See: Description
| Interface | Description | 
|---|---|
| HttpAsyncCacheInvalidator | Given a particular HTTP request / response pair, flush any cache entries
 that this exchange would invalidate. | 
| HttpAsyncCacheStorage | HttpAsyncCacheStorage represents an abstract HTTP cache
 storage backend that can then be plugged into the  asynchronous
 (non-blocking ) request execution
 pipeline. | 
| HttpCacheCASOperation | Atomic Compare-And-Swap (CAS) cache operation. | 
| HttpCacheEntrySerializer<T> | Serializer / deserializer for  HttpCacheStorageEntryentries. | 
| HttpCacheInvalidator | Given a particular HTTP request / response pair, flush any cache entries
 that this exchange would invalidate. | 
| HttpCacheStorage | HttpCacheStorage represents an abstract HTTP cache
 storage backend that can then be plugged into the classic
 (blocking) request execution pipeline. | 
| ResourceFactory | Generates  Resourceinstances for handling cached
 HTTP response bodies. | 
| Class | Description | 
|---|---|
| HeaderConstants | Records static constants for various HTTP header names. | 
| HttpAsyncCacheStorageAdaptor | HttpAsyncCacheStorageimplementation that emulates asynchronous
 behavior using an instance of classicHttpCacheStorage. | 
| HttpCacheContext | Adaptor class that provides convenience type safe setters and getters
 for caching  HttpContextattributes. | 
| HttpCacheEntry | Structure used to store an  HttpResponsein a cache. | 
| HttpCacheStorageEntry | This class contains a  HttpCacheEntryalong with its key. | 
| Resource | Represents a disposable system resource used for handling
 cached response bodies. | 
| Enum | Description | 
|---|---|
| CacheResponseStatus | This enumeration represents the various ways a response can be generated
 by the caching  HttpClient;
 if a request is executed with anHttpCacheContextthen a parameter with one of these values will be registered in the
 context under the keyHttpCacheContext.CACHE_RESPONSE_STATUS. | 
| Exception | Description | 
|---|---|
| HttpCacheUpdateException | Signals that  HttpCacheStorageencountered an error performing
 an update operation. | 
| ResourceIOException | Signals a generic resource I/O error. | 
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