}
	if !m.respMu.TryLock() {
		// Cancel before locking - will unblock any pending sends.
		if m.cancelFn != nil {
			m.cancelFn(context.Canceled)
		}
		// Wait for senders to release.
		m.respMu.Lock()
	}

	defer m.respMu.Unlock()
	m.closeLocked()
}

func (m *muxClient) closeLocked() {
	if m.closed {
		return
	}

	TypeXHeader = 'x'

	// Type 'g' is used by the PAX format to store key-value records that
	// are relevant to all subsequent files.
	// This package only supports parsing and composing such headers,
	// but does not currently support persisting the global state across files.
	TypeXGlobalHeader = 'g'

	// Type 'S' indicates a sparse file in the GNU format.
	TypeGNUSparse = 'S'

	if days == 0 {
		return modTime
	}
	t := modTime.UTC().Add(time.Duration(days+1) * 24 * time.Hour)
	return t.Truncate(24 * time.Hour)
}

// SetPredictionHeaders sets time to expiry and transition headers on w for a
// given obj.
func (lc Lifecycle) SetPredictionHeaders(w http.ResponseWriter, obj ObjectOpts) {
	event := lc.eval(obj, time.Time{})
	switch event.Action {

	}
	if match.GetPath() != "" {
		conds = append(conds, match.GetPath())
	}
	if match.GetSafeRegex() != nil {
		conds = append(conds, fmt.Sprintf("regex %s", match.GetSafeRegex().Regex))
	}
	// Ignore headers
	return strings.Join(conds, " ")
}

// PrintListenerDump prints the relevant listeners in the config dump to the ConfigWriter stdout

   *
   * With regular HTTP calls the request always completes sending before the response may begin
   * receiving. With duplex the request and response may be interleaved! That is, request body bytes
   * may be sent after response headers or body bytes have been received.
   *
   * Though any call may be initiated as a duplex call, only web servers that are specially
   * designed for this nonstandard interaction will use it. As of 2019-01, the only widely-used

* **Editor desteği**.
* **Tip kontrolü**.

...ve **FastAPI** aynı belirteçleri şunlar için de kullanıyor:

* **Gereksinimleri tanımlama**:  request path parameters, query parameters, headers, bodies, dependencies, ve benzeri gereksinimlerden
* **Verileri çevirme**: Gönderilen veri tipinden istenilen veri tipine çevirme.
* **Verileri doğrulama**: Her gönderilen verinin:

* HTTP Basic.
* **OAuth2** (también con **JWT tokens**). Prueba el tutorial en [OAuth2 with JWT](tutorial/security/oauth2-jwt.md){.internal-link target=_blank}.
* API keys en:
    * Headers.
    * Parámetros de Query.
    * Cookies, etc.

Más todas las características de seguridad de Starlette (incluyendo **session cookies**).

  //
  // Validation requirements:
  //  1. certificate must contain one or more PEM blocks.
  //  2. All PEM blocks must have the "CERTIFICATE" label, contain no headers, and the encoded data
  //   must be a BER-encoded ASN.1 Certificate structure as described in section 4 of RFC5280.
  //  3. Non-PEM content may appear before or after the "CERTIFICATE" PEM blocks and is unvalidated,

	// The format of the original Unix V7 tar tool prior to standardization.
	formatV7

	// FormatUSTAR represents the USTAR header format defined in POSIX.1-1988.
	//
	// While this format is compatible with most tar readers,
	// the format has several limitations making it unsuitable for some usages.
	// Most notably, it cannot support sparse files, files larger than 8GiB,
	// filenames larger than 256 characters, and non-ASCII filenames.
	//

* HTTP Basic.
* **OAuth2** (também com **tokens JWT**). Confira o tutorial em [OAuth2 com JWT](tutorial/security/oauth2-jwt.md){.internal-link target=_blank}.
* Chaves de API em:
    * Headers.
    * parâmetros da Query.
    * Cookies etc.

Além disso, todos os recursos de seguranças do Starlette (incluindo **cookies de sessão**).