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- [v1.27.13](#v12713)
  - [Downloads for v1.27.13](#downloads-for-v12713)
    - [Source Code](#source-code)
    - [Client Binaries](#client-binaries)
    - [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.27.12](#changelog-since-v12712)
  - [Important Security Information](#important-security-information)

$state, $data in $form-validation-states {\n  @include form-validation-state($state, map-get($data, color), map-get($data, icon));\n}\n\n// Inline forms\n//\n// Make forms appear inline(-block) by adding the `.form-inline` class. Inline\n// forms begin stacked on extra small (mobile) devices and then go inline when\n// viewports reach <768px.\n//\n// Requires wrapping inputs and labels with `.form-group` for proper display of\n// default HTML form controls and our custom form controls (e.g., input...

  val decoded = Punycode.decode(bufferA.readUtf8()) ?: return null

  // 4.1 Validate.

  // Must be NFC.
  if (decoded != normalizeNfc(decoded)) return null

  // TODO: Must not begin with a combining mark.
  // TODO: Each character must be 'valid' or 'deviation'. Not mapped.
  // TODO: CheckJoiners from IDNA 2008
  // TODO: CheckBidi from IDNA 2008, RFC 5893, Section 2.

    string containing both a certificate and PKCS #8-encoded private key.

    ```kotlin
    val heldCertificate = HeldCertificate.decode("""
        |-----BEGIN CERTIFICATE-----
        |MIIBYTCCAQegAwIBAgIBKjAKBggqhkjOPQQDAjApMRQwEgYDVQQLEwtlbmdpbmVl
        |cmluZzERMA8GA1UEAxMIY2FzaC5hcHAwHhcNNzAwMTAxMDAwMDA1WhcNNzAwMTAx

import okio.ByteString.Companion.toByteString

/**
 * Decodes a multiline string that contains a [certificate][certificatePem] which is
 * [PEM-encoded][rfc_7468]. A typical input string looks like this:
 *
 * ```
 * -----BEGIN CERTIFICATE-----
 * MIIBYTCCAQegAwIBAgIBKjAKBggqhkjOPQQDAjApMRQwEgYDVQQLEwtlbmdpbmVl
 * cmluZzERMA8GA1UEAxMIY2FzaC5hcHAwHhcNNzAwMTAxMDAwMDA1WhcNNzAwMTAx
 * MDAwMDEwWjApMRQwEgYDVQQLEwtlbmdpbmVlcmluZzERMA8GA1UEAxMIY2FzaC5h

very little use without my shoulders.  Oh, how I wish
I could shut up like a telescope!  I think I could, if I only
know how to begin.'  For, you see, so many out-of-the-way things
had happened lately, that Alice had begun to think that very few
things indeed were really impossible.

  There seemed to be no use in waiting by the little door, so she

 * limitations under the License.
 */
package okhttp3.sse

import okhttp3.Response

abstract class EventSourceListener {
  /**
   * Invoked when an event source has been accepted by the remote peer and may begin transmitting
   * events.
   */
  open fun onOpen(
    eventSource: EventSource,
    response: Response,
  ) {
  }

  /**
   * TODO description.
   */
  open fun onEvent(

    val androidMorEarlier = Build.VERSION.SDK_INT <= 23

    val clientBuilder = OkHttpClient.Builder()

    if (androidMorEarlier) {
      val cert: X509Certificate =
        """
        -----BEGIN CERTIFICATE-----
        MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
        TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh

 properties file could be used the specify $ so it can be interpolated in
 <developerConnection/> but you couldn't use a properties file to specify the
 version of your project say. Anyway, food for thought to begin with.

 - elements that are critical for pom dissemination
 - those that are used locally by the user like <developerConnection/>

* User configuration

## Vida útil (_Lifespan_)

Você pode definir essa lógica de *inicialização* e *encerramento* usando os parâmetros de `lifespan` da aplicação `FastAPI`, e um "gerenciador de contexto" (te mostrarei o que é isso a seguir).

Vamos iniciar com um exemplo e ver isso detalhadamente.

Nós criamos uma função assíncrona chamada `lifespan()` com `yield` como este:

```Python hl_lines="16  19"
{!../../../docs_src/events/tutorial003.py!}