import java.io.IOException;
import java.io.OutputStream;
import java.util.function.Function;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.lastaflute.di.exception.IORuntimeException;
import org.opensearch.core.xcontent.MediaType;
import org.opensearch.core.xcontent.ToXContent;
import org.opensearch.core.xcontent.XContentBuilder;

    /** List of crawler session IDs to process */
    protected List<String> sessionIdList;

    /** OpenSearch client for index operations */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Service for managing crawled document data */
    @Resource
    protected DataService<OpenSearchAccessResult> dataService;

    /** Service for managing URL crawling queue */
    @Resource

            }

            try {
                final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
                final String index = fessConfig.getIndexDocumentUpdateIndex();
                searchEngineClient.admin().indices().prepareRefresh(index).execute().actionGet();
                final long numOfDeleted = searchEngineClient.deleteByQuery(index, queryBuilder);

            if (maxAccessCount != 1L) {
                final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
                final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();
                final long count = indexingHelper.deleteDocumentByQuery(searchEngineClient,
                        QueryBuilders.prefixQuery(fessConfig.getIndexFieldUrl(), url));

    }

    private static final Logger logger = LogManager.getLogger(SuggestCreator.class);

    /** The search engine client for interacting with OpenSearch. */
    @Resource
    public SearchEngineClient searchEngineClient;

    /**
     * A nested class for parsing command-line options.
     */
    protected static class Options {
        /** The session ID for the suggest creation process. */

import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.client.SearchEngineClient.SearchCondition;
import org.codelibs.fess.opensearch.client.SearchEngineClient.SearchConditionBuilder;
import org.codelibs.fess.rank.fusion.SearchResult.SearchResultBuilder;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;

import org.apache.commons.text.StringEscapeUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.Constants;
import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.core.xcontent.ToXContent;

    /** Configuration settings for Fess application */
    @Resource
    protected FessConfig fessConfig;

    /** Client for interacting with the search engine */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /**
     * Retrieves a paginated list of elevate words based on the provided pager criteria.
     *
     * @param elevateWordPager the pager containing pagination and filtering criteria

        if (!acceptHttpMethod(request, GET)) {
            return;
        }

        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        try {
            final PingResponse pingResponse = searchEngineClient.ping();
            writeJsonResponse(pingResponse.getStatus() == 0 ? HttpServletResponse.SC_OK : HttpServletResponse.SC_SERVICE_UNAVAILABLE,

    private static Queue<String> errors = new ConcurrentLinkedQueue<>();

    /** Injected search engine client for OpenSearch operations. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Injected helper for web and file system indexing operations. */
    @Resource
    protected WebFsIndexHelper webFsIndexHelper;

    /** Injected helper for data store indexing operations. */