@Override
    public void close() {
        LOGGER.debug("Closing VFS, dropping state");
        updateRootUnderLock(currentRoot -> {
            closeUnderLock();
            return currentRoot.empty();
        });
    }

    private void closeUnderLock() {
        if (watchRegistry != null) {
            try {
                watchRegistry.close();
            } catch (IOException ex) {