*
     * @return interface index
     */
    public int getInterfaceIndex() {
        return interfaceIndex;
    }

    /**
     * Set the interface index
     *
     * @param interfaceIndex interface index
     */
    public void setInterfaceIndex(int interfaceIndex) {
        this.interfaceIndex = interfaceIndex;
    }

    /**
     * Get interface capabilities
     *
     * @return capability flags

    
    public byte[] encode() {
        // Encode for FSCTL_QUERY_NETWORK_INTERFACE_INFO response
        byte[] buffer = new byte[152];  // Fixed size structure
        
        // InterfaceIndex (4 bytes)
        writeInt4(buffer, 0, interfaceIndex);
        
        // Capability (4 bytes)
        writeInt4(buffer, 4, capability);
        
        // Reserved (4 bytes)
        writeInt4(buffer, 8, 0);
        

      Inet6Address v6Address = (Inet6Address) address;
      int interfaceIndex = tryParseDecimal(scope, 0, scope.length());
      if (interfaceIndex != -1) {
        return Inet6Address.getByAddress(
            v6Address.getHostAddress(), v6Address.getAddress(), interfaceIndex);
      }
      try {
        NetworkInterface asInterface = NetworkInterface.getByName(scope);