anchor.diff:  
   cast_message(Name, Channel, ServerRef, Message, Options) ->
       (?MANAGER):cast_message(Name, Channel, ServerRef, Message, Options).
  +
  +
  +%% -----------------------------------------------------------------------------
  +%% @doc Forward message to registered process on the remote side.
  +%% @end
  +%% -----------------------------------------------------------------------------
  +-spec forward_message(remote_ref() | pid(), message()) -> ok.
  +
  +forward_message(PidOrRef, Message) ->
  +    (?MANAGER):forward_message(PidOrRef, Message).
   
   
   %% -----------------------------------------------------------------------------
  
positive.code: %% argument is the Node name.
  %% @end
  %% -----------------------------------------------------------------------------
  -spec on_up(atom() | node_spec() | any | '_', function()) ->
      ok | {error, not_implemented}.
  
  on_up(Node, Function) ->
  
negative.code: -export([decode/1]).
  -export([exchanges/0]).
  -export([exchanges/1]).
  -export([forward_message/2]).
  -export([forward_message/3]).
  -export([forward_message/4]).
  -export([forward_message/5]).
  