/** Field name for site information in search results */
    public static final String SITE_FIELD = "site";

    /** Field name for URL-based search queries */
    public static final String INURL_FIELD = "inurl";

    /** Sort value for score-based sorting */
    protected static final String SCORE_SORT_VALUE = "score";

    /** Array of fields to be included in standard search response */
    protected String[] responseFields;