code: private FirefoxOptions getDefaultFirefoxOptions() {
          FirefoxOptions options = new FirefoxOptions();
          options.setLogLevel(FirefoxDriverLogLevel.INFO);
          options.setHeadless(Boolean.parseBoolean(getLocalConfigProperty(ConfigProperty.BROWSER_RUN_HEADLESS)));
  
          return options;
      }
docs: /*
  Returns the default {@link FirefoxOptions} used by this capabilities builder.