assertNotNull(addresses);
        assertTrue(addresses.length > 0);
        // IPv6 loopback can be represented as ::1 or 0:0:0:0:0:0:0:1
        String hostAddress = addresses[0].getHostAddress();
        assertTrue(hostAddress.contains(":"));
        assertTrue(hostAddress.equals("::1") || hostAddress.equals("0:0:0:0:0:0:0:1"));

        // Test IPv6 address with brackets
        host = "[2001:db8::1]";
        addresses = resolver.resolve(host);

        controller.setDelayMillisAfterProcessing(0L);

        final long start = System.nanoTime();
        controller.delayAfterProcessing();
        final long elapsed = (System.nanoTime() - start) / 1000000;

        assertTrue("No delay expected", elapsed < 50); // Should be nearly instant
    }

    /**
     * Test delayAfterProcessing with actual delay
     */

        final long elapsed1 = (System.nanoTime() - start1) / 1000000;
        assertTrue("First access should not delay", elapsed1 < 50);

        // Second access to same host - should delay
        q.setUrl("http://example.com/page2");
        final long start2 = System.nanoTime();
        controller.delayBeforeProcessing();
        final long elapsed2 = (System.nanoTime() - start2) / 1000000;

            return "[" + address + "]";
        }
        return address;
    }

    /**
     * Compresses an IPv6 address string to its canonical compressed form.
     * For example, "0:0:0:0:0:0:0:1" becomes "::1"
     *
     * @param ipv6Address the IPv6 address string to compress
     * @return the compressed IPv6 address string
     */
    protected static String compressIPv6(final String ipv6Address) {

     <magic priority="60">
        <match value="caff\000\000" type="string" offset="0" />
        <match value="caff\000\001" type="string" offset="0" />
        <match value="caff\000\002" type="string" offset="0" />
        <match value="caff\100\000" type="string" offset="0" />
        <match value="caff\200\000" type="string" offset="0" />
     </magic>
     <glob pattern="*.caf"/>
  </mime-type>

    /**
     * Max compression ratio.
     */
    protected long maxCompressionRatio = 100;

    /**
     * Max uncompression size.
     */
    protected long maxUncompressionSize = 1000000;

    /**
     * Initial buffer size.
     */
    protected int initialBufferSize = 10000;

    /**
     * If true, duplicated terms are replaced.
     */

```properties
# GSA API compatibility
web.api.gsa=true

# JSON API
web.api.json=true

# Search page size
page.search.default.size=20

# Crawler settings
crawler.document.max.size=10000000
crawler.web.protocols=http,https

# Authentication
security.remember_me.enabled=true
```

After editing `system.properties`, restart Fess.

---

## API Reference

### Search APIs

        // Valid date format
        assertTrue(sitemapsHelper.isValidDateFormat("2025-01-01"));
        assertTrue(sitemapsHelper.isValidDateFormat("2025-01-01T12:00:00+00:00"));
        assertTrue(sitemapsHelper.isValidDateFormat(null));
        assertTrue(sitemapsHelper.isValidDateFormat(""));

        // Invalid date format

	<component name="tikaExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.TikaExtractor">
		<property name="maxCompressionRatio">1</property>
		<property name="maxUncompressionSize">10000000</property>
	</component>
	<component name="msWordExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.MsWordExtractor" />
	<component name="msExcelExtractor"

     * labels.facet_filetype_title:labels.facet_filetype_html=filetype:html	labels.facet_filetype_word=filetype:word	labels.facet_filetype_excel=filetype:excel	lab...