// Access chained Smb2QueryDirectoryRequest via reflection
                Smb2QueryDirectoryRequest q = (Smb2QueryDirectoryRequest) getNextOf(create);

                // Provide a query response with two entries
                Smb2QueryDirectoryResponse qr = new Smb2QueryDirectoryResponse(config, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);

        assertEquals(0x01, Smb2QueryDirectoryRequest.FILE_DIRECTORY_INFO);
        assertEquals(0x02, Smb2QueryDirectoryRequest.FILE_FULL_DIRECTORY_INFO);
        assertEquals(0x03, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);
        assertEquals(0x0C, Smb2QueryDirectoryRequest.FILE_NAMES_INFO);
        assertEquals(0x24, Smb2QueryDirectoryRequest.FILE_ID_BOTH_DIRECTORY_INFO);

    }

    @Test
    @DisplayName("Test constructor initializes with config and expectInfoClass")
    void testConstructor() {
        byte expectInfoClass = Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO;

        response = new Smb2QueryDirectoryResponse(mockConfig, expectInfoClass);

        assertNotNull(response);

import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;
import jcifs.internal.smb2.create.Smb2CloseRequest;
import jcifs.internal.smb2.info.Smb2QueryDirectoryRequest;
import jcifs.internal.smb2.info.Smb2QueryInfoRequest;
import jcifs.internal.smb2.info.Smb2SetInfoRequest;
import jcifs.internal.smb2.io.Smb2FlushRequest;
import jcifs.internal.smb2.io.Smb2ReadRequest;

    
    private boolean isMetadataOperation(SMBMessage message) {
        return message instanceof Smb2QueryInfoRequest
            || message instanceof Smb2SetInfoRequest
            || message instanceof Smb2QueryDirectoryRequest;
    }
}
```

### 4.5 Channel Failover Handler
```java
package jcifs.internal.smb2.multichannel;

import java.util.concurrent.*;

public class ChannelFailover {