private final AbstractCrossProcessCacheAccess crossProcessCacheAccess;
    private final CacheAccessOperationsStack operations;

    private ManagedExecutor cacheUpdateExecutor;
    private ExclusiveCacheAccessingWorker cacheAccessWorker;
    private final Lock stateLock = new ReentrantLock(); // protects the following state
    private final Condition condition = stateLock.newCondition();

    private boolean open;