- **MS-SMB2 Section 3.2.1.4**: Durable Open Scavenger Timer

## 3. Handle Types and Capabilities

### 3.1 Handle Types
```java
public enum HandleType {
    NONE(0),                    // No durability
    DURABLE_V1(1),              // SMB 2.1 - survives network loss
    DURABLE_V2(2),              // SMB 3.0 - with timeout
    PERSISTENT(3);              // SMB 3.0 - survives server reboot
    
    private final int value;