String value = getHandlerParameterMap().get("time_to_live");
        if (StringUtil.isBlank(value)) {
            value = getHandlerParameterMap().get("timeToLive"); // TODO remove
            if (StringUtil.isBlank(value)) {
                return null;
            }
            logger.warn("timeToLive is deprecated. Please use time_to_live.");
        }
        try {

        if (config != null) {
            final Integer timeToLive = config.getTimeToLive();
            if (timeToLive != null) {
                // timeToLive minutes
                final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                return new Date(now + timeToLive.longValue() * 1000 * 60);
            }
        }

    public static final String TIME_TO_LIVE_TIME_UNIT_PROPERTY = "timeToLiveTimeUnit";

    /** Property name for time to live setting */
    public static final String TIME_TO_LIVE_PROPERTY = "timeToLive";

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(HcHttpClient.class);

    /** Helper for processing robots.txt files */
    @Resource