anchor.diff:      Result = case get(Id, Store) of
           {ok, {Id, Type, Metadata, Value}} ->
               OurClock = orddict:fetch(clock, Metadata),
  -            case vclock:equal(TheirClock, OurClock) of
  +            case riak_dt_vclock:equal(TheirClock, OurClock) of
                   true ->
                       {ok, {Id, Type, Metadata, Value}};
                   false ->
  
positive.code:     Result = case get(Id, Store) of
          {ok, {_, _, Metadata, _}} ->
              OurClock = orddict:fetch(clock, Metadata),
              vclock:descends(TheirClock, OurClock);
          {error, _Error} ->
              false
      end,
  
negative.code: %% Broadcast record.
  -record(broadcast, {id :: id(),
                      type :: type(),
                      clock :: riak_dt_vclock:vclock(),
                      metadata :: metadata(),
                      value :: value()}).
  
  