@Override
  protected @Nullable IndexingStampInfo getIndexingStampInfo(@NotNull VirtualFile file) {
    if (file instanceof VirtualFileWithId fileWithId) {
      return indexingStampInfoStorage.readStampInfo(fileWithId.getId());
    }
    else {
      return null;
    }
  }
@Override
  protected @Nullable IndexingStampInfo getIndexingStampInfo(@NotNull VirtualFile file)