NewFSStore returns a Store backed by the local filesystem.

NewHTTPStore returns a new instance of Store backed by a server that implements the following API: GET <address>/key => http.StatusOK with value in body PUT <address>/key => 200 <= code < 300 The "headers" entries are of the form <header>:<value>.

NewRedisStore returns a new instance of Store backed by a redis server.

Store is the interface that the CacheManager relies on to find the mapping between cacheID and layer name.

MockStore implements Client interface.