import org.opensearch.index.query.QueryBuilder;
import org.opensearch.transport.client.Client;

/**
 * SuggestIndexWriter is an implementation of the SuggestWriter interface that provides methods to write, delete,
 * and delete by query suggest items in an OpenSearch index.
 */
public class SuggestIndexWriter implements SuggestWriter {
    /**
     * Constructs a new {@link SuggestIndexWriter}.
     */

 * It includes constructors to handle messages, causes, or both.
 * </p>
 *
 * <p>
 * The log level can be set to DEBUG, INFO, WARN, or ERROR, and the class provides methods to check if a specific log level is enabled.
 * </p>
 *
 * <p>
 * Example usage:
 * </p>
 *
 * <pre>
 * try {
 *     // Attempt to access a resource
 * } catch (CrawlingAccessException e) {

import org.codelibs.core.lang.StringUtil;

/**
 * FtpAuthentication class holds the authentication information for FTP connections.
 * It includes server address, port number, username, and password.
 * It also provides a method to check if the authentication matches a given FTP path.
 *
 * @author shinsuke
 */
public class FtpAuthentication {
    private static final Logger logger = LogManager.getLogger(FtpAuthentication.class);

    /**

import org.codelibs.fess.crawler.util.AccessResultCallback;

import jakarta.annotation.Resource;

/**
 * Implementation of the {@link DataService} interface for managing access result data.
 * This class provides methods to store, retrieve, update, and delete access results,
 * as well as to iterate over them. It uses a {@link MemoryDataHelper} to store the data in memory.
 *
 * <p>

 * It implements the {@link Sitemap} interface.
 * </p>
 *
 * <p>
 * The {@code SitemapUrl} class provides getter and setter methods for each of these properties,
 * as well as implementations for {@code equals()}, {@code hashCode()}, and {@code toString()} methods.
 * </p>
 *
 */
public class SitemapUrl implements Sitemap {

    private static final long serialVersionUID = 1L;

    /**

import javax.xml.xpath.XPathFactory;
import javax.xml.xpath.XPathNodes;

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.w3c.dom.Node;

/**
 * The XPathAPI class provides methods to evaluate XPath expressions and select nodes or node lists from an XML document.
 * It uses the javax.xml.xpath.XPath and javax.xml.xpath.XPathFactory classes to create and evaluate XPath expressions.
 *
 * <p>Example usage:</p>

 * It uses a {@link UrlFilterService} to manage the URL filtering rules.
 * The class supports caching of include and exclude patterns for scenarios where a session ID is not available.
 * It also provides methods to initialize the filter with a session ID, clear the filter,
 * match a URL against the defined patterns, and process a URL to add include or exclude patterns based on predefined filtering patterns.
 *
 */
/**

 * {@link org.codelibs.fess.crawler.exception.CrawlerSystemException} in case of errors.
 * </p>
 *
 * <p>
 * The {@link #storeData(ResponseData, ResultData)} method is the main entry point for storing
 * the content of a crawled resource. The {@link #getData(AccessResultData)} method retrieves
 * the stored file path as a File object.
 * </p>
 */
public class FileTransformer extends HtmlTransformer {
    /** Logger instance for this class */

 * </p>
 *
 * clientConnectionManager the HttpClientConnectionManager used to manage connections
 * idleConnectionTimeout the timeout duration (in milliseconds) for idle connections
 *
 * <p>Methods:</p>
 * <ul>
 *   <li>{@link #expired()}: Handles the expiration of connections by closing expired and idle connections.</li>
 * </ul>
 *
 * <p>Logging:</p>
 * <ul>

import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHit;
import org.opensearch.transport.client.Client;

/**
 * The ArraySettings class provides methods to manage settings stored in an array format within an OpenSearch index.
 * It allows adding, retrieving, and deleting settings based on keys and values.
 *
 * <p>Constructor:
 * <ul>