/// tip

We'll discuss the `@lru_cache` in a bit.

For now you can assume `get_settings()` is a normal function.

///

And then we can require it from the *path operation function* as a dependency and use it anywhere we need it.

{* ../../docs_src/settings/app02_an_py39/main.py hl[17,19:21] *}

### Settings and testing { #settings-and-testing }

            return OptionalEntity.empty();
        });
    }

    /**
     * Gets the action response for the specified SSO response type.
     *
     * SPNEGO authentication typically doesn't require special response handling
     * for metadata or logout operations, so this method returns null.
     *
     * @param responseType The type of SSO response requested

	})
	if err != nil {
		return nil, err
	}
	api.SetAppInfo("minio-replication-target", ReleaseTag+" "+tcfg.Arn)

	hcDuration := defaultHealthCheckDuration
	if tcfg.HealthCheckDuration >= 1 { // require minimum health check duration of 1 sec.
		hcDuration = tcfg.HealthCheckDuration
	}
	tc := &TargetClient{
		Client:              api,
		healthCheckDuration: hcDuration,
		replicateSync:       tcfg.ReplicationSync,

		}
		val := map[string][]string(*u)
		urlValuesPool.Put(val)
		*u = nil
	}
}

// MarshalMsg implements msgp.Marshaler
func (u URLValues) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, u.Msgsize())
	o = msgp.AppendMapHeader(o, uint32(len(u)))
	for zb0006, zb0007 := range u {
		o = msgp.AppendString(o, zb0006)
		o = msgp.AppendArrayHeader(o, uint32(len(zb0007)))
		for zb0008 := range zb0007 {

    private DelegatingConfiguration delegatingConfig;

    @BeforeEach
    void setUp() {
        delegatingConfig = new DelegatingConfiguration(mockDelegate);
    }

    @Test
    @DisplayName("Constructor should require non-null delegate")
    void testConstructorWithNullDelegate() {
        // When & Then
        assertDoesNotThrow(() -> {
            new DelegatingConfiguration(null);

# SQL (Relational) Databases { #sql-relational-databases }

**FastAPI** doesn't require you to use a SQL (relational) database. But you can use **any database** that you want.

Here we'll see an example using <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a>.

| Params     | Value    |
| :--        | :--      |
| *Type*     | *String* |
| *Required* | *No*     |

### RoleArn

The role ARN to use. This must be specified if and only if the web identity provider is configured with a role policy.

| Params     | Value    |
| :--        | :--      |
| *Type*     | *String* |
| *Required* | *No*     |

### Version

                            && !conn.getNegotiateResponse().isSigningRequired()) {
                        // if signing is not enforced, dont use connections that have signing enforced
                        // for purposes that dont require it.
                        if (log.isTraceEnabled()) {
                            log.debug("Cannot reuse, signing enforced on connection " + conn);
                        }
                        continue;

            }

            if (request instanceof final SmbComTreeConnectAndX tcax) {
                if (netbiosName != null && tcax.path.endsWith("\\IPC$")) {
                    /* Some pipes may require that the hostname in the tree connect
                     * be the netbios name. So if we have the netbios server name
                     * from the NTLMSSP type 2 message, and the share is IPC$, we

   *  * [OkHttpClient.authenticator] must respond to an authorization challenge.
   *
   * @param networkResponse the intermediate response that may require a follow-up request.
   * @param nextRequest the follow-up request that will be made. Null if no follow-up will be made.
   */
  open fun followUpDecision(
    call: Call,
    networkResponse: Response,