if err != nil {
		return err
	}
	config.Tiers[tierName] = cfg
	config.drivercache[tierName] = d
	return nil
}

// Bytes returns msgpack encoded config with format and version headers.
func (config *TierConfigMgr) Bytes() ([]byte, error) {
	config.RLock()
	defer config.RUnlock()
	data := make([]byte, 4, config.Msgsize()+4)

	// Initialize the header.

{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[30:38] hl[31:33] *}

Da `generate_stream()` die Datenbanksession jedoch nicht verwendet, ist es nicht wirklich notwendig, die Session während des Sendens der Response offen zu halten.

Wenn Sie diesen spezifischen Anwendungsfall mit SQLModel (oder SQLAlchemy) haben, könnten Sie die Session explizit schließen, nachdem Sie sie nicht mehr benötigen:

All the security schemes defined in OpenAPI, including:

* HTTP Basic.
* **OAuth2** (also with **JWT tokens**). Check the tutorial on [OAuth2 with JWT](tutorial/security/oauth2-jwt.md).
* API keys in:
    * Headers.
    * Query parameters.
    * Cookies, etc.

Plus all the security features from Starlette (including **session cookies**).

Todos os esquemas de seguranças definidos no OpenAPI, incluindo:

* HTTP Basic.
* **OAuth2** (também com **tokens JWT**). Confira o tutorial em [OAuth2 com JWT](tutorial/security/oauth2-jwt.md).
* Chaves de API em:
    * Headers.
    * parâmetros da Query.
    * Cookies etc.

Além disso, todos os recursos de segurança do Starlette (incluindo **cookies de sessão**).

 * canceling may break the entire connection.
 */
class RealCall(
  val client: OkHttpClient,
  /** The application's original request unadulterated by redirects or auth headers. */
  val originalRequest: Request,
  val forWebSocket: Boolean,
) : Call,
  Cloneable,
  Lockable {
  private val connectionPool: RealConnectionPool = client.connectionPool.delegate

  @Volatile

import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.collect.testing.testers.MapEntrySetTester;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;

 * It extends {@link HcHttpClient} and provides various configurations and settings
 * for making HTTP requests, including connection timeouts, proxy settings, user agent,
 * request headers, cookie management, and SSL configurations. The client also supports
 * robots.txt parsing and form-based authentication schemes.
 *
 * @see HcHttpClient
 */
public class Hc5HttpClient extends HcHttpClient {

    // definition for OkHttp's host header checks (and the WHATWG Host syntax definition). Here
    // we rule out characters that would cause problems in host headers.
    if (c <= '\u001f' || c >= '\u007f') {
      return true
    }
    // Check for the characters mentioned in the WHATWG Host parsing spec:

Todas las dependencias que hemos visto son una función o clase fija.

Pero podría haber casos en los que quieras poder establecer parámetros en la dependencia, sin tener que declarar muchas funciones o clases diferentes.

Imaginemos que queremos tener una dependencia que revise si el parámetro de query `q` contiene algún contenido fijo.

Pero queremos poder parametrizar ese contenido fijo.

* **Editör desteği**.
* **Tip kontrolleri**.

...ve **FastAPI** aynı bildirimleri şunlar için de kullanır:

* **Gereksinimleri tanımlamak**: request path parameters, query parameters, headers, bodies, bağımlılıklar (dependencies), vb.
* **Veriyi dönüştürmek**: request'ten gerekli tipe.
* **Veriyi doğrulamak**: her request'ten gelen veriyi:
    * Veri geçersiz olduğunda client'a dönen **otomatik hatalar** üretmek.