@Override
        public boolean onJSDialog(CefBrowser browser,
                                  String origin_url,
                                  JSDialogType dialog_type,
                                  String message_text,
                                  String default_prompt_text,
                                  CefJSDialogCallback callback,
                                  BoolRef suppress_message) {
          return myJSDialogHandler.handleBooleanFirst(browser, handler -> {
            return handler.onJSDialog(browser, origin_url, dialog_type, message_text, default_prompt_text, callback, suppress_message);
          });
        }
@Override
        public boolean onJSDialog(CefBrowser browser,
                                  String origin_url,
                                  JSDialogType dialog_type,
                                  String message_text,
                                  String default_prompt_text,
                                  CefJSDialogCallback callback,
                                  BoolRef suppress_message)