@Override public void clear() { storage.clear(); }
@Override public int size() { return storage.size(); }
@Override public Lock getLock() { return storage.getLock(); }
@Override public void unlock(E key) { storage.unlock(key); }
@Override public void lock(E key) { storage.lock(key); }
@Override public void save(E key, Object value) { storage.save(key, value); }
@Override public Object load(E key) { return storage.load(key); }