*
 * <p>{@code ByteSink} provides two kinds of methods:
 *
 * <ul>
 *   <li><b>Methods that return a stream:</b> These methods should return a <i>new</i>, independent
 *       instance each time they are called. The caller is responsible for ensuring that the
 *       returned stream is closed.
 *   <li><b>Convenience methods:</b> These are implementations of common operations that are

        // The super constructor is called with (domainHandle, 0, acct_flags, null, 0)
        // We can't directly assert these values on the superclass fields without reflection or a testable superclass.
        // For 100% coverage, we'd need to ensure the superclass constructor is indeed called with these values.

        // Create an NdrSmall object with a specific value
        NdrSmall ndrSmall = new NdrSmall(100);

        // Call the encode method
        ndrSmall.encode(mockNdrBuffer);

        // Verify that enc_ndr_small was called with the correct value
        verify(mockNdrBuffer, times(1)).enc_ndr_small(100);
        verifyNoMoreInteractions(mockNdrBuffer);
    }

    @Test
    void testDecode() throws NdrException {

        // Verify that the super constructor was called with the correct arguments
        // Note: Mockito cannot directly verify super constructor calls.
        // We assume if the object is created, the super constructor was called.
        // We can verify the state of the object after construction.

        // Verify ptype and flags are set correctly

        // Should have created 4 indices (config x2, user x1, log x1)
        assertEquals(4, testClient.createdIndices.size());
        // Should have called addMapping for each created index
        assertEquals(4, testClient.addMappingCalls.size());
        // Should have called createAlias for each created index
        assertEquals(4, testClient.createAliasCalls.size());
        // No reindex calls since indices are new

     */
    InetAddress toInetAddress() throws UnknownHostException;

    /**
     * Guess called name to try for session establishment. These
     * methods are used by the smb package.
     *
     * @return guessed name
     */
    String firstCalledName();

    /**
     * Guess next called name to try for session establishment. These
     * methods are used by the smb package.
     *

 *
 * @author Isaac Shum
 * @since 1.0
 */
@GwtCompatible
public final class Callables {
  private Callables() {}

  /** Creates a {@code Callable} which immediately returns a preset value each time it is called. */
  public static <T extends @Nullable Object> Callable<T> returning(@ParametricNullness T value) {
    return () -> value;
  }

  /**
   * Creates an {@link AsyncCallable} from a {@link Callable}.
   *

   * <p>This method should return promptly; prefer to do work on a different thread where it is
   * convenient. It is invoked exactly once on service shutdown, even when {@link #stopAsync} is
   * called multiple times.
   *
   * <p>If {@link #stopAsync} is called on a {@link State#STARTING} service, this method is not
   * invoked immediately. Instead, it will be deferred until after the service is {@link

            }
        };

        // When/Then
        assertFalse(iterator.hasNext(), "Should not have next when advance returns null");
        // The iterator returns null when no elements, doesn't throw exception
        assertNull(iterator.next(), "Should return null when no next element");
    }

    /**
     * Test multiple iterations with mixed filtering results.
     */
    @Test

    listener = new MockFutureListener(resultFuture);
  }

  public void testFutureGetBeforeCallback() throws Exception {
    // Verify that get throws a timeout exception before the callback is called.
    assertThrows(TimeoutException.class, () -> resultFuture.get(1L, MILLISECONDS));
  }

  public void testFutureGetThrowsWrappedException() throws Exception {
    inputFuture.setException(EXCEPTION);