@Override
        public boolean onContextMenuCommand(CefBrowser browser,
                                            CefFrame frame,
                                            CefContextMenuParams params,
                                            int commandId,
                                            int eventFlags) {
          return myContextMenuHandler.handleBooleanReturnAnyOf(browser, handler -> {
            return handler.onContextMenuCommand(browser, frame, params, commandId, eventFlags);
          });
        }
@Override
        public boolean onContextMenuCommand(CefBrowser browser,
                                            CefFrame frame,
                                            CefContextMenuParams params,
                                            int commandId,
                                            int eventFlags)