public function cacheDirectivesAndExampleValues()
{
return [['public', true], ['private', true], ['private', 'X-Flow'], ['no-cache', true], ['no-cache', 'X-Flow'], ['max-age', 60], ['s-maxage', 120], ['must-revalidate', true], ['proxy-revalidate', true], ['no-store', true], ['no-transform', true], ['must-revalidate', true], ['proxy-revalidate', true]];
}