assertThrows(IllegalStateException.class, () -> sha1.putInt(42));
  }

  public void testHashTwice() {
    Hasher sha1 = Hashing.sha1().newHasher();

    assertEquals(
        "2fd4e1c67a2d28fced849ee1bb76e7391b93eb12",
        sha1.putString("The quick brown fox jumps over the lazy dog", UTF_8).hash().toString());
    assertThrows(IllegalStateException.class, () -> sha1.hash());
  }

    throw new InvalidObjectException("Use EnumSerializedForm");
  }

  /*
   * This class is used to serialize ImmutableEnumMap instances.
   */
  @J2ktIncompatible // serialization
  private static class EnumSerializedForm<K extends Enum<K>, V> implements Serializable {
    final EnumMap<K, V> delegate;

    EnumSerializedForm(EnumMap<K, V> delegate) {

import org.checkerframework.checker.nullness.qual.Nullable;

/** Aggregate future that collects (stores) results of each future. */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
abstract class CollectionFuture<V extends @Nullable Object, C extends @Nullable Object>
    extends AggregateFuture<V, C> {
  /*
   * We access this field racily but safely. For discussion of a similar situation, see the comments

```

### 查看文档

如果主文件是 `main.py`，则用以下 `uvicorn` 命令运行主应用：

<div class="termy">

```console
$ uvicorn main:app --reload

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

</div>

查看文档 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs。</a>

下图显示的是主应用 API 文档，只包括其自有的*路径操作*。

from fastapi import FastAPI, Form
from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):

import junit.framework.TestCase;

/** Unit tests for {@link ForwardingListeningExecutorService} */
public class ForwardingListeningExecutorServiceTest extends TestCase {
  public void testForwarding() {
    ForwardingObjectTester.testForwardingObject(ForwardingListeningExecutorService.class);
  }

/**
 * @author shinsuke
 * @author Shunji Makino
 */
public class AdminGeneralAction extends FessAdminAction {

    public static final String ROLE = "admin-general";

    private static final String DUMMY_PASSWORD = "**********";

    private static final Logger logger = LogManager.getLogger(AdminGeneralAction.class);

    // ===================================================================================

    protected MessageManager getMessageManager() {
        return ContainerUtil.getComponent(MessageManager.class);
    }

    protected AsyncManager getAsyncManager() {
        return ContainerUtil.getComponent(AsyncManager.class);
    }

import junit.framework.TestSuite;

/**
 * Unit test for {@link HashMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class HashMultisetTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(

import java.util.List;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Package up sample data for common collections benchmarking.
 *
 * @author Nicholaus Shupe
 */
class CollectionBenchmarkSampleData {
  private final boolean isUserTypeFast;
  private final SpecialRandom random;
  private final double hitRate;
  private final int size;

  private final Set<Element> valuesInSet;