import org.opensearch.search.SearchHit;
import org.opensearch.threadpool.ThreadPool;
import org.opensearch.transport.client.AdminClient;
import org.opensearch.transport.client.Client;

import jakarta.annotation.PreDestroy;

/**
 * FesenClient is a client for OpenSearch.
 *
 * @author shinsuke
 *
 */
public class FesenClient implements Client {
    /**
     * HTTP address for OpenSearch.
     */

import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.OptionalUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.util.DfTypeUtil;

import jakarta.annotation.PostConstruct;

/**
 * Manages LDAP connections and operations.
 */
public class LdapManager {
    private static final Logger logger = LogManager.getLogger(LdapManager.class);

It is worth noting again that kube-scheduler will use apiVersion `kubescheduler.config.k8s.io/v1alpha1` instead of `componentconfig/v1alpha1` in its configuration files in 1.13.

import org.codelibs.fess.crawler.util.XPathAPI;
import org.codelibs.nekohtml.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;

import jakarta.annotation.Resource;

/**
 * The {@code HtmlTransformer} class is responsible for transforming HTML responses
 * during the crawling process. It extracts data, identifies child URLs, and handles
 * character set encoding.
 * <p>

import org.opensearch.search.aggregations.bucket.terms.Terms;
import org.opensearch.search.aggregations.metrics.Avg;
import org.opensearch.search.aggregations.metrics.Cardinality;

import jakarta.annotation.Resource;

/**
 * Service class for managing search logs and related analytics.
 *
 * This service provides functionality for querying, aggregating, and managing

import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;
import org.opensearch.script.Script;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**

- `kubectl prune v2`: Switched annotation from `contains-group-resources` to `contains-group-kinds`,
  because this is what we defined in the KEP and is clearer to end-users. Although the functionality is

import com.nimbusds.openid.connect.sdk.AuthenticationResponse;
import com.nimbusds.openid.connect.sdk.AuthenticationResponseParser;
import com.nimbusds.openid.connect.sdk.AuthenticationSuccessResponse;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Azure Active Directory (Azure AD) SSO authenticator implementation.

import org.opensearch.search.SearchHits;
import org.opensearch.search.sort.SortBuilder;

import com.google.common.hash.HashFunction;
import com.google.common.hash.Hashing;

import jakarta.annotation.Resource;

/**
 * Abstract base class for crawler services that interact with OpenSearch.
 *
 * @author shinsuke
 *
 */
public abstract class AbstractCrawlerService {
    /**

import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.codelibs.fess.crawler.helper.ContentLengthHelper;
import org.codelibs.fess.crawler.helper.MimeTypeHelper;

import jakarta.annotation.Resource;

/**
 * FtpClient is a crawler client implementation for accessing resources via the FTP protocol.
 * It extends {@link AbstractCrawlerClient} and provides methods to retrieve content and metadata