*/
    SmbSession getSmbSession(CIFSContext tf, String targetHost, String targetDomain);

    /**
     * Checks if this transport uses the SMB2 protocol.
     *
     * @return whether this is a SMB2 connection
     * @throws SmbException if an error occurs checking protocol version
     */
    boolean isSMB2() throws SmbException;

    /**
     * Gets the number of currently pending requests.
     *

├── fess-crawler-lasta/        # LastaFlute DI integration
└── fess-crawler-opensearch/   # OpenSearch backend
```

### Key Design Patterns

**Factory**: `CrawlerClientFactory`, `ExtractorFactory` - protocol/format-specific component selection
**Strategy**: `CrawlerClient`, `Extractor`, `Transformer` - pluggable implementations
**Builder**: `RequestDataBuilder`, `ExtractorBuilder` - fluent construction

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal;

import jcifs.util.transport.Message;

/**
 * Common interface for all SMB message blocks in the jCIFS protocol implementation.
 * Provides core functionality for encoding/decoding SMB messages, handling message signing,
 * and managing message metadata such as IDs, commands, and authentication information.
 *
 * @author mbechler
 */

 */
package jcifs.smb.compression;

import jcifs.CIFSException;

/**
 * Interface for SMB3 compression services.
 *
 * Provides compression and decompression functionality for SMB3 protocol
 * data transfers with support for multiple compression algorithms.
 */
public interface CompressionService {

    /**
     * Compression algorithm constants matching SMB3 specification.
     */

 * file, or security information from the server.
 *
 * @author mbechler
 *
 */
public class Smb2QueryInfoResponse extends ServerMessageBlock2Response {

    /**
     * Protocol overhead size for SMB2 query info response
     */
    public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 8;

    private final byte expectInfoType;
    private final byte expectInfoClass;

 */
package jcifs;

import jcifs.internal.SMBProtocolDecodingException;

/**
 * Interface for objects that can be decoded from a byte buffer.
 * This interface provides methods for deserializing data from SMB protocol messages.
 *
 * @author mbechler
 */
public interface Decodable {

    /**
     * Decode data from a byte buffer
     *
     * @param buffer the byte buffer containing the data to decode

 */

package jcifs.smb1.smb1;

import java.io.Serializable;

import jcifs.smb1.UniAddress;
import jcifs.smb1.util.Hexdump;

/**
 * Represents an NTLM authentication challenge in SMB1 protocol.
 */
public final class NtlmChallenge implements Serializable {

    /**
     * The NTLM challenge bytes received from the server.
     */
    public byte[] challenge;
    /**

import jcifs.internal.Request;

/**
 * Base class for SMB2/SMB3 request messages.
 *
 * This abstract class provides common functionality for handling
 * request messages in the SMB2/SMB3 protocol.
 *
 * @author mbechler
 * @param <T>
 *            response type
 */
public abstract class ServerMessageBlock2Request<T extends ServerMessageBlock2Response> extends ServerMessageBlock2

    }

    /**
     * Test for isSMB2() method.
     * Verifies that the method returns the correct SMB protocol version status.
     */
    @Test
    void testIsSMB2() {
        when(smbTreeHandle.isSMB2()).thenReturn(true);
        assertTrue(smbTreeHandle.isSMB2(), "isSMB2() should return true");

 */

package jcifs.dcerpc;

import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;
import jcifs.dcerpc.ndr.NdrObject;

/**
 * Abstract base class for DCE/RPC protocol messages.
 * This class provides common functionality for all DCE/RPC message types.
 */
public abstract class DcerpcMessage extends NdrObject implements DcerpcConstants {

    /**