* permit them, as it seems more likely that code would depend on that behavior than on the other.
   * Thus, we say the bug is in set(), which fails to support null.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getSetNullSupportedMethod() {
    return getMethod(ListSetTester.class, "testSet_null");
  }

    void testNullIsNotInstance() {
        // Assert
        assertFalse(SessionSetupHandler.class.isInstance(null));
    }

    @Test
    @DisplayName("Invalid: looking up constructor on interface fails")
    void testNoConstructorLookup() {
        // Act & Assert: interfaces have no constructors
        assertThrows(NoSuchMethodException.class, () -> SessionSetupHandler.class.getDeclaredConstructor());
    }

    @Test

        }
    }

    /**
     * Decodes a single notification from the NDR buffer.
     *
     * @param buf the NDR buffer
     * @return the decoded notification
     * @throws NdrException if decoding fails
     */
    private WitnessNotificationResponse decodeNotification(NdrBuffer buf) throws NdrException {
        WitnessNotificationResponse notification = new WitnessNotificationResponse();

        // Notification type

        setMechanismListMIC(mechanismListMIC);
    }

    /**
     * Constructs a NegTokenTarg by parsing the provided token bytes
     * @param token the SPNEGO token bytes to parse
     * @throws IOException if parsing fails
     */
    public NegTokenTarg(final byte[] token) throws IOException {
        parse(token);
    }

    /**
     * Gets the negotiation result code
     * @return the result code
     */

        assertFalse(channelManager.isUseMultiChannel());

        try {
            channelManager.initializeMultiChannel();
            // Should not throw exception even if initialization fails
        } catch (Exception e) {
            // Expected in test environment without proper server setup
        }

        assertDoesNotThrow(() -> channelManager.shutdown());
    }

    @Test

    private AvPairs() {
    }

    /**
     * Decode a list of AvPairs
     *
     * @param data the encoded AV pairs data
     * @return individual pairs
     * @throws CIFSException if decoding fails
     */
    public static List<AvPair> decode(final byte[] data) throws CIFSException {
        final List<AvPair> pairs = new LinkedList<>();
        int pos = 0;
        boolean foundEnd = false;

        verifyNoMoreInteractions(locator);
    }

    // Error path: overlaps may throw a CIFSException per signature
    @Test
    @DisplayName("overlaps throws CIFSException when implementation fails")
    void overlapsThrowsCifsException() throws Exception {
        when(locator.overlaps(any())).thenThrow(new CIFSException("Simulated failure"));

  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  public void testRemove_occurrences_unsupported_absent() {
    // notice: we don't care whether it succeeds, or fails with UOE
    try {
      assertEquals(
          "multiset.remove(absent, 2) didn't return 0 or throw an exception",
          0,
          getMultiset().remove(e3(), 2));

  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  public void testRemove_occurrences_unsupported_absent() {
    // notice: we don't care whether it succeeds, or fails with UOE
    try {
      assertEquals(
          "multiset.remove(absent, 2) didn't return 0 or throw an exception",
          0,
          getMultiset().remove(e3(), 2));

        UnsupportedOperationException.class,
        () -> collection.removeAll(MinimalCollection.of(e0())));
    expectUnchanged();
    assertTrue(collection.contains(e0()));
  }

  /*
   * AbstractCollection fails the removeAll(null) test when the subject
   * collection is empty, but we'd still like to test removeAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.