// Default constructor
    }

    /**
     * Enable or disable incremental crawling.
     * When enabled, only new or modified documents are crawled.
     */
    @Size(max = 10)
    public String incrementalCrawling;

    /**
     * Number of days to keep crawled documents before cleanup.
     * Set to -1 to disable automatic cleanup.
     */
    @Required
    @Min(-1)
    @Max(1000)
    @ValidateTypeFailure

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.job;

import java.util.Map;
import java.util.Set;

/**
 * Strategy interface for formatting exported index documents.
 */
public interface IndexExportFormatter {

    /**
     * Returns the file extension for this format (e.g. ".html", ".json").
     *
     * @return the file extension including the leading dot
     */

        assertEquals("Exported 0 documents.", result);
    }

    @Test
    public void test_execute_queryAndFormatChaining() {
        setupMockComponents(Collections.emptyList());

        final String result = indexExportJob.query(QueryBuilders.matchAllQuery()).format("json").execute();

        assertEquals("Exported 0 documents.", result);
    }

     */
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer depth;

    /**
     * Maximum number of pages/documents to access during crawling.
     */
    @Min(value = 0)
    @Max(value = 9223372036854775807L)
    @ValidateTypeFailure
    public Long maxAccessCount;

<?xml version="1.0" encoding="UTF-8"?>
<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
  <ShortName>Fess</ShortName>
  <Description>Full Text Search for Your Documents.</Description>
  <Tags>Full Text Search</Tags>
  <Contact>******@****.***</Contact>
  <SearchForm>http://localhost:8080/fess/</SearchForm>
  <Url type="text/html" template="http://localhost:8080/fess/search?q={searchTerms}"/>
  <InputEncoding>UTF-8</InputEncoding>

import org.apache.lucene.search.Query;
import org.codelibs.fess.entity.QueryContext;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command for match all documents query.
 */
public class MatchAllQueryCommand extends QueryCommand {

    /**
     * Default constructor.
     */
    public MatchAllQueryCommand() {
        super();
    }

/**
 * FessCrawlerThread is a specialized crawler thread implementation for the Fess search engine.
 * This class extends the base CrawlerThread and provides Fess-specific functionality for
 * crawling and indexing documents, including incremental crawling capabilities, content
 * modification checking, and integration with the Fess search engine backend.
 *
 * <p>Key features include:</p>
 * <ul>

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.entity.DataStoreParams;
import org.codelibs.fess.util.ComponentUtil;

/**
 * Abstract base class for document ingesters that process and transform documents
 * before they are indexed. Ingesters can be used to modify document content,
 * extract additional metadata, or perform other transformations during the
 * indexing process.
 *

 * This form extends CreateForm to include fields necessary for updating existing label type entries,
 * including tracking information for optimistic locking and audit trails.
 * Label types are used to categorize and filter documents in search results.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {
        super();
    }

    /**

    }

    /**
     * Scrolls through all documents in the specified index and applies the callback function to each hit.
     *
     * @param index the name of the index to scroll through
     * @param callback the function to apply to each search hit, returning true to continue or false to stop
     * @return the number of documents processed
     */