* @return a map containing the processed document data
     * @throws CrawlingAccessException if crawling fails or configuration is invalid
     * @throws ChildUrlsException if the URL redirects to another location
     * @throws CrawlerSystemException if data deserialization fails
     */
    public Map<String, Object> processRequest(final CrawlingConfig crawlingConfig, final String crawlingInfoId, final String url) {

    String QUERY_TIMEOUT_LOGGING = "query.timeout.logging";

    /** The key of the configuration. e.g. 10000 */
    String QUERY_TRACK_TOTAL_HITS = "query.track.total.hits";

    /** The key of the configuration. e.g. location */
    String QUERY_GEO_FIELDS = "query.geo.fields";

    /** The key of the configuration. e.g. browser_lang */
    String QUERY_BROWSER_LANG_PARAMETER_NAME = "query.browser.lang.parameter.name";

# Whether to enable logging for query timeouts.
query.timeout.logging=true
# Maximum number of total hits to track in queries.
query.track.total.hits=10000
# Fields used for geo search queries.
query.geo.fields=location
# Parameter name for browser language in queries.
query.browser.lang.parameter.name=browser_lang
# Whether to replace term with prefix query.
query.replace.term.with.prefix.query=true