anchor.diff:  %% userdevguide-begin rt_frtchord:init_stabilize
   %% @doc Triggered by a new stabilization round, renews the routing table.
   %% TODO
  +-spec init_stabilize(nodelist:neighborhood(), rt()) -> rt().
   init_stabilize(Neighbors, _RT) -> empty(Neighbors).
   %% userdevguide-end rt_frtchord:init_stabilize
   
  
positive.code: %% userdevguide-begin rt_frtchord:export_rt_to_dht_node
  %% @doc Converts the internal RT to the external RT used by the dht_node.
  %% TODO
  export_rt_to_dht_node(RT, _Neighbors) -> RT.
  %% userdevguide-end rt_frtchord:export_rt_to_dht_node
  
  
negative.code: %% @doc Converts the (external) representation of the routing table to a list
  %%      in the order of the fingers, i.e. first=succ, second=shortest finger,
  %%      third=next longer finger,...
  -spec to_list(dht_node_state:state()) -> nodelist:snodelist().
  to_list(#rt_t{} = RT) ->
      SourceNode = get_source_node(RT),
      % sort
  