@Override
        public void onLoadingStateChange(CefBrowser browser, boolean isLoading, boolean canGoBack, boolean canGoForward) {
          myLoadHandler.handleAll(browser, handler -> {
            handler.onLoadingStateChange(browser, isLoading, canGoBack, canGoForward);
          });
        }
@Override
        public void onLoadingStateChange(CefBrowser browser, boolean isLoading, boolean canGoBack, boolean canGoForward)