### Data protection

    return emptySet();
  }

  @SuppressWarnings("EmptyList") // We specifically want to test emptyList()
  public Test testsForEmptyList() {
    return ListTestSuiteBuilder.using(
            new TestStringListGenerator() {
              @Override
              public List<String> create(String[] elements) {
                return emptyList();
              }
            })

Every time you "log in with" Facebook, Google, GitHub, Microsoft, X (Twitter), that application is using OAuth2 with scopes.

In this section you will see how to manage authentication and authorization with the same OAuth2 with scopes in your **FastAPI** application.

/// warning

# Upload with server side encryption, using temporary credentials
s3.meta.client.upload_file('/etc/hosts',
                           'testbucket',
                           'hosts',
                           ExtraArgs={'ServerSideEncryption': 'AES256'})

# Download encrypted object using temporary credentials

    private static final byte[] DECLABEL_311 = toCBytes("SMB2S2CCipherKey");

    /**
     *
     */
    private Smb3KeyDerivation() {
    }

    /**
     * Derives the SMB3 signing key from the session key using the appropriate KDF for the dialect.
     *
     * @param dialect the SMB dialect version
     * @param sessionKey the base session key
     * @param preauthIntegrity the pre-authentication integrity hash (for SMB 3.1.1) or null

        // Restore system properties and clean up static state
        System.setProperties(originalSystemProperties);
        resetHandlerState();
    }

    /**
     * Resets the static state of the Handler class using reflection.
     * This is crucial for ensuring that tests are isolated from each other.
     */
    private void resetHandlerState() throws Exception {
        // Reset the static factory field

![Grafana](https://raw.githubusercontent.com/minio/minio/master/docs/metrics/prometheus/grafana/replication/grafana-replication-node.png)

http://localhost:8000/items/
```

the default of `q` will be: `["foo", "bar"]` and your response will be:

```JSON
{
  "q": [
    "foo",
    "bar"
  ]
}
```

#### Using just `list` { #using-just-list }

You can also use `list` directly instead of `list[str]`:

{* ../../docs_src/query_params_str_validations/tutorial013_an_py39.py hl[9] *}

/// note

    return emptySet();
  }

  protected Collection<Method> suppressForPriorityQueue() {
    return emptySet();
  }

  public Test testsForArrayDeque() {
    return QueueTestSuiteBuilder.using(
            new TestStringQueueGenerator() {
              @Override
              public Queue<String> create(String[] elements) {
                return new ArrayDeque<>(MinimalCollection.of(elements));
              }

tasks inside the background task itself, and use internally only data that doesn't depend on the resources of dependencies with `yield`.

For example, instead of using the same database session, you would create a new database session inside of the background task, and you would obtain the objects from the database using this new session. And then instead of passing the object from the database as a parameter to the background task function, you would pass the ID of that object and then obtain...