CreateCacheProvider creates a new CacheProvider with the specified memory and external caches.

NewExternalCache creates a new external cache based on the provided configuration.

CacheConfig represents configuration for any cache implementation.

CacheEntry represents a generic cache entry that can be used by any cache implementation.

CacheProvider manages the cache hierarchy.

ExternalCacheConfig represents configuration specific to external caches.

Cache defines the interface that all cache implementations must satisfy.

ExternalCacheType represents the type of external cache to use.