import static java.lang.annotation.ElementType.TYPE;

import java.lang.annotation.Target;

/**
 * Disables Animal Sniffer's checking of compatibility with older versions of Java/Android.
 *
 * <p>Each package's copy of this annotation needs to be listed in our {@code pom.xml}.
 */
@Target({METHOD, CONSTRUCTOR, TYPE, FIELD})

import static java.lang.annotation.ElementType.TYPE;

import java.lang.annotation.Target;

/**
 * Disables Animal Sniffer's checking of compatibility with older versions of Java/Android.
 *
 * <p>Each package's copy of this annotation needs to be listed in our {@code pom.xml}.
 */
@Target({METHOD, CONSTRUCTOR, TYPE, FIELD})

{* ../../docs_src/dataclasses/tutorial001.py hl[1,7:12,19:20] *}

Esto sigue siendo soportado gracias a **Pydantic**, ya que tiene <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">soporte interno para `dataclasses`</a>.

{* ../../docs_src/dataclasses/tutorial001.py hl[1,7:12,19:20] *}

Isso ainda é suportado graças ao **Pydantic**, pois ele tem <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">suporte interno para `dataclasses`</a>.

ただし、ブラウザのクライアントに表示させたいカスタムヘッダーがある場合は、<a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">StarletteのCORSドキュメント</a>に記載されているパラメータ `expose_headers` を使用して、それらをCORS設定に追加する必要があります ([CORS (オリジン間リソース共有)](cors.md){.internal-link target=_blank})

///

/// note | 技術詳細

import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates a "top-level" type-variable usage that takes its nullness from the type argument
 * supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns

import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates a "top-level" type-variable usage that takes its nullness from the type argument
 * supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns

If you want to play with JWT tokens and see how they work, check <a href="https://jwt.io/" class="external-link" target="_blank">https://jwt.io</a>.

## Install `PyJWT` { #install-pyjwt }

We need to install `PyJWT` to generate and verify the JWT tokens in Python.

Make sure you create a [virtual environment](../../virtual-environments.md){.internal-link target=_blank}, activate it, and then install `pyjwt`:

<div class="termy">

```console

C'est pourquoi les versions actuelles sont toujours `0.x.x`, cela reflète que chaque version peut potentiellement
recevoir des changements non rétrocompatibles. Cela suit les conventions de <a href="https://semver.org/" class="external-link"
target="_blank">versionnage sémantique</a>.

👆 💪 👀 🌖 ℹ <a href="https://www.starlette.io/background/" class="external-link" target="_blank">💃 🛂 🩺 🖥 📋</a>.

## ⚠

🚥 👆 💪 🎭 🏋️ 🖥 📊 &amp; 👆 🚫 🎯 💪 ⚫️ 🏃 🎏 🛠️ (🖼, 👆 🚫 💪 💰 💾, 🔢, ♒️), 👆 💪 💰 ⚪️➡️ ⚙️ 🎏 🦏 🧰 💖 <a href="https://docs.celeryq.dev" class="external-link" target="_blank">🥒</a>.

👫 😑 🚚 🌖 🏗 📳, 📧/👨‍🏭 📤 👨‍💼, 💖 ✳ ⚖️ ✳, ✋️ 👫 ✔ 👆 🏃 🖥 📋 💗 🛠️, &amp; ✴️, 💗 💽.