## Uses of Interface
org.apache.http.client.cache.HttpCacheUpdateCallback

- Packages that use HttpCacheUpdateCallback
  Package | Description
  --- | ---
  org.apache.http.client.cache | This package consists largely of constants and interfaces that are necessary for building new storage backends for the `CachingHttpClient` or for those clients wanting to get a little more behavioral information out of the cache module (for example, whether a particular response was a cache hit or not).
  org.apache.http.impl.client.cache | This package contains a cache module that can be used for HTTP/1.1 client-side caching.
  org.apache.http.impl.client.cache.ehcache | This package contains a storage backend based on Ehcache that can be plugged into a `CachingHttpClient` and used for storing cache entries.
  org.apache.http.impl.client.cache.memcached | This package contains a storage backend based on memcached that can be plugged into a `CachingHttpClient` and used for storing cache entries.

- - ### Uses of HttpCacheUpdateCallback in org.apache.http.client.cache

    Methods in org.apache.http.client.cache with parameters of type HttpCacheUpdateCallback
    Modifier and Type | Method and Description
    --- | ---
    `void` | HttpCacheStorage.`updateEntry(String key, HttpCacheUpdateCallback callback)` Atomically applies the given callback to update an existing cache entry under a given key.

  - ### Uses of HttpCacheUpdateCallback in org.apache.http.impl.client.cache

    Methods in org.apache.http.impl.client.cache with parameters of type HttpCacheUpdateCallback
    Modifier and Type | Method and Description
    --- | ---
    `void` | BasicHttpCacheStorage.`updateEntry(String url, HttpCacheUpdateCallback callback)`
    `void` | ManagedHttpCacheStorage.`updateEntry(String url, HttpCacheUpdateCallback callback)`

  - ### Uses of HttpCacheUpdateCallback in org.apache.http.impl.client.cache.ehcache

    Methods in org.apache.http.impl.client.cache.ehcache with parameters of type HttpCacheUpdateCallback
    Modifier and Type | Method and Description
    --- | ---
    `void` | EhcacheHttpCacheStorage.`updateEntry(String key, HttpCacheUpdateCallback callback)`

  - ### Uses of HttpCacheUpdateCallback in org.apache.http.impl.client.cache.memcached

    Methods in org.apache.http.impl.client.cache.memcached with parameters of type HttpCacheUpdateCallback
    Modifier and Type | Method and Description
    --- | ---
    `void` | MemcachedHttpCacheStorage.`updateEntry(String url, HttpCacheUpdateCallback callback)`

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