CacheExpiration class allows you define an expiration and / or limit on the number of responses stored in a
This plugin can be used in the Workbox API's to regularly enforce a limit on the age and / or the number of cached requests.
Whenever a cached request is used or updated, this plugin will look at the used Cache and remove any old or extra requests.
maxAgeSeconds, requests may be used once after expiring because the expiration clean up will not have occured until after the cached request has been used. If the request has a "Date" header,
then a light weight expiration check is performed and the request will not be used immediately.
maxEntries, the last request to be used will be the request that is removed from the Cache.