The duration to allow caching for, in seconds from the time of the response. This is ignored if canCache is false.
canCache
false - never cache true - can be cached, but not publicly "public" - CDNs, ISPs, proxies, etc. are allowed to cache the response, which is insecure
false
true
"public"
Optional
If true, the client must revalidate the cache against the server.
The duration to allow caching for, in seconds from the time of the response. This is ignored if
canCache
is false.