code: public boolean toggleSwitchedOff() throws IOException {
      if(docLanguage == null) {
        docLanguage = getLanguage();
      }
      if (config == null) {
        config = new Configuration(configDir, configFile, docLanguage, linguServices);
      }
      switchOff = !switchOff;
      boolean ret = setMenuTextForSwitchOff(xContext);
      if(!ret) {
        switchOff = !switchOff;
      }
      langTool = null;
      config.setSwitchedOff(switchOff, docLanguage);
      return ret;
    }
docs: Toggle Switch Off / On of LT
  return true if toggle was done