anchor.diff:  
   maybe_finalize_delete(_StateData=#state{replied_notfound=NotFound,n=N,
                                           replied_r=RepliedR,
  -                                        waiting_for=Sent,req_id=ReqId,
  +                                        preflist2=Sent,req_id=ReqId,
                                           bkey=BKey}) ->
       IdealNodes = [{I,Node} || {{I,Node},primary} <- Sent],
       case length(IdealNodes) of
  
positive.code: 
  really_finalize(StateData=#state{allowmult = AllowMult,
                                   final_obj = FinalObj,
                                   waiting_for=Sent,
                                   replied_r=RepliedR,
                                   bkey=BKey,
                                   req_id=ReqId,
  
negative.code:                 num_r = 0,
                  num_notfound = 0,
                  num_fail = 0,
                  final_obj :: undefined | {ok, riak_object:riak_object()} |
                               tombstone | {error, notfound},
                  timeout :: pos_integer(),
  