protected Equivalence() {}

  /**
   * Returns {@code true} if the given objects are considered equivalent.
   *
   * <p>This method describes an <i>equivalence relation</i> on object references, meaning that for
   * all references {@code x}, {@code y}, and {@code z} (any of which may be null):
   *
   * <ul>
   *   <li>{@code equivalent(x, x)} is true (<i>reflexive</i> property)

   * intern(a)} is permitted to return one instance now and a different instance later if the
   * original interned instance was garbage-collected.
   *
   * <p><b>Warning:</b> do not use with mutable objects.
   *
   * @throws NullPointerException if {@code sample} is null
   */
  E intern(E sample);

 * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime
 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 * @since 3.0

Para lograr eso, importa `JSONResponse`, y devuelve tu contenido allí directamente, configurando el `status_code` que deseas:

{* ../../docs_src/additional_status_codes/tutorial001_an_py310.py hl[4,25] *}

/// warning | Advertencia

Cuando devuelves un `Response` directamente, como en el ejemplo anterior, se devuelve directamente.

No se serializará con un modelo, etc.

from starlette.status import HTTP_401_UNAUTHORIZED


class OpenIdConnect(SecurityBase):
    """
    OpenID Connect authentication class. An instance of it would be used as a
    dependency.

    **Warning**: this is only a stub to connect the components with OpenAPI in FastAPI,
    but it doesn't implement the full OpenIdConnect scheme, for example, it doesn't use

   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},

   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},

O Pydantic v1 está agora descontinuado e o suporte a ele será removido nas próximas versões do FastAPI, você deveria migrar para o Pydantic v2. Assim, você terá as funcionalidades, melhorias e correções mais recentes.

/// warning | Atenção

Além disso, a equipe do Pydantic interrompeu o suporte ao Pydantic v1 para as versões mais recentes do Python, a partir do **Python 3.14**.

import org.apache.maven.project.DependencyResolutionResult;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.RepositorySystemSession;

/**
 * Caches project artifacts. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */

Если по каким-то причинам вам нужно отключить данное автоматическое преобразование, это можно сделать и для Pydantic-моделей для header-параметров.

{* ../../docs_src/header_param_models/tutorial003_an_py310.py hl[19] *}

/// warning | Внимание

Перед тем как устанавливать для параметра `convert_underscores` значение `False`, имейте в виду, что некоторые HTTP-прокси и серверы не разрешают использовать заголовки с символами подчеркивания.

///