Clear entire cache
Delete specific key from cache
Cache key
Check if key exists in cache (and is valid)
Cache key
Whether the key is present and unexpired
Set item in cache
Cache key
Value to cache
Optionalcollection: string
Collection name for version tracking
Check if collection should be refreshed
Collection name
Whether the cached collection version is stale
Get cache size
Number of in-memory entries
Version-based cache system for Warframe Market API v2 Uses version hashes from /v2/versions endpoint to invalidate cache Backs up to persistent storage using flat-cache