K key = entry.getKey();
      Collection<V> collection = filterCollection(entry.getValue(), new ValuePredicate(key));
      if (!collection.isEmpty()
          && predicate.apply(Maps.<K, Collection<V>>immutableEntry(key, collection))) {
        if (collection.size() == entry.getValue().size()) {
          entryIterator.remove();
        } else {
          collection.clear();
        }

      ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.buildOrThrow();
    }
  }

  public static class ImmutableMapCopyOfGenerator extends TestStringMapGenerator {
    @Override

        asDocMeta().version(version);
    }

    public Locale getLocale() {
        if (locale == null) {
            if (getValue() == null) {
                return Locale.ROOT;
            }
            locale = ComponentUtil.getFessConfig().getQueryLocaleFromName(getValue());
        }
        return locale;
    }

    @Override
    public String toString() {

        @Override
        public K getKey() {
          return ArrayMap.this.getKey(index);
        }

        @Override
        @ParametricNullness
        public V getValue() {
          return ArrayMap.this.getValue(index);
        }

        @Override
        @ParametricNullness
        public V setValue(@ParametricNullness V value) {
          return ArrayMap.this.setValue(index, value);

        toImmutableTable(Cell::getRowKey, t -> null, Cell::getValue);
    assertThrows(
        NullPointerException.class,
        () -> Stream.of(immutableCell("one", "uno", 1)).collect(collector));
  }

  // https://youtrack.jetbrains.com/issue/KT-58242/. Crash when getValue result (null) is unboxed
  @J2ktIncompatible
  public void testToImmutableTableNullValue() {
    {

            for (final Map<String, Object> doc : docList) {
                final String urlObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                if (urlObj != null && urlList.contains(urlObj)) {
                    final String docIdObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                    if (docIdObj != null) {

        assertEquals(expected, DocumentUtil.getValue(doc, "key1", String.class));
        assertEquals(Integer.parseInt(expected), DocumentUtil.getValue(doc, "key1", Integer.class).intValue());
        assertEquals(Long.parseLong(expected), DocumentUtil.getValue(doc, "key1", Long.class).longValue());
        assertEquals(Float.parseFloat(expected), DocumentUtil.getValue(doc, "key1", Float.class).floatValue());

        return ImmutableMap.<K, V>of(entry.getKey(), entry.getValue());
      default:
        Map<K, V> orderPreservingCopy = Maps.newLinkedHashMap();
        for (Entry<? extends K, ? extends V> e : map.entrySet()) {
          orderPreservingCopy.put(checkNotNull(e.getKey()), checkNotNull(e.getValue()));
        }
        return new RegularImmutableMap<K, V>(orderPreservingCopy);
    }
  }

                parameterMap.putAll(getParameterMapFromQueryString(req, entry.getValue()));
                for (final Map.Entry<String, String[]> paramEntry : parameterMap.entrySet()) {
                    final String[] values = paramEntry.getValue();
                    if (values == null) {
                        continue;
                    }

  }

  override fun isValid(): Boolean = delegate!!.isValid

  override fun putValue(
    s: String,
    o: Any,
  ) {
    delegate!!.putValue(s, o)
  }

  override fun getValue(s: String): Any = delegate!!.getValue(s)

  override fun removeValue(s: String) {
    delegate!!.removeValue(s)
  }

  override fun getValueNames(): Array<String> = delegate!!.valueNames