final CountDownLatch doneLatch = new CountDownLatch(numberOfThreads);
    for (int i = numberOfThreads; i > 0; i--) {
      @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
      Future<?> possiblyIgnoredError =
          executorService.submit(
              new Callable<@Nullable Void>() {
                @Override

 * that affects its {@link Object#equals} behavior. Undefined behavior and bugs will result.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multimap">{@code Multimap}</a>.
 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

 *
 * <ul>
 *   <li>{@link ImmutableBiMap}
 *   <li>{@link HashBiMap}
 *   <li>{@link EnumBiMap}
 *   <li>{@link EnumHashBiMap}
 * </ul>
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() throws NoSuchMethodException {
    NullPointerTester tester = new NullPointerTester();
    // Necessary until JDK15:
    // https://bugs.openjdk.org/browse/JDK-8202469
    tester.ignore(Equivalence.class.getMethod("wrap", Object.class));

    tester.testAllPublicStaticMethods(Equivalence.class);

  /** Name of JIT compiler to use. */
  JAVA_COMPILER("java.compiler"),

  /**
   * Path of extension directory or directories.
   *
   * @deprecated This property was <a
   *     href="https://openjdk.java.net/jeps/220#Removed:-The-extension-mechanism">deprecated</a> in
   *     Java 8 and removed in Java 9. We do not plan to remove this API from Guava, but if you are
   *     using it, it is probably not doing what you want.

 * that affects its {@link Object#equals} behavior. Undefined behavior and bugs will result.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multimap">{@code Multimap}</a>.
 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

```

## 독스트링으로 만든 기술

설명은 보통 길어지고 여러 줄에 걸쳐있기 때문에, *경로 작동* 기술을 함수 <abbr title="함수안에 있는 첫번째 표현식으로, 문서로 사용될 여러 줄에 걸친 (변수에 할당되지 않은) 문자열"> 독스트링</abbr> 에 선언할 수 있습니다, 이를 **FastAPI**가 독스트링으로부터 읽습니다.

<a href="https://ko.wikipedia.org/wiki/%EB%A7%88%ED%81%AC%EB%8B%A4%EC%9A%B4" class="external-link" target="_blank">마크다운</a> 문법으로 독스트링을 작성할 수 있습니다, 작성된 마크다운 형식의 독스트링은 (마크다운의 들여쓰기를 고려하여) 올바르게 화면에 출력됩니다.

```Python hl_lines="19-27"

   * to the cache because we incorrectly assumed that HttpsURLConnection was always HTTPS and
   * HttpURLConnection was always HTTP; in practice redirects mean that each can do either.
   *
   * https://github.com/square/okhttp/issues/214
   */
  @Test
  fun secureResponseCachingAndProtocolRedirects() {

        .build()

    val expectedPin = listOf(Pin("σkhttp.com", certA1Sha256Pin))
    assertThat(certificatePinner.findMatchingPins("xn--khttp-fde.com")).isEqualTo(expectedPin)
  }

  /** https://github.com/square/okhttp/issues/3324  */
  @Test
  fun checkSubstringMatch() {
    val certificatePinner =
      CertificatePinner.Builder()
        .add("*.example.com", certA1Sha256Pin)
        .build()

Você pode escrever <a href="https://en.wikipedia.org/wiki/Markdown" class="external-link" target="_blank">Markdown</a> na docstring, ele será interpretado e exibido corretamente (levando em conta a indentação da docstring).

//// tab | Python 3.8 and above