@Override
    public void decode(byte[] buffer, int offset, int length) {
        super.decode(buffer, offset, length);
        
        if (length > getStandardLeaseSize()) {
            // Decode directory-specific data
            int dataOffset = offset + getStandardLeaseSize();
            
            int scopeOrdinal = readInt4(buffer, dataOffset);
            this.cacheScope = DirectoryCacheScope.values()[scopeOrdinal];

        this.notificationFilter = notificationFilter;
    }

    /**
     * Get the standard lease size for encoding/decoding
     * @return the standard lease context size
     */
    protected int getStandardLeaseSize() {
        // Standard lease V2 size: LeaseKey(16) + LeaseState(4) + Flags(4) + reserved fields
        return 32;
    }

    @Override
    public int size() {
        // Context header: 16 bytes