msg =:= messages; Msg =:= message_queue_len ->
  
negative.code: 
  dependent_exit(_Exit, {erlang, A, _})
    when
      A =:= exit;
      A =:= get_stacktrace;
      A =:= make_ref;
      A =:= process_flag;
      A =:= send_after;
      A =:= spawn;
      A =:= spawn_opt;
  