public boolean accept(final VirtualFile vf) {
      final String url = vf.getUrl();
      for (String excludedByOtherVcs : myExcludedByOthers) {
        // use the fact that they are sorted
        if (url.length() > excludedByOtherVcs.length()) return true;
        if (url.startsWith(excludedByOtherVcs)) return false;
      }
      return true;
    }
public boolean accept(final VirtualFile vf)