return highlightedQuerySet != null ? highlightedQuerySet : new HashSet<>();
    }

    /**
     * Gets the field log map containing field names and their associated query terms.
     * @return The field log map, or empty map if not initialized.
     */
    public Map<String, List<String>> getFieldLogMap() {
        return fieldLogMap != null ? fieldLogMap : new HashMap<>();
    }

  private final ImmutableMap<K, V> map;

  ImmutableMapValues(ImmutableMap<K, V> map) {
    this.map = map;
  }

  @Override
  public int size() {
    return map.size();
  }

  @Override
  public UnmodifiableIterator<V> iterator() {
    return new UnmodifiableIterator<V>() {
      final UnmodifiableIterator<Entry<K, V>> entryItr = map.entrySet().iterator();

      @Override

                      case 0:
                        map.incrementAndGet(key);
                        threadSum++;
                        break;
                      case 1:
                        map.decrementAndGet(key);
                        threadSum--;
                        break;
                      case 2:
                        map.addAndGet(key, delta);
                        threadSum += delta;

    }

    public void test_complex_document_structure() {
        Map<String, Object> doc = new HashMap<>();

        Map<String, Object> nestedMap = new HashMap<>();
        nestedMap.put("nestedKey", "nestedValue");
        doc.put("nested", nestedMap);

        List<Map<String, Object>> listOfMaps = new ArrayList<>();
        listOfMaps.add(nestedMap);

    @Override
    protected Map<AnEnum, String> create(Entry<AnEnum, String>[] entries) {
      Map<AnEnum, String> map = new HashMap<>();
      for (Entry<AnEnum, String> entry : entries) {
        map.put(entry.getKey(), entry.getValue());
      }
      return Maps.immutableEnumMap(map);
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // suite

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();

    /** Output encoding for extracted text. */
    protected String outputEncoding = Constants.UTF_8;

    /** Map of input file extensions to output extensions. */
    private final Map<String, String> extensionMap = new HashMap<>();

    /** Map of output extensions to their corresponding extractors. */
    private final Map<String, Extractor> extractorMap = new HashMap<>();

    /**

    //                                                                   Map Communication
    //                                                                   =================
    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                Map<String, String> map = populate(new HashMap<String, String>(), entries);
                return Collections.checkedMap(map, String.class, String.class);
              }
            })
        .named("checkedMap/HashMap")
        .withFeatures(

            to.add(ArtifactUtils.copyArtifact(artifact));
        }
        return to;
    }

    public static <K, T extends Map<K, Artifact>> T copyArtifacts(Map<K, ? extends Artifact> from, T to) {
        if (from != null) {
            for (Map.Entry<K, ? extends Artifact> entry : from.entrySet()) {
                to.put(entry.getKey(), ArtifactUtils.copyArtifact(entry.getValue()));
            }
        }