@Override
        public void onLoadError(CefBrowser browser, CefFrame frame, ErrorCode errorCode, String errorText, String failedUrl) {
          myLoadHandler.handleAll(browser, handler -> {
            handler.onLoadError(browser, frame, errorCode, errorText, failedUrl);
          });
        }
@Override
        public void onLoadError(CefBrowser browser, CefFrame frame, ErrorCode errorCode, String errorText, String failedUrl)