@Override
    public List<String> getPossibleOutput() {
        List<String> result = new ArrayList<>();

        // First the standard fields in the standard order, then the non-standard fields alphabetically
        final UserAgentAnalyzerBuilder builder = UserAgentAnalyzer.newBuilder().dropTests().withoutCache();
        extraResources.forEach(builder::addResources);

        allPossibleFieldNames = builder.build().getAllPossibleFieldNamesSorted();
        for (String fieldName : allPossibleFieldNames) {
            ensureMappingsExistForFieldName(fieldName);
            result.add(getFieldOutputType(fieldName) + ":" + fieldNameToDissectionName(fieldName));
        }

        return result;
    }
@param rawParameter For this dissector it is a '|' separated list of resource paths.
udfs/logparser/src/main/java/nl/basjes/parse/useragent/dissector/UserAgentDissector.java