public void prepareContents() throws Exception {
    mapsImpl = mapEnums.get(implName);
    elems = new CollectionBenchmarkSampleData(elements);
    contents = new HashMap<>();
    for (Element key : elems.getValuesInSet()) {
      contents.put(key, key);
    }
    map = mapsImpl.create(contents);
  }

  @Benchmark
  @Footprint(exclude = Element.class)
  public Map<Element, Element> create() throws Exception {

  public void testPutAddsValueAtEnd() {
    for (K key : sampleKeys()) {
      for (V value : sampleValues()) {
        resetContainer();

        List<V> values = multimap().get(key);
        List<V> expectedValues = copyToList(values);

        assertTrue(multimap().put(key, value));
        expectedValues.add(value);

        assertGet(key, expectedValues);
        assertEquals(value, values.get(values.size() - 1));

	objectName, err := url.QueryUnescape(eventData.S3.Object.Key)
	if err != nil {
		return err
	}
	key := eventData.S3.Bucket.Name + "/" + objectName

	data, err := json.Marshal(event.Log{EventName: eventData.EventName, Key: key, Records: []event.Event{eventData}})
	if err != nil {
		return err
	}

	headers := make(amqp091.Table)

     *
     * @param map the source map.
     * @param key the key to look up.
     * @return the map value, or {@code null} if not found or not a map.
     */
    @SuppressWarnings("unchecked")
    protected Map<String, Object> getMapValue(final Map<String, Object> map, final String key) {
        final Object value = map.get(key);
        if (value instanceof Map) {
            return (Map<String, Object>) value;

    for (K key : keysToTest) {
      assertEquals(expected.lowerEntry(key), navigableMap.lowerEntry(key));
      assertEquals(expected.floorEntry(key), navigableMap.floorEntry(key));
      assertEquals(expected.ceilingEntry(key), navigableMap.ceilingEntry(key));
      assertEquals(expected.higherEntry(key), navigableMap.higherEntry(key));
      for (boolean inclusive : new boolean[] {false, true}) {

    /**
     * Associates {@code key} with {@code value} in the built map. Duplicate keys are not allowed,
     * and will cause {@link #build} to fail.
     */
    @CanIgnoreReturnValue
    public <T extends B> Builder<B> put(Class<T> key, T value) {
      mapBuilder.put(key, value);
      return this;
    }

    /**

var DefaultKVS = config.KVS{
	config.KV{
		Key:   Speed,
		Value: "default",
	},
	config.KV{
		Key:           IdleSpeed,
		Value:         "",
		HiddenIfEmpty: true,
	},
	config.KV{
		Key:   ExcessVersions,
		Value: "100",
	},
	config.KV{
		Key:   ExcessFolders,
		Value: "50000",
	},

	// Deprecated Oct 2022
	config.KV{
		Key:           Delay,
		Value:         "",
		HiddenIfEmpty: true,

      }
    }

    @Override
    public boolean containsKey(@Nullable Object key) {
      return rangeContains(key) && super.containsKey(key);
    }

    @Override
    public @Nullable V put(C key, V value) {
      checkArgument(rangeContains(checkNotNull(key)));
      return super.put(key, value);
    }
  }

### Module Structure

```
fess-crawler-parent/
├── fess-crawler/              # Core framework
├── fess-crawler-lasta/        # LastaFlute DI integration
└── fess-crawler-opensearch/   # OpenSearch backend
```

### Key Design Patterns

- **Factory**: `CrawlerClientFactory`, `ExtractorFactory` - protocol/format-specific component selection
- **Strategy**: `CrawlerClient`, `Extractor`, `Transformer` - pluggable implementations

    for (K key : multimap().keySet()) {
      assertTrue(multimap().asMap().get(key) instanceof List);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testAsMapRemoveImplementsList() {
    List<K> keys = new ArrayList<>(multimap().keySet());
    for (K key : keys) {
      resetCollection();
      assertTrue(multimap().asMap().remove(key) instanceof List);
    }
  }