// Persistent handles don't expire
        HandleInfo persistent = new HandleInfo(
            "/test/file2.txt",
            new HandleGuid(),
            new byte[16],
            HandleType.PERSISTENT,
            0,
            null
        );
        
        Thread.sleep(100);
        assertFalse(persistent.isExpired());
    }
    
    @Test

    /**
     * Create a new durable handle V2 request
     * @param timeoutMs the timeout in milliseconds (0 for persistent handles)
     * @param persistent true if this should be a persistent handle
     */
    public DurableHandleV2Request(long timeoutMs, boolean persistent) {
        this.timeoutMs = timeoutMs;
        this.flags = persistent ? Smb2HandleCapabilities.SMB2_DHANDLE_FLAG_PERSISTENT : 0;
        this.createGuid = new HandleGuid();
    }

     */
    DURABLE_V1(1),

    /**
     * SMB 3.0 durable handle V2 - with timeout configuration
     */
    DURABLE_V2(2),

    /**
     * SMB 3.0 persistent handle - survives server reboot
     */
    PERSISTENT(3);

    private final int value;

    HandleType(int value) {
        this.value = value;
    }

    /**
     * Get the numeric value of this handle type

  )
  fun value(): String = value

  @JvmName("-deprecated_persistent")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "persistent"),
    level = DeprecationLevel.ERROR,
  )
  fun persistent(): Boolean = persistent

  @JvmName("-deprecated_expiresAt")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "expiresAt"),

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Manager for persistent and durable SMB handles.
 *
 * This class provides:
 * - Handle lifecycle management
 * - Persistent storage for persistent handles
 * - Expiration tracking for durable handles
 * - Thread-safe access to handle information
 */
public class PersistentHandleManager {

        addCreateContext(new jcifs.internal.smb2.persistent.DurableHandleRequest());
    }

    /**
     * Add a durable handle V2 context to this request
     * @param timeoutMs the timeout in milliseconds (0 for persistent handles)
     * @param persistent true if this should be a persistent handle
     * @return the create GUID for this handle
     */

 * Lesser General Public License for more details.
 */
package jcifs.internal.smb2.persistent;

/**
 * Constants for SMB2/3 durable and persistent handle capabilities.
 */
public final class Smb2HandleCapabilities {

    /**
     * Flag indicating persistent handle capability
     */
    public static final int SMB2_DHANDLE_FLAG_PERSISTENT = 0x00000002;

    /**

- Add lease break handling in `SmbTransport`

---

### Phase 2: Persistent Handles
**Priority: HIGH** | **Estimated Effort: 4-5 weeks**

Persistent handles allow connections to survive network interruptions and server failovers.

#### 2.1 Core Persistent Handle Infrastructure
```
Package: jcifs.internal.smb2.persistent
├── PersistentHandleContext.java     - Persistent handle create context

 * Lesser General Public License for more details.
 */
package jcifs.internal.smb2.persistent;

import java.io.Serializable;
import java.util.Arrays;

import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Information about a durable or persistent SMB handle.
 * This class holds all the necessary information to reconnect
 * a handle after network failures or server reboots.
 */

     */
    public int getFlags() {
        return flags;
    }

    /**
     * Check if this is a persistent handle
     * @return true if persistent
     */
    public boolean isPersistent() {
        return (flags & Smb2HandleCapabilities.SMB2_DHANDLE_FLAG_PERSISTENT) != 0;
    }

    /**
     * Get the context name as string
     * @return the context name
     */
    public String getContextName() {