* This class provides configuration for index names, shards, and replicas
 * for the queue, data, and filter indices used by the crawler.
 */
public class OpenSearchCrawlerConfig {
    /**
     * Constructs a new OpenSearchCrawlerConfig.
     */
    public OpenSearchCrawlerConfig() {
        // Default constructor
    }

    /**
     * Queue index name.
     */
    protected String queueIndex = ".crawler.queue";

import org.apache.logging.log4j.Logger;
import org.codelibs.fess.crawler.entity.OpenSearchUrlQueue;
import org.codelibs.fess.crawler.service.impl.OpenSearchUrlQueueService;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.codelibs.fess.helper.CrawlingConfigHelper;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig.ConfigName;

import org.codelibs.fess.util.ComponentUtil;

/**
 * Fess-specific crawler configuration that extends OpenSearchCrawlerConfig.
 * This class provides configuration settings for the Fess crawler including
 * index names, shard counts, and replica counts for queue, data, and filter indices.
 */
public class FessCrawlerConfig extends OpenSearchCrawlerConfig {

    /**
     * Default constructor.
     */
    public FessCrawlerConfig() {

import org.codelibs.fess.crawler.entity.OpenSearchUrlFilter;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.service.UrlFilterService;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.opensearch.action.DocWriteRequest.OpType;
import org.opensearch.index.query.QueryBuilders;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;

import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.codelibs.fess.crawler.service.DataService;
import org.codelibs.fess.crawler.util.AccessResultCallback;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.codelibs.fess.crawler.util.OpenSearchResultList;
import org.opensearch.action.DocWriteRequest.OpType;
import org.opensearch.action.search.SearchRequestBuilder;

import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.opensearch.action.DocWriteRequest.OpType;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.search.SearchResponse;