anchor.diff:      Result = case get(Id, Store) of
           {ok, {_, _, Metadata, _}} ->
               OurClock = orddict:fetch(clock, Metadata),
  -            riak_dt_vclock:descends(TheirClock, OurClock);
  +            lasp_vclock:descends(TheirClock, OurClock);
           {error, _Error} ->
               false
       end,
  
positive.code: %%% plumtree_broadcast_handler callbacks
  %%%===================================================================
  
  -type clock() :: riak_dt_vclock:vclock().
  
  -type broadcast_message() :: #broadcast{}.
  -type broadcast_id() :: id().
  
negative.code:                 {ok, Clock} ->
                      Clock;
                  _ ->
                      lasp_vclock:fresh()
              end,
  
              %% Merge the clocks.
              Merged = lasp_vclock:merge([TheirClock, OurClock]),
              orddict:store(clock, Merged, Metadata)
      end).
  
  