long delay4 = policy.getDelayMs(4);
        long delay10 = policy.getDelayMs(10);

        // Then
        assertEquals(1000, delay1);
        assertEquals(2000, delay2);
        assertEquals(4000, delay3);
        assertEquals(5000, delay4); // Capped at max
        assertEquals(5000, delay10); // Still capped
    }

    @Test
    @DisplayName("Should handle non-exponential backoff")

            // Large buffer
            byte[] largeBuffer = new byte[10000];
            written = echoRequest.writeBytesWireFormat(largeBuffer, 5000);
            assertEquals(4, written);
            assertEquals(4, SMBUtil.readInt2(largeBuffer, 5000));
        }

        @Test
        @DisplayName("Should maintain thread safety")
        void testThreadSafety() throws InterruptedException {

            long startTime = System.currentTimeMillis();
            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }

            long startTime = System.currentTimeMillis();
            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }

            });
            readThreads[i].start();
        }

        // Wait for all threads
        for (Thread thread : updateThreads) {
            thread.join(5000);
        }
        for (Thread thread : readThreads) {
            thread.join(5000);
        }

        // Verify final state
        assertEquals(100, entry.getChildren().size());
        assertTrue(entry.hasChanges());
    }

```java
// Configure politeness policy
container.singleton("intervalController", DefaultIntervalController.class, controller -> {
    controller.setDelayMillisForWaitingNewUrl(5000);
    controller.setDefaultIntervalTime(1000);
});
```

### Sitemap Support

```java
// Enable sitemap processing
container.singleton("sitemapsRule", SitemapsRule.class, rule -> {
    rule.addRule("url", ".*sitemap.*");

        @DisplayName("Test override timeout property")
        void testOverrideTimeoutProperty() {
            assertNull(testBlock.getOverrideTimeout());
            testBlock.setOverrideTimeout(5000);
            assertEquals(5000, testBlock.getOverrideTimeout());
        }

        @Test
        @DisplayName("Test digest property")
        void testDigestProperty() {
            testBlock.setDigest(mockDigest);

            SMBUtil.writeInt4(1000, buffer, 4);
            SMBUtil.writeInt4(500, buffer, 8);
            SMBUtil.writeInt4(0, buffer, 12);
            SMBUtil.writeInt4(0, buffer, 16);

            int bytesRead = response.readBytesWireFormat(buffer, 0);

            assertEquals(16, bytesRead);
            assertEquals(1000, response.getCount());
            assertEquals(500, response.getRemaining());
        }

        when(request.allowChain(nextRequest)).thenReturn(true);
        when(request.createCancel()).thenReturn(nextRequest);
        when(request.size()).thenReturn(1024);
        when(request.getOverrideTimeout()).thenReturn(5000);

        // When & Then
        assertTrue(request.isResponseAsync());
        assertEquals(nextRequest, request.getNext());
        assertEquals(nextRequest, request.split());

    // Polling and backoff constants (in ms)
    private static final long MAX_POLL_INTERVAL = 5000; // Normal polling: max 5 seconds
    private static final long MAX_ERROR_BACKOFF = 30000; // Error polling: max 30 seconds
    private static final long BASE_POLL_INTERVAL = 1000;
    private static final long BASE_ERROR_DELAY = 1000;
    private static final int MAX_FAILURE_LIMIT = 5; // Limit failures for backoff calculation