}

    /**
     * Gets the action hook for custom processing.
     *
     * @return the action hook
     */
    public ActionHook getActionHook() {
        return actionHook;
    }

    /**
     * Sets the action hook for custom processing.
     *
     * @param actionHook the action hook to set
     */
    public void setActionHook(final ActionHook actionHook) {

     */
    public void setUseGoogleOffOn(final boolean useGoogleOffOn) {
        this.useGoogleOffOn = useGoogleOffOn;
    }

    /**
     * Extracts thumbnail URL from the HTML document.
     * Looks for thumbnail meta tags, Open Graph images, and image tags.
     *
     * @param responseData the response data from crawling
     * @param document the parsed HTML document