import org.codelibs.core.misc.Base64Util;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.opensearch.core.xcontent.ToXContent;
import org.opensearch.core.xcontent.XContentBuilder;

/**
 * OpenSearchAccessResultData is an implementation of {@link AccessResultData} for OpenSearch.
 */
public class OpenSearchAccessResultData extends AccessResultDataImpl<String> implements ToXContent {

    /**

FESS_LOG_PATH=${packaging.fess.log.dir}
FESS_CONF_PATH=${packaging.fess.conf.dir}
FESS_VAR_PATH=${packaging.fess.var.dir}

FESS_DICTIONARY_PATH=/var/lib/opensearch/config/

# Port
FESS_PORT=8080

# Heap Memory
FESS_HEAP_SIZE=512m

# Elasticsearch Path
SEARCH_ENGINE_HOME=/usr/share/opensearch/

# Elasticsearch URL

import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction.AnalyzeToken;
import org.opensearch.transport.client.Client;

/**
 * AnalyzerNormalizer is a class that implements the Normalizer interface.
 * It uses an OpenSearch client and settings to normalize text based on specified languages.
 */

import java.util.function.Consumer;

import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.transport.client.Client;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.search.SearchHit;

/**
 * Helper class for scroll-based search operations in OpenSearch.
 * Centralizes scroll logic to reduce code duplication across settings and indexer classes.
 *

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

import jakarta.servlet.http.HttpServletRequest;

/**
 * Entity class that handles geographic information for search queries.

                return new HashSet<>();
            }
        };
        ComponentUtil.register(mockConfig, "fessConfig");

        // Note: Full testing requires a running OpenSearch cluster
        // These tests verify the PingResponse class structure is correct
        assertTrue(true);
    }

    @Test
    public void test_getClusterName_returnsCorrectValue() {

- **Data Persistence**: Multiple backend options including OpenSearch integration

## Technology Stack

- **Java**: 21+ (requires Java 21 or higher)
- **Build System**: Maven 3.x
- **DI Container**: LastaFlute DI
- **HTTP Client**: Apache HttpComponents
- **Content Extraction**: Apache Tika, Apache POI, PDFBox
- **Testing**: JUnit 4, UTFlute, Testcontainers
- **Storage Backends**: OpenSearch, Memory-based

## Quick Start

import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.delete.DeleteRequest;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.xcontent.json.JsonXContent;
import org.opensearch.core.action.ActionListener;
import org.opensearch.core.xcontent.XContentBuilder;

import org.codelibs.fess.suggest.constants.SuggestConstants;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.search.SearchHit;

/**
 * Creates SuggestResponse instances from OpenSearch search results.
 *
 * <p>This class encapsulates the response creation logic extracted from SuggestRequest,

 * Centralizes serialization logic to reduce complexity in SuggestItem.
 *
 * <p>This class provides methods for:
 * <ul>
 * <li>Converting SuggestItem to Map (for OpenSearch indexing)</li>
 * <li>Parsing Map back to SuggestItem (from OpenSearch documents)</li>
 * <li>Creating updated source maps (for document updates)</li>
 * <li>Converting SuggestItem to JSON string</li>
 * </ul>
 */
public final class SuggestItemSerializer {