public String toString () {
        StringBuilder buff = new StringBuilder(128)
            .append(getName())
            .append("/")
            .append(version);

        for (String name : values.keySet()) {
            buff.append(" ")
            .append(name)
            .append("=")
            .append(getValuePossiblyQuote(name));
        }

        return buff.toString();
    }
This method returns the string representation of the
event and must return something that can be parsed
by the parse method.
vespalog/src/main/java/com/yahoo/log/event/Event.java