anchor.diff:  
       %% Notify for sync join.
       SyncJoins = case lists:keyfind(NodeSpec, 1, SyncJoins0) of
  -        {NodeSpec, FromPid} ->
  -            case partisan:is_fully_connected(NodeSpec) of
  +        {PeerNodeSpec, FromPid} ->
  +            case partisan:is_fully_connected(PeerNodeSpec) of
                   true ->
                       gen_server:reply(FromPid, ok),
                       lists:keydelete(FromPid, 2, SyncJoins0);
  
positive.code: 
      {noreply, State};
  
  handle_info(connections, #state{} = State0) ->
      State1 = establish_connections(State0),
  
  
negative.code:             %% notify subscribers
              up(NodeSpec, State0),
  
              ok = case Membership == Membership0 of
                  true ->
                      ok;
                  false ->
                      partisan_peer_service_events:update(Membership)
              end,
  
  