@SuppressWarnings("MethodMayBeStatic")
  private void invalidateGist(@NotNull VirtualFile file) {
    file.putUserDataIfAbsent(GIST_INVALIDATION_COUNT_KEY, new AtomicInteger()).incrementAndGet();
  }
@SuppressWarnings("MethodMayBeStatic")
  private void invalidateGist(@NotNull VirtualFile file)