if fdable, ok := f.(interface{ Fd() uintptr }); ok {
		return fdable.Fd(), nil
	}

	return 0, fmt.Errorf("unable to get fd")
}

/// mostly copy pasted from spire below:

// regexes listed here have to exclusively match a cgroup path
// the regexes must include two named groups "poduid" and "containerid"
// if the regex needs to exclude certain substrings, the "mustnotmatch" group can be used
// nolint: lll

      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the
      Licensor for the purpose of discussing and improving the Work, but

* Implement alpha version of PreferAvoidPods ([#20699](https://github.com/kubernetes/kubernetes/pull/20699), [@jiangyaoguo](https://github.com/jiangyaoguo))
* Retry when apiserver fails to listen on insecure port ([#28797](https://github.com/kubernetes/kubernetes/pull/28797), [@aaronlevy](https://github.com/aaronlevy))

// file, You can obtain one at https://mozilla.org/MPL/2.0/.

// Please pull this list from, and only from https://publicsuffix.org/list/public_suffix_list.dat,
// rather than any other VCS sites. Pulling from any other URL is not guaranteed to be supported.

// Instructions on pulling and using this list can be found at https://publicsuffix.org/list/.

// ===BEGIN ICANN DOMAINS===

// ac : http://nic.ac/rules.htm
ac
com.ac
edu.ac

///

### Krok 5: zwróć zawartość

{* ../../docs_src/first_steps/tutorial001.py hl[8] *}

Możesz zwrócić `dict`, `list`, pojedynczą wartość jako `str`, `int`, itp.

Możesz również zwrócić modele Pydantic (więcej o tym później).

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            userPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {

        DslContext.addParameters("Branch" to branchName)
        return PromotionProject(VersionedSettingsBranch(branchName))
    }

    private fun gradleStep(steps: List<BuildStep>, index: Int): GradleBuildStep {
        assertTrue(steps.size > index)
        return steps[index] as GradleBuildStep
    }

 *
 * <p>As an example, imagine that we have a list of tasks to execute, but we don't want to submit
 * more than 2 per second:
 *
 * <pre>{@code
 * final RateLimiter rateLimiter = RateLimiter.create(2.0); // rate is "2 permits per second"
 * void submitTasks(List<Runnable> tasks, Executor executor) {
 *   for (Runnable task : tasks) {
 *     rateLimiter.acquire(); // may wait

すべてに適切な**デフォルト**があり、オプションの構成ができます。必要なことを実行し、必要なAPIを定義するためにすべてのパラメーターを調整できます。

ただし、デフォルトでもすべて **うまくいきます**。

### 検証

* 以下の様な、ほとんどの（すべての？）Python **データ型**の検証:
     * JSONオブジェクト（`dict`）
     * 項目の型を定義するJSON配列（`list`）
     * 最小長と最大長のある文字列（`str`）フィールド
     * 最小値と最大値のある数値（`int`、` float`）

* よりエキゾチックな型の検証：
     * URL
     * Eメール
     * UUID
     * ...その他

すべての検証は、確立された堅牢な **Pydantic** によって処理されます。

      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the
      Licensor for the purpose of discussing and improving the Work, but