anchor.diff:  % rr_merkle_bucket_size     - size of merkle tree leaf buckets
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
  -%% @doc Checks wheter config parameter is float and in [0,1].
  +%% @doc Checks whether a config parameter is float and in [0,1].
   -spec check_percent(atom()) -> boolean().
   check_percent(Atom) ->
       config:cfg_is_float(Atom) andalso
  
positive.code: 
  -type db_entry_enc()   :: binary().
  -type db_chunk_enc()   :: [db_entry_enc()].
  -type db_entry()       :: {?RT:key(), db_dht:version()}.
  -type db_chunk()       :: [db_entry()].
  
  -record(bloom_recon_struct,
          {
  
negative.code:              end,
      rr_recon_stats:set([{tree_size, merkle_tree:size_detail(Tree)}], NStats).
  
  -spec art_get_sync_leafs(Nodes::NodeL, art:art(), Stats, Acc::NodeL) -> {ToSync::NodeL, Stats} when
      is_subtype(NodeL,   [merkle_tree:mt_node()]),
      is_subtype(Stats,  rr_recon_stats:stats()).
  art_get_sync_leafs([], _Art, Stats, ToSyncAcc) ->
      {ToSyncAcc, Stats};
  