@Deprecated
  public boolean deleteCookies(boolean doSync) {
    if (doSync) {
      return deleteCookies(null, null, (timeout) -> getCookies(null, false, timeout).isEmpty(), null);
    }
    else {
      return myCefCookieManager.deleteCookies("", "");
    }
  }
@Deprecated
  public boolean deleteCookies(boolean doSync)