return ipAddresses;
        }

        /**
         * Sets the list of IP addresses for IP change notifications.
         *
         * @param ipAddresses the list of new IP addresses available for the witness service
         */
        public void setIpAddresses(List<String> ipAddresses) {
            this.ipAddresses = ipAddresses;
        }
    }

        return def;
    }

    /**
     * Retrieve an array of <code>InetAddress</code> created from a property
     * value containting a <code>delim</code> separated list of hostnames and/or
     * ipaddresses.
     *
     * @param key the property key to look up
     * @param delim the delimiter used to separate addresses in the property value