Optional
Readonly
The number of seconds after an entry becomes stale before it should be removed from the cache. Default: 7 * 24 * 60 * 60 (7 days). If the cached entry has a stale-while-revalidate cache control directive, this will be ignored.
The number of seconds after an entry becomes stale before it should be removed from the cache. Default: 7 * 24 * 60 * 60 (7 days). If the cached entry has a stale-while-revalidate cache control directive, this will be ignored.