* Constructs a new Hc4HttpClient.
     */
    public Hc4HttpClient() {
        // Default constructor
    }

    /** Helper for processing robots.txt files */
    @Resource
    protected RobotsTxtHelper robotsTxtHelper;

    /** Helper for managing content length limits */
    @Resource
    protected ContentLengthHelper contentLengthHelper;

    /** Helper for determining MIME types */
    @Resource

     * Constructs a new Hc5HttpClient.
     */
    public Hc5HttpClient() {
        // Default constructor
    }

    /** Helper for processing robots.txt files */
    @Resource
    protected RobotsTxtHelper robotsTxtHelper;

    /** Helper for managing content length limits */
    @Resource
    protected ContentLengthHelper contentLengthHelper;

    /** Helper for determining MIME types */
    @Resource