import org.codelibs.fess.util.ComponentUtil;

/**
 * Interface for transforming and processing crawled documents in Fess.
 * Provides utility methods for URL processing, site extraction, data mapping,
 * and field configuration handling during the document transformation process.
 */
public interface FessTransformer {

    /**
     * Synchronized LRU cache for storing parent URL encodings.

2. **Disclose significant AI involvement.** If AI tools played a major role in producing your contribution, say so in the description. We are not interested in incidental use, such as asking a chatbot for advice or accepting an autocomplete suggestion—but rather in cases where a tool generated substantial portions of the work. Disclosure will not reduce the likelihood of your PR or issue being accepted; we ask because information about...

        generator = new TestThumbnailGenerator();
        Map<String, Object> docMap = new HashMap<>();

        // Note: isTarget requires FessConfig which needs container
        // We can only verify the method handles missing container gracefully
        try {
            generator.isTarget(docMap);
        } catch (IllegalStateException e) {
            // Expected when container is not initialized

- `start` - Starting offset (default: 0)
- `fields.label` - Label filter
- `lang` - Language preference

**Example**:
```bash
# Using the recommended endpoint
curl "http://localhost:8080/api/v1/documents?q=search&num=10"

# Or using the legacy endpoint
curl "http://localhost:8080/json/?q=search&num=10"
```

**Response**:
```json
{
  "response": {
    "version": 1,

     */
    public static PopularWordHelper getPopularWordHelper() {
        return getComponent(POPULAR_WORD_HELPER);
    }

    /**
     * Gets the path mapping helper component.
     * @return The path mapping helper.
     */
    public static PathMappingHelper getPathMappingHelper() {
        return getComponent(PATH_MAPPING_HELPER);
    }

    /**

                requestData.setUrl(replaceDuplicateHost(url));
            }
        }
        return urlList;
    }

    /**
     * Gets the path mapping helper for URL transformations.
     *
     * @return the path mapping helper instance
     */
    protected PathMappingHelper getPathMappingHelper() {
        return ComponentUtil.getPathMappingHelper();
    }

    /**

import org.opensearch.search.aggregations.bucket.filter.FilterAggregationBuilder;
import org.opensearch.search.aggregations.bucket.global.GlobalAggregationBuilder;
import org.opensearch.search.aggregations.bucket.missing.MissingAggregationBuilder;
import org.opensearch.search.aggregations.bucket.range.IpRangeAggregationBuilder;
import org.opensearch.search.aggregations.bucket.sampler.SamplerAggregationBuilder;

        // For now, we test that the method signature is correct and can be called

        AtomicInteger callbackCount = new AtomicInteger(0);

        try {
            // This will likely fail due to missing SearchEngineClient setup,
            // but we can verify the method signature and basic functionality
            SearchEngineUtil.scroll("test_index", hit -> {
                callbackCount.incrementAndGet();

        assertNull(ssoManager.getResponse(SsoResponseType.LOGOUT));
        assertNull(ssoManager.logout(FessUserBean.empty()));
    }

    // Test backward compatibility: aad -> entraid mapping
    @Test
    public void test_getAuthenticator_aadMapsToEntraid() {
        // Register an authenticator with the new "entraid" name
        ComponentUtil.register(testAuthenticator, "entraidAuthenticator");

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