@Override
      public void after(@NotNull List<? extends @NotNull VFileEvent> events) {
        MyUndoableAction action = SoftReference.dereference(lastAction);
        lastAction = null;
        if (action != null) {
          ApplicationManager.getApplication().invokeLater(() -> action.doAdd(action.added));
        }
      }
@Override
      public void after(@NotNull List<? extends @NotNull VFileEvent> events)