private void enableExternalBrowserLinks() {
    if (myHrefProcessingRequestHandler != null) return;
    var hrefProcessingRequestHandler = new CefRequestHandlerAdapter() {
      @Override
      public boolean onBeforeBrowse(CefBrowser browser,
                                    CefFrame frame,
                                    CefRequest request,
                                    boolean user_gesture,
                                    boolean is_redirect) {
        if (user_gesture) {
          BrowserUtil.open(request.getURL());
          return true;
        }
        return false;
      }
    };
    this.myCefClient.addRequestHandler(hrefProcessingRequestHandler, myCefBrowser);
    myHrefProcessingRequestHandler = hrefProcessingRequestHandler;
  }
private void enableExternalBrowserLinks()