import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2CloseRequest functionality
 */
@DisplayName("Smb2CloseRequest Tests")
class Smb2CloseRequestTest {

                size += size8(ccr.size());
            }
        }
        return size8(size);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        if (log.isDebugEnabled()) {

import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.smb1.trans2.Trans2FindFirst2;
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 org.mockito.junit.jupiter.MockitoSettings;
import org.mockito.quality.Strictness;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Encodable;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2QueryInfoRequest functionality
 */
@DisplayName("Smb2QueryInfoRequest Tests")

import jcifs.internal.fscc.FileFsSizeInformation;
import jcifs.internal.fscc.FileInformation;
import jcifs.internal.fscc.FileInternalInfo;
import jcifs.internal.fscc.FileSystemInformation;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2QueryInfoResponse functionality
 */

import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.fscc.FileBothDirectoryInfo;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.FileEntry;

/**

import jcifs.DialectVersion;
import jcifs.internal.CommonServerMessageBlock;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.SmbNegotiationResponse;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
import jcifs.util.transport.Response;

/**

import jcifs.internal.smb1.trans.SmbComTransactionResponse;
import jcifs.internal.smb1.trans2.Trans2GetDfsReferral;
import jcifs.internal.smb1.trans2.Trans2GetDfsReferralResponse;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.Smb2EncryptionContext;

import jcifs.internal.smb1.com.SmbComSessionSetupAndX;
import jcifs.internal.smb1.com.SmbComSessionSetupAndXResponse;
import jcifs.internal.smb1.com.SmbComTreeConnectAndX;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.Smb2EncryptionContext;
import jcifs.internal.smb2.Smb2SigningDigest;

        });
        
        return file;
    }
}
```

### 4.4 Directory Change Notifier
```java
package jcifs.internal.smb2.lease;

import jcifs.internal.smb2.ServerMessageBlock2;
import java.util.concurrent.ConcurrentHashMap;

public class DirectoryChangeNotifier {
    private final DirectoryLeaseManager leaseManager;