Retrieves cached claims by key.
The cache key.
The cached claims, or null/undefined if the entry does not exist or has expired.
Stores introspected access token claims in the cache.
The cache key (access token).
The introspected access token claims to cache.
The token's expiration time as a Unix epoch timestamp (seconds).
Cache adapter for storing access token introspection results.
Implement this interface to persist introspection results in an external store such as Redis, Memcached, or an in-memory cache.