| CacheKeyFactory | Factory methods for creating cache keys for the pipeline. |
| CountingMemoryCache.CacheTrimStrategy | Interface used to specify the trimming strategy for the cache. |
| CountingMemoryCache.EntryStateObserver<K> | Interface used to observe the state changes of an entry. |
| ImageCacheStatsTracker | Interface for stats tracking for the image cache. |
| MemoryCache<K, V> | Interface for the image pipeline memory cache. |
| MemoryCacheTracker |
| BitmapMemoryCacheKey | Cache key for BitmapMemoryCache |
| CountingMemoryCache<K, V> | Layer of memory cache stack responsible for managing eviction of the the cached items. |
| DefaultCacheKeyFactory | Default implementation of CacheKeyFactory. |
| MemoryCacheParams | Configuration for a memory cache. |