import org.codelibs.core.beans.factory.ParameterizedClassDescFactory;
import org.codelibs.core.exception.MethodNotStaticRuntimeException;
import org.codelibs.core.lang.MethodUtil;

/**
 * Implementation class of {@link MethodDesc}.
 *
 * @author koichik
 */
public class MethodDescImpl implements MethodDesc {

    /** The {@link BeanDesc} of the class that owns this method */
    protected final BeanDesc beanDesc;

import org.opensearch.index.query.QueryShardContext;

/**
 * Default implementation of QueryBuilder that wraps other QueryBuilder instances
 * and provides additional functionality for adding inner queries dynamically.
 * Supports both BoolQueryBuilder and DisMaxQueryBuilder as underlying implementations.
 */
public class DefaultQueryBuilder implements QueryBuilder {

    }

    /**
     * Test call() method as Callable in executor service
     */
    @Test
    void testCallAsCallable() throws Exception {
        // Create a real implementation for testing Callable behavior
        SmbWatchHandle realHandle = new SmbWatchHandle() {
            private int callCount = 0;

            @Override

```

### Key Components

#### Core Engine
- **Crawler**: Main orchestrator managing crawl execution
- **CrawlerContext**: Execution context and configuration
- **CrawlerThread**: Individual crawler thread implementation

#### Client Architecture
- **HcHttpClient**: HTTP/HTTPS client using Apache HttpComponents
- **FileSystemClient**: File system access
- **FtpClient**: FTP protocol support

import org.opensearch.action.index.IndexRequestBuilder;
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 {
    /**

 * This class extends {@link BasePooledObjectFactory} and provides
 * methods for creating, wrapping, and destroying crawler components
 * obtained from a {@link CrawlerContainer}.
 *
 * <p>This implementation provides proper resource management for closeable objects
 * and supports destruction listeners.</p>
 *
 * @param <T> the type of the pooled object
 */

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

import jakarta.annotation.Resource;

/**
 * FileSystemClient is CrawlerClient implementation to crawl files on a file
 * system.
 *
 * @author shinsuke
 *
 */
public class FileSystemClient extends AbstractCrawlerClient {

    /** Logger instance for this class */

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;

/**
 * Default implementation of SMB3 compression service.
 *
 * Provides compression using Java's built-in deflate algorithm as a base
 * for LZ77-based compression. For production use, more specialized
 * implementations of LZNT1 and Pattern_V1 algorithms would be needed.
 */
public class DefaultCompressionService implements CompressionService {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.entity;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.crawler.Constants;

/**
 * Implementation of the {@link AccessResult} interface.
 *
 * @param <IDTYPE> the type of the identifier for the access result
 */
public class AccessResultImpl<IDTYPE> implements AccessResult<IDTYPE> {

    /**

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

import jakarta.annotation.PostConstruct;

/**
 * OpenSearchUrlFilterService is an implementation of {@link UrlFilterService} for OpenSearch.
 */
public class OpenSearchUrlFilterService extends AbstractCrawlerService implements UrlFilterService {

    /**
     * Field name for filter type.
     */