The serialized response body, as passed to res.send().
Value of the Content-Type response header (e.g. application/json; charset=utf-8).
Unix timestamp (ms) at which the entry expires, or null if it never expires.
The cache key — the full request path including query string (e.g. /users?page=1).
Milliseconds remaining until the entry expires. null if the entry has no TTL.
HTTP status code of the cached response (e.g. 200, 201).
A cache entry enriched with lookup metadata, returned by Memorize.get and Memorize.getAll.