docs: public static Condition not(final Condition condition) {
      return new Condition("not " + condition.name, !condition.nullIsAllowed) {
        @Override
        public boolean apply(Driver driver, WebElement element) {
          return !condition.apply(driver, element);
        }
  
        @Override
        public String actualValue(Driver driver, WebElement element) {
          return condition.actualValue(driver, element);
        }
      };
    }