protected function getHeaderOptions($options)
    {
        $headerOptions = $options['header-options'];

        $inheritableOptions = $this->getInheritableOptions();

        foreach ($inheritableOptions as $inheritableOption) {
            $headerOptions[$inheritableOption] =
                isset($headerOptions[$inheritableOption])
                ? $headerOptions[$inheritableOption]
                : $options[$inheritableOption];
        }

        return $headerOptions;
    }