this.iterator = iterator;
  }

  @Override
  public Iterator<E> iterator() {
    if (iterator == null) {
      // TODO: throw something else? Do we worry that people's code and tests
      // might be relying on this particular type of exception?
      throw new IllegalStateException();
    }
    try {
      return iterator;
    } finally {
      iterator = null;
    }
  }

     * @return True if the negotiation is complete, otherwise false
     * @throws IOException if an I/O error occurs
     * @throws ServletException if a servlet error occurs
     */
    protected NtlmPasswordAuthentication negotiate(final HttpServletRequest req, final HttpServletResponse resp,
            final boolean skipAuthentication) throws IOException, ServletException {
        Address dc;
        String msg;

  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testContains_nullNotContainedAndUnsupported() {
    expectNullValueMissingWhenNullValuesUnsupported(
        "containsValue(null) should return false or throw");
  }

  @MapFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testContains_nonNullWhenNullContained() {
    initMapWithNullValue();

    @Test
    @DisplayName("Test decode throws exception when length is too short")
    void testDecodeThrowsExceptionWhenLengthTooShort() {
        byte[] buffer = new byte[28];

        // Test with len = 23 (one byte too short)
        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> response.decode(buffer, 0, 23),
                "Should throw exception when length < 24");

      if (actualException instanceof InterruptedException) {
        return Outcome.INTERRUPT;
      } else {
        throw new AssertionError("unexpected exception", targetException);
      }
    } catch (IllegalAccessException e) {
      throw new AssertionError("unexpected exception", e);
    }
  }

  private void enterSatisfyGuardAndLeaveInCurrentThread() {
    monitor.enter();

     * @return the extractor instance for processing the document
     * @throws FessSystemException if no suitable extractor can be found
     */
    @Override
    protected Extractor getExtractor(final ResponseData responseData) {
        final ExtractorFactory extractorFactory = ComponentUtil.getExtractorFactory();
        if (extractorFactory == null) {
            throw new FessSystemException("Could not find extractorFactory.");
        }

            final T o = items[index];
            index++;
            return o;
        } catch (final IndexOutOfBoundsException e) {
            throw new NoSuchElementException("index=" + index);
        }
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

                return null;
            }
            return target.toFile();
        } catch (IOException | XMLStreamException | ModelBuilderException e) {
            throw new TransformationFailedException(e);
        }
    }

    private String mayUpdate() throws IOException, XMLStreamException, ModelBuilderException {
        String result;
        ModelSource src = sourcePathProvider.get();
        if (src == null) {

    }

    @Test
    public void test_hashCode_withNullInput() {
        // Test hashCode with null input - should not throw, returns consistent hash for null
        StopwordsItem item1 = new StopwordsItem(1, null);
        StopwordsItem item2 = new StopwordsItem(2, null);

        // Should not throw
        int hash1 = item1.hashCode();
        int hash2 = item2.hashCode();

                si++;
                if ((ch & 0xC0) != 0x80) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
                uni[ui] |= (ch & 0x3F) << 6;
                ch = src[si++] & 0xFF;
                uni[ui] |= ch & 0x3F;
                if ((ch & 0xC0) != 0x80 || uni[ui] < 0x800) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
            } else {