anchor.diff:  %% @doc Send a  node change update message to this module inside the dht_node.
   %%      Will be registered with the dht_node as a node change subscriber.
   %% @see dht_node_state:add_nc_subscr/3
  --spec send_node_change(Pid::comm:erl_local_pid(),
  +-spec rm_send_node_change(Pid::comm:erl_local_pid(),
                          OldNeighbors::nodelist:neighborhood(),
                          NewNeighbors::nodelist:neighborhood()) -> ok.
  -send_node_change(Pid, _OldNeighbors, NewNeighbors) ->
  +rm_send_node_change(Pid, _OldNeighbors, NewNeighbors) ->
       NewNode = nodelist:node(NewNeighbors),
       comm:send_local(Pid, {move, node_update, NewNode}).
   
  
positive.code: 
  -export([process_move_msg/2,
           can_slide_succ/3, can_slide_pred/3,
           rm_pred_changed/2, rm_notify_new_pred/3,
           make_slide/5,
           make_slide_leave/1, make_jump/4,
           check_config/0]).
  
negative.code:              slide_op:get_phase(SlideOp) =:= wait_for_node_update of
          true ->
              rm_loop:unsubscribe(self(), fun rm_loop:subscribe_node_change_filter/2,
                                  fun dht_node_move:rm_send_node_change/3),
              TargetId = slide_op:get_target_id(SlideOp),
              case node:id(NewNode) =:= TargetId of
                  true ->
  