public boolean setValue(String newValue, long newConfidence) {
            if (newConfidence > this.confidence) {
                setValueForced(newValue, newConfidence);
                return true;
            }
            return false;
        }
@return The default value for this field in case we do not know what this is.
analyzer/src/main/java/nl/basjes/parse/useragent/AgentField.java