* @param newFileId the new 16-byte file ID
     */
    public void updateFileId(byte[] newFileId) {
        if (newFileId.length != 16) {
            throw new IllegalArgumentException("File ID must be 16 bytes");
        }
        System.arraycopy(newFileId, 0, this.fileId, 0, 16);
    }

    @Override
    public String toString() {

   * <p><b>Java 8+ users:</b> the {@code Stream} equivalent to this method is {@code
   * stream.collect(MoreCollectors.onlyElement())}.
   *
   * @throws NoSuchElementException if the iterable is empty
   * @throws IllegalArgumentException if the iterable contains multiple elements
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getOnlyElement(Iterable<T> iterable) {
    return Iterators.getOnlyElement(iterable.iterator());

    }

    @Test
    public void test_constructorWithNullMessageAndValidCause() {
        // Test constructor with null message and valid cause
        Throwable cause = new IllegalArgumentException("Invalid argument");
        GsaConfigException exception = new GsaConfigException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());

   * @return a new, empty {@code ObjectCountLinkedHashMap} with enough capacity to hold {@code
   *     expectedSize} elements without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  static <K extends @Nullable Object> ObjectCountLinkedHashMap<K> createWithExpectedSize(
      int expectedSize) {
    return new ObjectCountLinkedHashMap<K>(expectedSize);

          assertFalse(overlaps);
          mutable.add(range);
        } catch (IllegalArgumentException e) {
          assertTrue(overlaps);
          continue subsets;
        }
      }

      if (anyOverlaps) {
        assertThrows(IllegalArgumentException.class, () -> ImmutableRangeSet.copyOf(subset));
      } else {
        RangeSet<Integer> copy = ImmutableRangeSet.copyOf(subset);

    }

    @Test
    public void test_constructor_withNullMessageAndValidCause() {
        // Test constructor with null message and valid cause
        Throwable cause = new IllegalArgumentException("Invalid argument");
        SearchEngineClientException exception = new SearchEngineClientException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        assertNull(exception.getCause());
    }

    @Test
    public void test_exceptionChaining() {
        // Test exception chaining
        Throwable rootCause = new IllegalArgumentException("Invalid argument");
        Throwable intermediateCause = new RuntimeException("Processing failed", rootCause);
        String message = "Plugin operation failed";

    @Override
    public final void setResponse(final CommonServerMessageBlockResponse msg) {
        if (msg != null && !(msg instanceof ServerMessageBlock2)) {
            throw new IllegalArgumentException("Incompatible response");
        }
        this.response = (T) msg;
    }

  }

  @Override
  public ImmutableSortedSet<E> headSet(E toElement) {
    checkNotNull(toElement);
    try {
      return unsafeDelegateSortedSet(sortedDelegate.headSet(toElement), true);
    } catch (IllegalArgumentException e) {
      return emptySet(comparator());
    }
  }

  @Nullable E higher(E e) {
    checkNotNull(e);
    Iterator<E> iterator = tailSet(e).iterator();
    while (iterator.hasNext()) {

        // Verify the method was called
        verify(mockResponse, times(2)).getException();
    }

    @Test
    void testException() {
        Exception testException = new IllegalArgumentException("Another Test Exception");
        mockResponse.exception(testException);

        // Verify that the method was called with the correct argument
        verify(mockResponse, times(1)).exception(testException);