anchor.diff:      
       ;B =:= demonitor
       ;B =:= exit
  +    ;B =:= get_stacktrace
  +    ;B =:= group_leader
       ;B =:= is_process_alive
       ;B =:= make_ref
       ;B =:= monitor
  
positive.code:              recipient = Recipient,
               type = Type
              }) ->
     Patterns(Data) andalso message_could_match(Patterns, Data, Trapping, Type);
  
  dependent(#message_event{}, _EventB) ->
    false;
  
negative.code:       Pid =:= EPid;
      _ -> false
    end;
  dependent_process_info(#builtin_event{mfa = {_,_,[Pid, dictionary]}},
                         Other) ->
    case Other of
      #builtin_event{actor = EPid, mfa = {Module, Name, _}} ->
        Pid =:= EPid
          andalso
          case Module =:= erlang of
            true when Name =:= put; Name =:= erase ->
              true;
            _ -> false
          end;
      #exit_event{actor = EPid} ->
        Pid =:= EPid;
      _ -> false
    end;
  dependent_process_info(_Pinfo, _B) ->
    ?debug("UNSPECIFIED PINFO DEPENDENCY!\n~p\n", [{_Pinfo, _B}]),
    ?undefined_error,
  