private static boolean hasNonInvertedCalls(RefMethod refMethod) {
    final Boolean alwaysInverted = refMethod.getUserData(ALWAYS_INVERTED);
    if (alwaysInverted != Boolean.TRUE) return true;
    if (refMethod.isExternalOverride()) return true;
    for (RefMethod superMethod : refMethod.getSuperMethods()) {
      if (hasNonInvertedCalls(superMethod)) return true;
    }
    return false;
  }
private static boolean hasNonInvertedCalls(RefMethod refMethod)