}

    /**
     * Get the number of currently blocked IPs.
     * Note: This may include expired entries not yet evicted.
     * @return the count of blocked IPs
     */
    public int getBlockedIpCount() {
        blockedIps.cleanUp();
        return (int) blockedIps.size();
    }

    /**
     * Get the number of tracked IP counters.
     * Note: This may include expired entries not yet evicted.

        assertEquals(1, rateLimitHelper.getBlockedIpCount());

        rateLimitHelper.unblockIp("192.168.1.100");
        assertEquals(0, rateLimitHelper.getBlockedIpCount());
    }

    @Test
    public void test_cleanup() {
        rateLimitHelper.blockIp("192.168.1.100", 1L);
        assertEquals(1, rateLimitHelper.getBlockedIpCount());

        // Guava Cache handles expiration automatically