if (directoryLeaseManager != null) {
        directoryLeaseManager.shutdown();
    }
    super.logoff();
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_DIRECTORY_LEASING = "jcifs.smb.client.useDirectoryLeasing";
public static final String DIRECTORY_CACHE_SCOPE = "jcifs.smb.client.directoryCacheScope";

        this.address = addr;
        this.length = len;
    }
    
    // Getters...
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_RDMA = "jcifs.smb.client.useRDMA";
public static final String RDMA_PROVIDER = "jcifs.smb.client.rdmaProvider";

import org.testcontainers.junit.jupiter.Testcontainers;
import org.testcontainers.utility.MountableFile;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.config.PropertyConfiguration;
import jcifs.context.BaseContext;
import jcifs.context.SingletonContext;

/**
 * Integration tests for SmbFile using a real SMB server via Testcontainers.

    } catch (Exception e) {
        throw new IOException("Multi-channel read failed", e);
    }
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_MULTI_CHANNEL = "jcifs.smb.client.useMultiChannel";
public static final String MAX_CHANNELS = "jcifs.smb.client.maxChannels";

        }

        // Initialize multi-channel defaults if not set
        // Note: useMultiChannel defaults are handled by PropertyConfiguration
        // Base configuration leaves it as false by default
        if (this.maxChannels == 0) {
            this.maxChannels = 4;
        }

    }
    
    // Proceed with normal error handling/retry
    super.handleConnectionLoss(error);
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_WITNESS = "jcifs.smb.client.useWitness";
public static final String WITNESS_HEARTBEAT_TIMEOUT = "jcifs.smb.client.witnessHeartbeatTimeout";