GsaConfigParser parser = new GsaConfigParser();
        String xmlWithUserAgent = "<?xml version=\"1.0\"?>" + "<eef><config><globalparams>" + "<user_agent>custom-agent</user_agent>"
                + "<start_urls>https://example.com</start_urls>" + "</globalparams></config></eef>";

        parser.parse(new InputSource(new StringReader(xmlWithUserAgent)));

        parser.getWebConfig().ifPresent(config -> {

        if (logger.isDebugEnabled()) {
            logger.debug("Start element: name={}", qName);
        }
        if (tagQueue.isEmpty() && !"eef".equalsIgnoreCase(qName)) {
            throw new GsaConfigException("Invalid GSA configuration format. Root element must be 'eef', but found: " + qName);
        }
        if (COLLECTION.equalsIgnoreCase(qName) && COLLECTIONS.equalsIgnoreCase(tagQueue.peekLast())) {