public void testReuseBuilderReducingHashTableSizeWithPowerOfTwoTotalElements() {
    ImmutableSet.Builder<Object> builder = ImmutableSet.builderWithExpectedSize(6);
    builder.add(0);
    ImmutableSet<Object> unused = builder.build();
    ImmutableSet<Object> subject = builder.add(1).add(2).add(3).build();
    assertFalse(subject.contains(4));
  }

      this.forceCopy = true;
      return result;
    }
  }

  int unsafeCompare(Object a, @Nullable Object b) {
    return unsafeCompare(comparator, a, b);
  }

  static int unsafeCompare(Comparator<?> comparator, Object a, @Nullable Object b) {
    // Pretend the comparator can compare anything. If it turns out it can't

### Certificate Pinning ([.kt][CertificatePinningKotlin], [.java][CertificatePinningJava])

   * (unless the executor has been shutdown).
   *
   * <p>The returned executor is backed by the executor returned by {@link
   * MoreExecutors#newDirectExecutorService} and subject to the same constraints.
   *
   * <p>Although all tasks are immediately executed in the thread that submitted the task, this
   * {@code ExecutorService} imposes a small locking overhead on each task submission in order to

Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.

9. Miscellaneous
----------------

This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides

    initCollectionWithNullElement();
    expectReturnsTrue(disjoint);
    expectContents();
  }

  // retainAll(null)

  /*
   * AbstractCollection fails the retainAll(null) test when the subject
   * collection is empty, but we'd still like to test retainAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

用權杖有效期建立一個 `timedelta`。

建立真正的 JWT access token 並回傳它。

{* ../../docs_src/security/tutorial004_an_py310.py hl[121:136] *}

### 關於 JWT「主體」`sub` 的技術細節 { #technical-details-about-the-jwt-subject-sub }

JWT 規範說有個鍵 `sub`，代表權杖的主體（subject）。

使用它是可選的，但通常會把使用者的識別資訊放在這裡，所以我們在此採用。

JWT 除了用來識別使用者並允許他直接對你的 API 執行操作外，也可用於其他用途。

例如，你可以識別一台「車」或一篇「部落格文章」。

接著可以替該實體加上權限，如「drive」（對車而言）或「edit」（對文章而言）。

用令牌的过期时间创建一个 `timedelta`。

创建一个真正的 JWT 访问令牌并返回它。

{* ../../docs_src/security/tutorial004_an_py310.py hl[121:136] *}

### 关于 JWT “主题” `sub` 的技术细节 { #technical-details-about-the-jwt-subject-sub }

JWT 规范中有一个 `sub` 键，表示令牌的“主题”（subject）。

使用它是可选的，但通常会把用户的标识放在这里，所以本例中我们使用它。

JWT 除了用于识别用户并允许其直接在你的 API 上执行操作之外，还可能用于其他场景。

例如，你可以用它来标识一辆“车”或一篇“博客文章”。

然后你可以为该实体添加权限，比如“drive”（用于车）或“edit”（用于博客）。

   * @return the contents of the container under test, for use by {@link #expectContents(Object[])
   *     expectContents(E...)} and its friends.
   */
  protected abstract Collection<E> actualContents();

  /**
   * Replaces the existing container under test with a new container created by the subject
   * generator.
   *
   * @see #resetContainer(Object) resetContainer(C)
   * @return the new container instance.
   */

    }

    @AfterEach
    void tearDown() {
        if (mockedStatic != null) {
            mockedStatic.close();
        }
    }

    private static void setPrivateField(Object target, String name, Object value) throws Exception {
        Field f = target.getClass().getDeclaredField(name);
        f.setAccessible(true);
        f.set(target, value);
    }

    static ASN1ObjectIdentifier[] supportedMechs() {