protected int resultDocIdsCacheSize = 20;

    protected String cookieName = "fsid";

    protected String cookieDomain;

    protected int cookieMaxAge = 30 * 24 * 60 * 60;// 1 month

    protected String cookiePath = "/";

    protected Boolean cookieSecure;

    protected boolean httpOnly = true;

    public String getUserCode() {

    /** The key of the message: Past Month */
    public static final String LABELS_facet_timestamp_1month = "{labels.facet_timestamp_1month}";

    /** The key of the message: Past Year */
    public static final String LABELS_facet_timestamp_1year = "{labels.facet_timestamp_1year}";

    /** The key of the message: Past 3 Months */
    public static final String LABELS_facet_timestamp_3month = "{labels.facet_timestamp_3month}";

    /** The key of the configuration. e.g. labels.facet_timestamp_title:labels.facet_timestamp_1day=timestamp:[now/d-1d TO *]	labels.facet_timestamp_1week=timestamp:[now/d-7d TO *]	labels.facet_timestamp_1month=timestamp:[now/d-1M TO *]	labels.facet_timestamp_1year=timestamp:[now/d-1y TO *]<br>

 * of the code may not be readable by older versions of the code (e.g., a serialized Bloom filter
 * generated today may <i>not</i> be readable by a binary that was compiled 6 months ago).
 *
 * <p>As of Guava 23.0, this class is thread-safe and lock-free. It internally uses atomics and
 * compare-and-swap to ensure correctness when multiple threads are used to access it.
 *