anchor.diff:      case intervals:is_empty(SyncI) of
           false ->
               RMethod =:= merkle_tree andalso fd:subscribe(DestRRPid),
  -            send_chunk_req(DhtPid, self(), SyncI, SenderI, get_max_items(RMethod)),
  +            send_chunk_req(DhtPid, self(), SyncI, SyncI, get_max_items(RMethod)),
               NewState;
           true when DestReconPid =/= undefined ->
               send(DestReconPid, {shutdown, empty_interval}),
  
positive.code: -spec build_recon_struct(Method, DB_Chunk) -> Recon_Struct when
        is_subtype(Method,       method()),
        is_subtype(DB_Chunk,     {intervals:interval(), db_chunk_enc()}),
        is_subtype(Recon_Struct, bloom_recon_struct() | merkle_tree:merkle_tree() | art:art()).
  build_recon_struct(bloom, {I, DBItems}) ->
      Fpr = get_bloom_fpr(),
      ElementNum = length(DBItems),
  
negative.code: -define(TRACE_SEND(Pid, Msg), ?TRACE("to ~.0p: ~.0p~n", [Pid, Msg])).
  -define(TRACE1(Msg, State),
          ?TRACE("~n  Msg: ~.0p~n"
                 "  State: method: ~.0p;  stage: ~.0p;  initiator: ~.0p~n"
                 "          destI: ~.0p~n"
                 "         params: ~.0p~n",
                 [Msg, State#rr_recon_state.method, State#rr_recon_state.stage,
  