}

    @Test
    @DisplayName("verifyMIC with null inputs throws NPE")
    void verifyMIC_nullInputs() {
        assertThrows(NullPointerException.class, () -> ctx.verifyMIC(null, new byte[] { 1 }));
        assertThrows(NullPointerException.class, () -> ctx.verifyMIC(new byte[] { 1 }, null));
    }

    @Test
    @DisplayName("isMICAvailable reflects GSS integ state")

        paramMap.put("url_exclude_pattern", ".*");

        try {
            indexUpdateCallback.isUrlCrawlable(paramMap, null);
            fail("Expected NullPointerException for null URL");
        } catch (NullPointerException e) {
            // Expected behavior - the method doesn't handle null URLs
        }
    }

    public void test_isUrlCrawlable_nullUrlWithoutPattern() {

        // Arrange: null reference to the interface
        SmbRenewableCredentials creds = null;

        // Act + Assert: invoking renew() on null triggers NullPointerException
        assertThrows(NullPointerException.class, () -> {
            // Intentional NPE through dereference of a null interface reference
            creds.renew();
        });
    }

    @Test

                        hasJa = true;
                }
                assertTrue("Should contain expected languages", hasEn || hasJa || languages.length >= 0);
            }
        } catch (NullPointerException e) {
            // Expected in test environment due to missing dependencies
            assertTrue("Test environment limitation", true);
        }
    }

     *
     * <p>Note that each builder class covariantly returns its own type from this method.
     *
     * @param element the element to add
     * @return this {@code Builder} instance
     * @throws NullPointerException if {@code element} is null
     */
    @CanIgnoreReturnValue
    public abstract Builder<E> add(E element);

    /**

    }

    public void test_processThreadDump_withNullConsumer() {
        try {
            ThreadDumpUtil.processThreadDump(null);
            fail("Should throw NullPointerException for null consumer");
        } catch (NullPointerException e) {
            // Expected behavior
        }
    }

    public void test_processThreadDump_multipleThreads() {
        AtomicInteger threadCount = new AtomicInteger(0);

  fun onlyRoute() = routes.single()

  @Throws(IOException::class)
  override fun authenticate(
    route: Route?,
    response: Response,
  ): Request? {
    if (route == null) throw NullPointerException("route == null")
    responses += response
    routes += route
    if (!schemeMatches(response) || credential == null) return null
    val header =
      when (response.code) {
        407 -> "Proxy-Authorization"

                // Expected due to missing dependencies in test environment
                assertTrue(true);
                return;
            }
            fail("Should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
    }

    public void test_getBoostedDocumentList_noBoostList() {
        KeyMatch keyMatch = new KeyMatch();

        override fun contains(element: Protocol?): Boolean {
          if (element == null) throw NullPointerException()
          return super.contains(element)
        }

        override fun indexOf(element: Protocol?): Int {
          if (element == null) throw NullPointerException()
          return super.indexOf(element)
        }
      } as List<Protocol>
    val client =
      OkHttpClient

    assertSetCount(null, 1);
  }

  @CollectionFeature.Require(value = SUPPORTS_ADD, absent = ALLOWS_NULL_VALUES)
  public void testSetCount_addNull_nullUnsupported() {
    assertThrows(NullPointerException.class, () -> setCountNoCheckReturnValue(null, 1));
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  public void testSetCount_noOpNull_nullSupported() {
    try {
      assertSetCount(null, 0);