public HtmlResponse index() {
        saveToken();
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE })
    public HtmlResponse upload(final UploadForm form) {
        validate(form, messages -> {}, this::asListHtml);
        verifyToken(this::asListHtml);
        final String fileName = form.bulkFile.getFileName();

		return BucketRemoteArnTypeInvalid{Bucket: bucket}
	}
	clnt, err := sys.getRemoteTargetClient(tgt)
	if err != nil {
		return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket, Err: err}
	}
	// validate if target credentials are ok
	exists, err := clnt.BucketExists(ctx, tgt.TargetBucket)
	if err != nil {
		switch minio.ToErrorResponse(err).Code {
		case "NoSuchBucket":

		// so we intentionally discard/do not update the list of installedBins on redeploys.
		if _, err := in.installAll(ctx); err != nil {
			return err
		}
		installLog.Info("Istio CNI configuration and binaries validated/reinstalled")
	}
}

// Cleanup remove Istio CNI's config, kubeconfig file, and binaries.
func (in *Installer) Cleanup() error {
	installLog.Info("cleaning up CNI installation")

   *
   * @since 12.0
   */
  void putAll(Map<? extends K, ? extends V> m);

  /** Discards any cached value for key {@code key}. */
  void invalidate(@CompatibleWith("K") Object key);

  /**
   * Discards any cached values for keys {@code keys}.
   *
   * @since 11.0
   */
  // For discussion of <? extends Object>, see getAllPresent.

      public void run() {
        cache.refresh(refreshKey);
        getFinishedSignal.countDown();
      }
    }.start();

    computationStarted.await();
    cache.invalidate(getKey);
    cache.invalidate(refreshKey);
    assertFalse(map.containsKey(getKey));
    assertFalse(map.containsKey(refreshKey));

    // let computation complete
    letGetFinishSignal.countDown();

}

func fixWhConfig(client kube.Client, whConfig *tagWebhookConfig) (*tagWebhookConfig, error) {
	if whConfig.URL != "" {
		webhookURL, err := url.Parse(whConfig.URL)
		if err == nil {
			webhookURL.Path = "/validate"
			whConfig.URL = webhookURL.String()
		}
	}

	// ValidatingWebhookConfiguration failurePolicy is managed by Istiod, so if currently we already have a webhook in cluster

            System.setProperties(oldProps);
        }
    }

    protected int doInvoke(C context) throws Exception {
        pushProperties(context);
        validate(context);
        prepare(context);
        configureLogging(context);
        activateLogging(context);
        helpOrVersionAndMayExit(context);
        preCommands(context);
        container(context);

```

////

//// tab | Python 3.8+

```Python hl_lines="18  23"
{!> ../../docs_src/response_model/tutorial001_01.py!}
```

////

FastAPI will use this return type to:

* **Validate** the returned data.

Você já pode experimentar na documentação interativa:

<img src="/img/tutorial/security/image03.png">

Não estamos verificando a validade do token ainda, mas isso já é um começo

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