server.send("Hello, WebSockets!")
    clientListener.assertTextMessage("Hello, WebSockets!")
    closeWebSockets(webSocket, server)
  }

  /**
   * We had a bug where web socket connections were leaked if the HTTP connection upgrade was not
   * successful. This test confirms that connections are released back to the connection pool!
   * https://github.com/square/okhttp/issues/4258
   */
  @Test

    server.enqueue(
      MockResponse(body = "This gets leaked."),
    )
    client =
      clientTestRule
        .newClientBuilder()
        .connectionPool(ConnectionPool(0, 10, TimeUnit.MILLISECONDS))
        .build()
    val request = Request(server.url("/"))
    client.newCall(request).execute() // Ignore the response so it gets leaked then GC'd.
    awaitGarbageCollection()

   * in-flight request from any thread. It's the caller's responsibility to close the request body
   * and response body streams; otherwise resources may be leaked.
   *
   * This method is safe to be called concurrently, but provides limited guarantees. If a transport
   * layer connection has been established (such as a HTTP/2 stream) that is terminated. Otherwise

  }

  @SuppressWarnings({"removal", "Finalize"}) // b/260137033
  @Override
  protected void finalize() {
    if (state.get().equals(OPEN)) {
      logger.get().log(SEVERE, "Uh oh! An open ClosingFuture has leaked and will close: {0}", this);
      FluentFuture<V> unused = finishToFuture();
    }
  }

  private static void closeQuietly(@Nullable AutoCloseable closeable, Executor executor) {
    if (closeable == null) {

  }

  @SuppressWarnings({"removal", "Finalize"}) // b/260137033
  @Override
  protected void finalize() {
    if (state.get().equals(OPEN)) {
      logger.get().log(SEVERE, "Uh oh! An open ClosingFuture has leaked and will close: {0}", this);
      FluentFuture<V> unused = finishToFuture();
    }
  }

  private static void closeQuietly(@Nullable AutoCloseable closeable, Executor executor) {
    if (closeable == null) {

        // Clean up leases older than 5ms
        int cleaned = leaseManager.cleanupExpiredLeases(5);

        // At least the first lease should be cleaned
        assertTrue(cleaned >= 1);

        // Check if old lease was removed
        LeaseEntry entry1 = leaseManager.getLease(key1);
        if (cleaned == 2) {
            assertNull(entry1);

    }

    /**
     * Get all active leases
     *
     * @return map of lease keys to lease entries
     */
    public Map<Smb2LeaseKey, LeaseEntry> getAllLeases() {
        return new ConcurrentHashMap<>(leases);
    }

    /**
     * Clean up expired leases
     *
     * @param maxAgeMillis maximum age in milliseconds
     * @return number of leases cleaned up
     */

}
```

## 12. Future Enhancements

1. **Directory Leases**: Extend lease support for directories
2. **Lease Key Persistence**: Save lease keys for reconnection
3. **Parent-Child Relationships**: Implement hierarchical leases
4. **Lease Sharing**: Support lease sharing across handles

     * type.
     *
     * In practice, we are very unlikely to see `null`: The `WeakReference` to the enum constant
     * won't be cleared as long as the enum constant is referenced somewhere, and the enum constant
     * is referenced somewhere for as long as the enum class is loaded. *Maybe in theory* the enum
     * class could be unloaded after the above call to `getEnumConstants` but before we call

            // Then
            // Provider should still use FessUserTimeZoneProcessProvider.centralTimeZone
            // which was set when the class was loaded
            TimeZone providedTimeZone = provider.provide();
            assertNotNull(providedTimeZone);
            // The provider uses the static centralTimeZone which captures the original default