private static Object2LongMap<String> getParsingModes(PsiBuilder b) {
    Object2LongMap<String> flags = b.getUserData(MODES_KEY);
    if (flags == null) b.putUserData(MODES_KEY, flags = new Object2LongOpenHashMap<>());
    return flags;
  }
private static Object2LongMap<String> getParsingModes(PsiBuilder b)