@Override
        public boolean onOpenURLFromTab(CefBrowser browser, CefFrame frame, String target_url, boolean user_gesture) {
          return myRequestHandler.handleBooleanReturnAnyOf(browser, handler -> {
            return handler.onOpenURLFromTab(browser, frame, target_url, user_gesture);
          });
        }
@Override
        public boolean onOpenURLFromTab(CefBrowser browser, CefFrame frame, String target_url, boolean user_gesture)