public function addAttribute(string $name, string $value, $overwrite = false): FieldTypeInterface
    {
        if (isset($this->options['attributes'][$name]) && ! $overwrite) {
            $this->options['attributes'][$name] .= ' '.$value;
        } else {
            $this->options['attributes'][$name] = $value;
        }

        return $this;
    }