@class WLKSharedFileStorage; @interface WLKUpNextDeltaStore : NSObject { WLKSharedFileStorage *_fileStorage; } + (id)sharedInstance; - (id)init; - (void)read:(id /* block */)a0; - (void).cxx_destruct; - (void)delete:(id /* block */)a0; - (void)merge:(id)a0 completion:(id /* block */)a1; - (void)write:(id)a0 completion:(id /* block */)a1; @end