@TestOnly
  public void refreshAllCaches() throws IOException, VcsException {
    debug("Start refreshing all caches");
    final Collection<ChangesCacheFile> files = myCachesHolder.getAllCaches();
    debug(files.size() + " caches found");
    for(ChangesCacheFile file: files) {
      if (file.isEmpty()) {
        initCache(file);
      }
      else {
        refreshCache(file);
      }
    }
    debug("Finished refreshing all caches");
  }
@TestOnly
  public void refreshAllCaches()