return flags;
        }

        /**
         * Checks if this is an IPv4 address.
         *
         * @return true if IPv4
         */
        public boolean isIPv4() {
            return (flags & IPV4) != 0;
        }

        /**
         * Checks if this is an IPv6 address.
         *
         * @return true if IPv6
         */

        }
        
        public InetAddress getAddress() { return address; }
        public int getFlags() { return flags; }
        public boolean isIPv4() { return (flags & IPV4) != 0; }
        public boolean isIPv6() { return (flags & IPV6) != 0; }
    }
    
    public void addNewIPAddress(InetAddress address) {