public void markPossiblyUntracked(@NotNull Collection<? extends FilePath> files) {
    synchronized (LOCK) {
      if (myEverythingDirty) return;
      for (FilePath filePath : files) {
        if (myIgnoredFiles.containsExplicitly(filePath) ||
            !myIgnoredFiles.hasAncestor(filePath)) {
          myDirtyFiles.add(filePath);
        }
      }
    }
    scheduleUpdate();
  }
public void markPossiblyUntracked(@NotNull Collection<? extends FilePath> files)