@Override
    public String getPath() {
        return path;
    }

    @Override
    public byte[] getHashBytes() {
        return hash.toByteArray();
    }

    @Override
    public void enterDirectory(DirectorySnapshot physicalSnapshot) {
        this.path = physicalSnapshot.getAbsolutePath();
        this.name = physicalSnapshot.getName();
        this.hash = null;

        if (depth++ == 0) {

    @Override
    public void write(Encoder encoder, FileSystemSnapshot value) throws Exception {
        value.accept(new RootTrackingFileSystemSnapshotHierarchyVisitor() {
            @Override
            public void enterDirectory(DirectorySnapshot directorySnapshot, boolean isRoot) {
                try {
                    writeEntryType(encoder, EntryType.DIR_OPEN);
                    writePath(encoder, isRoot, directorySnapshot);