- **MS-SMB2 Section 2.2.35**: SMB2 Change Notify Request
- **MS-SMB2 Section 2.2.36**: SMB2 Change Notify Response
- **MS-SMB2 Section 3.3.5.9.11**: Directory Leasing and Caching

## 3. Directory Lease Types

### 3.1 Directory-Specific Lease States
```java
public class DirectoryLeaseState extends Smb2LeaseState {
    // Standard lease states apply, plus directory-specific semantics:
    
    // READ_CACHING for directories means:

import jcifs.internal.smb1.trans2.Trans2FindFirst2Response;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;
import jcifs.internal.smb2.ioctl.Smb2IoctlResponse;
import jcifs.internal.smb2.ioctl.ValidateNegotiateInfoRequest;
import jcifs.internal.smb2.ioctl.ValidateNegotiateInfoResponse;
import jcifs.internal.smb2.nego.Smb2NegotiateRequest;
import jcifs.internal.smb2.nego.Smb2NegotiateResponse;

 */
package jcifs.internal.smb2.info;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Encodable;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Query Info request message. This command is used to query file system,

import java.util.Set;

import jcifs.internal.smb2.Smb2Constants;

/**
 * Enumeration of SMB protocol dialect versions supported by JCIFS.
 * This includes legacy SMB1/CIFS as well as modern SMB2/SMB3 dialects.
 *
 * @author mbechler
 */
public enum DialectVersion {

    /**
     * Legacy SMB1/CIFS
     */
    SMB1,

    /**
     * SMB 2.02 - Windows Vista+
     */

 */
package jcifs.internal.smb2.persistent;

import java.io.Serializable;
import java.nio.ByteBuffer;
import java.util.UUID;

/**
 * Handle GUID structure for SMB2/3 durable and persistent handles.
 * Provides a unique identifier for each handle that can be used
 * for reconnection after network failures or server reboots.
 *
 * According to MS-SMB2, the GUID is a 16-byte structure with little-endian

import org.junit.jupiter.params.provider.MethodSource;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2NegotiateRequest functionality
 */
@DisplayName("Smb2NegotiateRequest Tests")
class Smb2NegotiateRequestTest {

 */
package jcifs.internal.smb2.io;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.rdma.RdmaChannelInfo;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Read request message.
 *

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.internal.smb1.trans.TransPeekNamedPipe;
import jcifs.internal.smb1.trans.TransPeekNamedPipeResponse;
import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;
import jcifs.internal.smb2.ioctl.Smb2IoctlResponse;
import jcifs.internal.smb2.ioctl.SrvPipePeekResponse;

@ExtendWith(MockitoExtension.class)
class SmbPipeInputStreamTest {

    @Mock

    /**
     * Gets the flags field which contains flags in SMB 3.1.1 or encryption algorithm ID in SMB 3.0/3.0.2
     *
     * @return the flags (SMB 3.1.1) or encryption algorithm (SMB 3.0/3.0.2)
     */
    public int getFlags() {
        return this.flags;
    }

    /**
     * Sets the flags field which contains flags in SMB 3.1.1 or encryption algorithm ID in SMB 3.0/3.0.2
     *
     * @param flags

import jcifs.internal.fscc.FileInformation;
import jcifs.internal.fscc.FileInternalInfo;
import jcifs.internal.fscc.FileSystemInformation;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Query Info response message. This response contains the requested file system,
 * file, or security information from the server.
 *
 * @author mbechler
 *