public function setHorizontalBorderChar($horizontalBorderChar)
    {
        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.1, use setHorizontalBorderChars() instead.', __METHOD__), E_USER_DEPRECATED);

        return $this->setHorizontalBorderChars($horizontalBorderChar, $horizontalBorderChar);
    }