public static final String LABELS_URL_EXPR = "{labels.urlExpr}";

    /** The key of the message: Boost Expression */
    public static final String LABELS_BOOST_EXPR = "{labels.boostExpr}";

    /** The key of the message: Confirm */
    public static final String LABELS_CONFIRM_PASSWORD = "{labels.confirmPassword}";

    /** The key of the message: Crawler */