import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * GWT implementation of {@link ImmutableMap} that forwards to another map.
 *
 * @author Hayward Chan
 */
public abstract class ForwardingImmutableMap<K, V> extends ImmutableMap<K, V> {

  final transient Map<K, V> delegate;

import com.google.common.primitives.Ints;
import java.util.Random;
import java.util.concurrent.atomic.AtomicLong;
import org.jspecify.annotations.NullUnmarked;

/**
 * Single-threaded benchmark for {@link LoadingCache}.
 *
 * @author Charles Fry
 */
@NullUnmarked
public class LoadingCacheSingleThreadBenchmark {
  @Param({"1000", "2000"})
  int maximumSize;

  @Param("5000")
  int distinctKeys;

 * This is a <code>ToolchainFactory</code> Plexus component registered with
 * <code>jdk</code> hint.
 *
 * @since 2.0.9, renamed from <code>DefaultJavaToolchainFactory</code> in 3.2.4
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainFactory} instead.
 */
@Deprecated(since = "4.0.0")
public class JavaToolchainFactory implements ToolchainFactory {
    private final Logger logger = LoggerFactory.getLogger(getClass());

## `main.py`を作成

`main.py`に、下記の例をコピーします:

{* ../../docs_src/security/tutorial001.py *}

## 実行

/// info | 情報

まず<a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>をインストールします。

例えば、`pip install python-multipart`。

これは、**OAuth2**が `ユーザー名` や `パスワード` を送信するために、「フォームデータ」を使うからです。

///

例を実行します:

<div class="termy">

```console

import org.jspecify.annotations.NullUnmarked;
import org.mockito.Mockito;

/**
 * Tests for {@link ClosingFuture}. Subclasses exercise either the {@link
 * ClosingFuture#finishToFuture()} or {@link
 * ClosingFuture#finishToValueAndCloser(ValueAndCloserConsumer, Executor)} paths to complete a
 * {@link ClosingFuture} pipeline.
 */
@NullUnmarked
public abstract class AbstractClosingFutureTest extends TestCase {

Mas por enquanto, vamos verificar essas importantes **ideias conceituais**. Esses conceitos também se aplicam a qualquer outro tipo de API da web. 💡

## Segurança - HTTPS

No [capítulo anterior sobre HTTPS](https.md){.internal-link target=_blank} aprendemos como o HTTPS fornece criptografia para sua API.

Também vimos que o HTTPS normalmente é fornecido por um componente **externo** ao seu servidor de aplicativos, um **Proxy de terminação TLS**.

)
```

/// info

For a more complete explanation of `**user_dict` check back in [the documentation for **Extra Models**](../extra-models.md#about-user-in-dict){.internal-link target=_blank}.

///

## Return the token { #return-the-token }

The response of the `token` endpoint must be a JSON object.

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link Map} implementations in the {@link java.util} package.
 * Can be subclassed to specify tests that should be suppressed.
 *
 * @author Kevin Bourrillion
 */
@GwtIncompatible
public class TestsForMapsInJavaUtil {

# CORS (オリジン間リソース共有)

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">CORSまたは「オリジン間リソース共有」</a> は、ブラウザで実行されているフロントエンドにバックエンドと通信するJavaScriptコードがあり、そのバックエンドがフロントエンドとは異なる「オリジン」にある状況を指します。

## オリジン

オリジンはプロトコル (`http`、`https`) とドメイン (`myapp.com`、`localhost`、`localhost.tiangolo.com`) とポート (`80`、`443`、`8080`) の組み合わせです。

したがって、以下はすべて異なるオリジンです:

* `http://localhost`
* `https://localhost`

import java.util.Collection;
import java.util.LinkedList;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link ForwardingCollection}.
 *
 * @author Robert Konigsberg
 * @author Hayward Chan
 * @author Louis Wasserman
 */
@NullUnmarked
public class ForwardingCollectionTest extends TestCase {