anchor.diff:  waiting_file_delete(_, _From, State) ->
       {reply, ok, waiting_file_delete, State}.
   
  +paused({Pid, done}, _From, State=#state{delete_fsm_pid=Pid,
  +                                        pause_state=waiting_file_delete}) ->
  +    UpdState = State#state{delete_fsm_pid=undefined,
  +                           pause_state=initiating_file_delete},
  +    {reply, ok, paused, UpdState};
   paused(status, _From, State) ->
       Reply = {ok, {paused, status_data(State)}},
       {reply, Reply, paused, State};
  
positive.code:          fetching_next_fileset/3,
           initiating_file_delete/2,
           initiating_file_delete/3,
           waiting_file_delete/3,
           paused/2,
           paused/3,
  
negative.code:                                                   delete_fsm_pid = Pid}};
  initiating_file_delete(_, State) ->
      {next_state, initiating_file_delete, State}.
  
  waiting_file_delete(_, State) ->
      {next_state, waiting_file_delete, State}.
  
  paused(_, State) ->
      {next_state, paused, State}.
  