import org.opensearch.OpenSearchStatusException;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction.AnalyzeToken;

/**
 * DefaultContentsParser is an implementation of the ContentsParser interface.
 * It provides methods to parse search words, query logs, and documents into SuggestItem objects.
 *
 * <p>This class uses various utilities such as ReadingConverter, Normalizer, and SuggestAnalyzer

import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.codelibs.fess.crawler.service.UrlQueueService;

import jakarta.annotation.Resource;

/**
 * Implementation of the {@link UrlQueueService} interface.
 * This class provides methods for managing a queue of URLs to be crawled,
 * including adding, deleting, and retrieving URLs from the queue.
 * It uses a {@link MemoryDataHelper} to store the URL queue data in memory.
 *

 * and cache file size to optimize the extraction process.
 *
 * <p>
 * The main purpose of this class is to simplify the extraction process by providing a fluent interface
 * for configuring the extraction parameters and handling the underlying complexities of content processing,
 * such as MIME type detection, extractor selection, and content length validation.
 * </p>
 *
 * <p>

import com.google.common.cache.LoadingCache;

import jakarta.annotation.Resource;

/**
 * {@link HtmlXpathExtractor} is an implementation of the {@link org.codelibs.fess.crawler.extractor.Extractor} interface.
 * It uses XPath expressions to extract text content from HTML documents.
 * <p>
 * This class provides methods to configure the XPath expressions, parser features, and properties.

import org.codelibs.fess.crawler.service.impl.DataServiceImpl;
import org.codelibs.fess.crawler.service.impl.UrlFilterServiceImpl;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for UrlFilter interface.
 * Tests the contract and behavior of UrlFilter implementations.
 */
public class UrlFilterTest extends PlainTestCase {

    private UrlFilter urlFilter;
    private StandardCrawlerContainer container;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.crawler.Constants;

/**
 * The FormScheme class implements the AuthScheme interface to provide
 * form-based authentication for HTTP clients. It handles the process of
 * obtaining a token and logging in using the provided credentials.
 *
 * <p>This class supports both GET and POST methods for token and login

 * </ul>
 *
 * <p>Supported languages are defined in the SUPPORTED_LANGUAGES array.</p>
 *
 * <p>Inner class:</p>
 * <ul>
 *   <li>DefaultContentsAnalyzer: Implements the SuggestAnalyzer interface to analyze text and retrieve tokens using
 *       the configured analyzers.</li>
 * </ul>
 *
 * <p>Protected static class:</p>
 * <ul>

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for Transformer interface.
 * Tests the contract and behavior of Transformer implementations.
 */
public class TransformerTest extends PlainTestCase {

    /**
     * Basic test implementation of Transformer
     */

 * It is responsible for fetching URLs from the queue, accessing the content,
 * processing the response, and extracting child URLs.
 *
 * <p>
 * This class implements the {@link Runnable} interface, allowing it to be executed in a separate thread.
 * It uses various services and components, such as {@link UrlQueueService}, {@link DataService},

                    .execute(ActionListener.wrap(res -> {}, e -> logger.warn("Failed to clear " + scrollId, e)));
        }
    }

    /**
     * Listener for connection events.
     */
    public interface OnConnectListener {
        /**
         * Called when the client connects to OpenSearch.
         */
        void onConnect();
    }

    /**
     * Sets the scroll configuration for delete operations.