try {
            List<String> configIds = Arrays.asList("id1", "id2");
            dataIndexHelper.crawl("test-session", configIds);
            assertTrue("Should complete quickly with empty results", true);
        } catch (Exception e) {
            assertTrue("Exception handling should be fast", true);
        }
    }

    @Test
    public void test_setCrawlingExecutionInterval() {

import org.codelibs.fess.opensearch.config.exentity.BadWord;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.bhv.readable.EntityRowHandler;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import com.orangesignal.csv.CsvConfig;
import com.orangesignal.csv.CsvReader;
import com.orangesignal.csv.CsvWriter;

import jakarta.annotation.Resource;

import org.codelibs.fess.opensearch.user.cbean.UserCB;
import org.codelibs.fess.opensearch.user.exbhv.UserBhv;
import org.codelibs.fess.opensearch.user.exentity.User;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing user operations in the Fess search system.

import org.codelibs.fess.opensearch.config.exentity.WebConfig;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.bhv.readable.CBCall;
import org.dbflute.cbean.result.ListResultBean;
import org.dbflute.optional.OptionalEntity;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import org.opensearch.index.query.QueryBuilder;

     * Helper: Create a web crawler config
     */
    private static void createWebConfig() {
        final Map<String, Object> requestBody = new HashMap<>();
        // Keep original external URL for stable test results
        final String urls = "https://www.codelibs.org/";
        final String includedUrls = "https://www.codelibs.org/.*";
        requestBody.put("name", NAME_PREFIX + "WebConfig");
        requestBody.put("urls", urls);

        session.addUserMessage("User 2");
        session.addAssistantMessage("Assistant 2");

        // maxMessages=1 starts at index 3 (Assistant 2) -> go back to index 2 (User 2)
        // Result should keep the last user/assistant pair
        session.trimHistory(1);

        final List<ChatMessage> messages = session.getMessages();
        assertEquals(2, messages.size());

        generator.setCommandList(Collections.singletonList("echo test"));
        try {
            final boolean result = generator.generate("test_id", outputFile);
            // Should return false for invalid parent directory
            assertFalse(result);
        } catch (final Exception e) {
            assertTrue(true);
        }
    }

    // Test command list scenarios
    @Test

2. Validates against `supported.languages` list
3. Creates language-specific fields (e.g., `content_ja`, `title_en`, `content_sv`)
4. Applies language-specific analyzers for better search results

Configured in `fess_config.properties`:
```properties
indexer.language.fields=content,important_content,title
```

## Optional: Search Analysis Support

origin","overflow","paint-order","path","pathlength","patterncontentunits","patterntransform","patternunits","points","preservealpha","preserveaspectratio","primitiveunits","r","rx","ry","radius","refx","refy","repeatcount","repeatdur","restart","result","rotate","scale","seed","shape-rendering","slope","specularconstant","specularexponent","spreadmethod","startoffset","stddeviation","stitchtiles","stop-color","stop-opacity","stroke-dasharray","stroke-dashoffset","stroke-linecap","stroke-linejoi...

      negligent acts) or agreed to in writing, shall any Contributor be
      liable to You for damages, including any direct, indirect, special,
      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all