import java.util.concurrent.atomic.AtomicReference;
import org.jspecify.annotations.Nullable;

/**
 * A step in a pipeline of an asynchronous computation. When the last step in the computation is
 * complete, some objects captured during the computation are closed.
 *
 * <p>A pipeline of {@code ClosingFuture}s is a tree of steps. Each step represents either an

            return createCacheBuilder(
                (Integer) combination.get(0),
                (Integer) combination.get(1),
                (Integer) combination.get(2),
                (DurationSpec) combination.get(3),
                (DurationSpec) combination.get(4),
                (DurationSpec) combination.get(5),
                (Strength) combination.get(6),

   * computation is {@linkplain java.util.concurrent.Future#isDone() complete} or, if the
   * computation is already complete, immediately.
   *
   * <p>The callback is run on {@code executor}. There is no guaranteed ordering of execution of
   * callbacks, but any callback added through this method is guaranteed to be called once the
   * computation is complete.
   *
   * <p>Example:
   *

 * and specifies the combination modes that control how XML elements are merged.</p>
 *
 * <p>The merger supports two main types of combinations:</p>
 * <ul>
 *   <li>Children combination: Controls how child elements are combined</li>
 *   <li>Self combination: Controls how the element itself is combined</li>
 * </ul>
 *
 * <p>Children combination modes (specified by {@code combine.children} attribute):</p>

 * asynchronously.
 *
 * <p>To attach to a {@link ListenableFuture} use {@link Futures#addCallback}.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public interface FutureCallback<V extends @Nullable Object> {
  /** Invoked with the result of the {@code Future} computation when it is successful. */
  void onSuccess(@ParametricNullness V result);

        // Verify structure:
        // Offset 0-3: Completion Filter (4 bytes)
        // Offset 4-5: FID (2 bytes)
        // Offset 6: Watch Tree (1 byte)
        // Offset 7: Reserved (1 byte)
        assertEquals(8, bytesWritten);

        // Check completion filter
        assertEquals(0x12345678, SMBUtil.readInt4(dst, 10));

        // Check FID

   *   <li>To get uninterruptibility and remove checked exceptions, use {@link
   *       Futures#getUnchecked}.
   * </ul>
   *
   * @throws ExecutionException if the computation threw an exception
   * @throws CancellationException if the computation was cancelled
   */
  @CanIgnoreReturnValue
  @ParametricNullness
  public static <V extends @Nullable Object> V getUninterruptibly(Future<V> future)

        notifyFlagsField.setAccessible(true);
        assertEquals(flags, notifyFlagsField.getInt(request));
    }

    @Test
    @DisplayName("Should set completion filter correctly")
    void testSetCompletionFilter() throws Exception {
        // Given
        int filter = Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_FILE_NAME | Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_DIR_NAME

    * kubectl `--user` and `--cluster` now support completion ([#44251](https://github.com/kubernetes/kubernetes/pull/44251), [@superbrothers](https://github.com/superbrothers))

    * `kubectl config use-context` now supports completion ([#42336](https://github.com/kubernetes/kubernetes/pull/42336), [@superbrothers](https://github.com/superbrothers))

                    endLatch.countDown();
                }
            });
        }

        // Start all threads simultaneously
        startLatch.countDown();

        // Wait for completion
        assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete within timeout");
        executor.shutdown();

        // Then - Verify no exceptions occurred
        if (!exceptions.isEmpty()) {