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

        assertNotNull(expires); // Returns documentExpires when config is null
        assertEquals(currentTime + 1000, expires.getTime());

        // Test when documentExpires is set but config is provided (but config has no timeToLive)
        crawlingInfoHelper.documentExpires = currentTime + 5000;

        // For this test, we'll focus on the documentExpires fallback logic