* If this method returns <code>null</code> the <code>SmbAuthException</code> that triggered the authenticator check will simply be rethrown. The default implementation returns <code>null</code>.
     * @return the authentication credentials or null if none available
     */
    protected NtlmPasswordAuthentication getNtlmPasswordAuthentication() {

        File baseDirectory = new File(args[0]);
        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());

        // If the maven-wrapper.properties exists, read it and check if it contains a custom
        // wrapperUrl parameter.
        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
        String url = DEFAULT_DOWNLOAD_URL;

                return provider;
            }
        }

        log.warn("No RDMA providers available");
        return null;
    }

    /**
     * Check if any RDMA provider is available
     *
     * @return true if at least one RDMA provider is available
     */
    public static boolean isRdmaAvailable() {
        return selectBestProvider() != null;
    }

			defer wg.Done()
			// remember the pool index, we may sort the slice original index might be lost.
			pinfo := PoolObjInfo{
				Index: i,
			}
			// do not remove this check as it can lead to inconsistencies
			// for all callers of bucket replication.
			if !opts.MetadataChg {
				opts.VersionID = ""
			}
			pinfo.ObjInfo, pinfo.Err = pool.GetObjectInfo(ctx, bucket, object, opts)

{* ../../docs_src/query_params/tutorial002_py310.py hl[7] *}

У цьому випадку параметр функції `q` буде необов’язковим і за замовчуванням матиме значення `None`.

/// check | Перевірте

Також зверніть увагу, що **FastAPI** достатньо розумний, щоб визначити, що параметр шляху `item_id` є параметром шляху, а `q` — ні, отже, це параметр query.

///

URL’yi ilk kez açmaya çalıştığınızda (veya dokümanlardaki "Execute" butonuna tıkladığınızda) tarayıcı sizden kullanıcı adınızı ve şifrenizi ister:

<img src="/img/tutorial/security/image12.png">

## Kullanıcı adını kontrol edin { #check-the-username }

Daha kapsamlı bir örneğe bakalım.

Kullanıcı adı ve şifrenin doğru olup olmadığını kontrol etmek için bir dependency kullanın.

namespace {

using ::tensorflow::string;

// Add the values of three variables on three different tasks.
string AddVariablesFunction() {
  tensorflow::FunctionDef def;
  CHECK(tensorflow::protobuf::TextFormat::ParseFromString(
      "    signature {"
      "      name: 'AddVariablesFunction'"
      "      input_arg {"
      "        name: 'var'"
      "        type: DT_RESOURCE"
      "      }"

/// tip

To know more about each status code and which code is for what, check the [<abbr title="Mozilla Developer Network">MDN</abbr> documentation about HTTP status codes](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status).

///

## Shortcut to remember the names { #shortcut-to-remember-the-names }

/// info

Notez que `response_description` se réfère spécifiquement à la réponse, tandis que `description` se réfère au *chemin d'accès* en général.

///

/// check | Vérifications

OpenAPI spécifie que chaque *chemin d'accès* requiert une description de réponse.

Donc, si vous n'en fournissez pas, **FastAPI** en générera automatiquement une « Réponse réussie ».

///

### 메서드 오버라이드하기 { #override-the-method }

이제 `.openapi()` 메서드를 새 함수로 교체할 수 있습니다.

{* ../../docs_src/extending_openapi/tutorial001_py310.py hl[29] *}

### 확인하기 { #check-it }

[http://127.0.0.1:8000/redoc](http://127.0.0.1:8000/redoc)로 이동하면 커스텀 로고(이 예시에서는 **FastAPI** 로고)를 사용하는 것을 확인할 수 있습니다: