anchor.diff:  %-endif.
   -include_lib("riak_kv_vnode.hrl").
   -include_lib("riak_kv_js_pools.hrl").
  +-include("riak_kv_wm_raw.hrl").
   
   -behaviour(gen_fsm).
   -define(DEFAULT_OPTS, [{returnbody, false}, {update_last_modified, true}]).
  
positive.code:                _ ->
                    riak_object:get_update_metadata(RObj)
            end,
      NewMD = dict:store(<<"X-Riak-Tag">>, make_vtag(RObj),
                         dict:store(<<"X-Riak-Last-Modified">>, erlang:now(),
                                    MD0)),
      riak_object:apply_updates(riak_object:update_metadata(RObj, NewMD)).
  
  
negative.code: code_change(_OldVsn, StateName, State, _Extra) -> {ok, StateName, State}.
  
  %%
  %% Update X-Riak-VTag and X-Riak-Last-Modified in the object's metadata, if
  %% necessary.
  %%
  %% @private
  