DeleteExpiredKeys deletes all the expired keys - the active way Sampling approach: https://redis.io/commands/expire/.

DumpAllAOF dumps all keys in the store to the AOF file.

EvictAllkeysLRUOrLFU evicts keys based on LRU or LFU policy.

EvictionPool is a priority queue of PoolItem.

QueryWatchEvent represents a change in a watched key.