<dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-file</artifactId>
    </dependency>
    <!-- HTTP/1.1, lowest priority, Java8+ (still must as some ITs force it) -->
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-wagon</artifactId>
    </dependency>
    <!-- HTTP/1.1, medium priority, Java8+ -->
    <dependency>

/// note | Підказка

Ця функція підтримується, починаючи з FastAPI версії `0.114.0`. 🤓

///

Ви можете використати конфігурацію Pydantic-моделі, щоб заборонити `forbid` будь-які додаткові `extra` поля:

{* ../../docs_src/request_form_models/tutorial002_an_py39.py hl[12] *}

Якщо клієнт спробує надіслати додаткові дані, він отримає **відповідь з помилкою**.

    testAddAndRemove(new ConcurrentSkipListMap<>());
  }

  public void testAddAndRemove_mapMakerMap() throws Exception {
    MapMaker mapMaker = new MapMaker();
    // force MapMaker to use its own MapMakerInternalMap
    mapMaker.useCustomMap = true;
    testAddAndRemove(mapMaker.makeMap());
  }

  private void testAddAndRemove(ConcurrentMap<String, AtomicInteger> map)

    CipherSuite.TLS_AES_128_CCM_SHA256,
    CipherSuite.TLS_AES_128_CCM_8_SHA256,
  )

/**
 * A TLS 1.3 only Connection Spec. This will be eventually be exposed
 * as part of MODERN_TLS or folded into the default OkHttp client once published and
 * available in JDK11 or Conscrypt.
 */
private val TLS_13 =
  ConnectionSpec
    .Builder(true)
    .cipherSuites(*TLS13_CIPHER_SUITES.toTypedArray())

 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)
 *   <li>methods whose return type is a type variable but which can return {@code null} regardless
 *       of the type argument supplied by the user of the class: For example, {@code

 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)
 *   <li>methods whose return type is a type variable but which can return {@code null} regardless
 *       of the type argument supplied by the user of the class: For example, {@code

<div class="screenshot">
<img src="/img/tutorial/header-param-models/image01.png">
</div>

## 추가 헤더 금지하기

일부 특별한 사용 사례(흔하지는 않겠지만)에서는 수신하려는 헤더를 **제한**할 수 있습니다.

Pydantic의 모델 구성을 사용하여 추가(`extra`) 필드를 금지(`forbid`)할 수 있습니다:

{* ../../docs_src/header_param_models/tutorial002_an_py310.py hl[10] *}

클라이언트가 **추가 헤더**를 보내려고 시도하면, **오류** 응답을 받게 됩니다.

   *
   * <p>NOTE: an IPv6 address coerced to an IPv4 address can only be used for such purposes as
   * rudimentary identification or indexing into a collection of real {@link InetAddress}es. They
   * cannot be used as real addresses for the purposes of network communication.
   *
   * @param ip {@link InetAddress} to convert
   * @return {@code int}, "coerced" if ip is not an IPv4 address
   * @since 7.0
   */

	return nil
}

// Remove removes tier if it is empty.
func (config *TierConfigMgr) Remove(ctx context.Context, tier string, force bool) error {
	d, err := config.getDriver(ctx, tier)
	if err != nil {
		if errors.Is(err, errTierNotFound) {
			return nil
		}
		return err
	}
	if !force {
		if inuse, err := d.InUse(ctx); err != nil {
			return err
		} else if inuse {
			return errTierBackendNotEmpty
		}

### Helpers
- Cross-cutting utilities in `helper.*`
- Stateless, injected via DI
- Access via `ComponentUtil.getFooHelper()`

## Development Notes

- **Code Style**: Enforced by `mvn formatter:format`
- **License Headers**: Required (Apache 2.0) - use `mvn license:format`
- **Logging**: Log4j2 - `src/main/resources/log4j2.xml`
- **i18n**: All user-facing strings in `fess_label_*.properties`