anchor.diff:              {ok, PreviewPairs}=wrangler_backup_server:recover_backups(),
               wrangler_preview_server:add_files({PreviewPairs, ""}),
               Cmd;
  +        {ok, C} ->
  +            wrangler_io:format("Next refactoring command:\n~p\n", [C]),
  +            Cmd;
           _ ->
               Cmd
       end.
  
positive.code:    
  %%@private
  get_next_command(PrevResult) ->
      Cmd=wrangler_cmd_server:get_next_command(PrevResult),
      case Cmd of 
          {ok, none, _ChangedFiles, [error, _Reason]} ->
  
negative.code:     case apply(Module, composite_refac, [Args0]) of
          {error, Reason} ->
              {error, Reason};
          CR ->
              try start_cmd_server(CR)
              catch
                  E1:E2 ->
                      erlang:error({E1,E2})
  