anchor.diff:  %% sync API
   -export([sync_register/3, sync_unregister/1]).
   -export([sync_get_local_registry_tuples/1]).
  +-export([unregister_on_node/1]).
   
   %% gen_server callbacks
   -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
  
positive.code:             end
      end.
  
  
  sync_registry_tuples(RemoteNode, RegistryTuples) ->
      %% ensure that registry doesn't have any joining node's entries (here again for race conditions)
      purge_registry_entries_for_remote_node(RemoteNode),
  
negative.code:                     "Syn(~p): Conflicting name process found for: ~p, processes are ~p, ~p~n",
                      [node(), Name, Entry#syn_registry_table.pid, RemotePid]
                  ),
                  %% unregister local
                  unregister_on_node(Name),
                  %% unregister remote
                  ok = rpc:call(RemoteNode, syn_registry, unregister_on_node, [Name]),
  
                  %% TODO: call conflict resolution fun, for now kill the remote one
                  exit(RemotePid, kill),
  
                  %% register local
                  register_on_node(Name, Entry#syn_registry_table.pid, Entry#syn_registry_table.meta)
          end
      end,
      %% add to table
  