expectUnchanged();
    expectNullKeyMissingWhenNullKeysUnsupported(
        "Should not contain null key after unsupported put(null, value)");
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testPut_nullValueSupported() {
    assertNull("put(key, null) should return null", put(nullValueEntry));
    expectAdded(nullValueEntry);
  }

        return emptyList()
      }

    var cookies: MutableList<Cookie>? = null
    for ((key, value) in cookieHeaders) {
      if (("Cookie".equals(key, ignoreCase = true) || "Cookie2".equals(key, ignoreCase = true)) &&
        value.isNotEmpty()
      ) {
        for (header in value) {
          if (cookies == null) cookies = mutableListOf()

    @Override
    @J2ktIncompatible
        Object writeReplace() {
      return super.writeReplace();
    }
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    return forwardDelegate.get(key);
  }

  @Override
  ImmutableSet<Entry<K, V>> createEntrySet() {
    return new ImmutableMapEntrySet.RegularEntrySet<>(this, entries);
  }

  @Override

        if (fessConfig.isWebApiPopularWord()) {
            final List<String> tagList = new ArrayList<>();
            final String key = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
            if (StringUtil.isNotBlank(key)) {
                tagList.add(key);
            }
            runtime.registerData("popularWords", popularWordHelper.getWordList(SearchRequestType.SEARCH, null,

     * @param key the key to look up
     * @param defaultValue the default value to return if key is not found or value is blank
     * @return the value from the map or the default value
     */
    private String getValueFromMap(final Map<String, String> dataMap, final String key, final String defaultValue) {
        final String value = dataMap.get(key);
        if (StringUtil.isBlank(value)) {

    }

    @Override
    public String toString() {
        return "CrawlingInfoParam [crawlingInfo=" + crawlingInfo + ", crawlingInfoId=" + crawlingInfoId + ", createdTime=" + createdTime
                + ", key=" + key + ", value=" + value + ", docMeta=" + docMeta + "]";
    }

                parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();
  }

  @Override
  TestSuite computeMultimapAsMapGetTestSuite(
      FeatureSpecificTestSuiteBuilder<

        assertNull(coordinatorHelper.getMapValue(map, "key"));
    }

    @Test
    public void test_getMapValue_missing() {
        final Map<String, Object> map = Map.of("key", "value");
        assertNull(coordinatorHelper.getMapValue(map, "nonexistent"));
    }

    @Test
    public void test_getListValue_exists() {

    assertThrows(NullPointerException.class, () -> getMap().putIfAbsent(null, v3()));
    expectUnchanged();
    expectNullKeyMissingWhenNullKeysUnsupported(
        "Should not contain null key after unsupported putIfAbsent(null, value)");
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutIfAbsent_nullValueUnsupportedAndKeyAbsent() {

        val sortedChanges = originalChanges.mapValues {
            sortChanges(it.value)
        }

        val mismatches = originalChanges.mapValues {
            findMismatches(it.value, sortedChanges[it.key]!!)
        }.filterValues {
            it.isNotEmpty()
        }

        if (mismatches.isNotEmpty()) {
            val formattedMismatches = mismatches.mapValues { mismatch ->