Il est tout de même possible d'utiliser `BackgroundTask` seul dans **FastAPI**, mais dans ce cas il faut créer l'objet dans le code et renvoyer une `Response` Starlette l'incluant.

}

func (e errorCodeMap) ToAPIErr(errCode APIErrorCode) APIError {
	return e.ToAPIErrWithErr(errCode, nil)
}

// error code to APIError structure, these fields carry respective
// descriptions for all the error responses.
var errorCodes = errorCodeMap{
	ErrInvalidCopyDest: {
		Code:           "InvalidRequest",

  - `response.patch` and `response.patchType` are not permitted from validating admission webhooks
  - `apiVersion: "admission.k8s.io/v1"` is required
  - `kind: "AdmissionReview"` is required
  - `response.uid: "<value of request.uid>"` is required

	return &plugin
}

// AuthNSuccessResponse - represents the response from the authentication plugin
// service.
type AuthNSuccessResponse struct {
	User               string         `json:"user"`
	MaxValiditySeconds int            `json:"maxValiditySeconds"`
	Claims             map[string]any `json:"claims"`
}

// AuthNErrorResponse - represents an error response from the authN plugin.
type AuthNErrorResponse struct {

        final String aliasName = "test-alias";

        // Create index with alias
        final CreateIndexResponse response =
                client.admin().indices().prepareCreate(indexName).addAlias(new Alias(aliasName)).execute().actionGet();
        assertTrue("Index creation should be acknowledged", response.isAcknowledged());

        final Suggester suggester = Suggester.builder().build(client, "test");

 * limitations under the License.
 */
package okhttp3

import java.nio.charset.Charset

/**
 * An [RFC 2045][rfc_2045] Media Type, appropriate to describe the content type of an HTTP request
 * or response body.
 *
 * [rfc_2045]: http://tools.ietf.org/html/rfc2045
 */
class MediaType internal constructor(
  internal val mediaType: String,
  /**

Dann können wir einen `AsyncClient` mit der App erstellen und mit `await` asynchrone Requests an ihn senden.

{* ../../docs_src/async_tests/app_a_py39/test_main.py hl[9:12] *}

Das ist das Äquivalent zu:

```Python
response = client.get('/')
```

... welches wir verwendet haben, um unsere Requests mit dem `TestClient` zu machen.

/// tip | Tipp

```

### Using WebIdentiy API

On another terminal run `web-identity.go` a sample client application which obtains JWT id_tokens from an identity provider, in our case its Keycloak. Uses the returned id_token response to get new temporary credentials from the MinIO server using the STS API call `AssumeRoleWithWebIdentity`.

```

     *
     * @param buf the buffer containing the transaction data
     * @param off the offset in the buffer
     * @param length the length of data to send
     * @param inB the buffer to receive the response
     * @param maxRecvCnt the maximum number of bytes to receive
     * @return len the number of bytes received
     * @throws IOException if an I/O error occurs
     */

        }

        @Test
        @DisplayName("Should be usable as both request and response")
        void testDualInterfaceUsage() {
            PreauthIntegrityNegotiateContext context = new PreauthIntegrityNegotiateContext();

            NegotiateContextRequest request = context;
            NegotiateContextResponse response = context;