fun journalWriteFailsDuringEdit(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    set("a", "a", "a")
    set("b", "b", "b")

    // We can't begin the edit if writing 'DIRTY' fails.
    filesystem.setFaultyWrite(journalFile, true)
    assertThat(cache.edit("c")).isNull()

    // Once the journal has a failure, subsequent writes aren't permitted.

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

    val keyBegin = firstSpace + 1
    val secondSpace = line.indexOf(' ', keyBegin)
    val key: String
    if (secondSpace == -1) {
      key = line.substring(keyBegin)
      if (firstSpace == REMOVE.length && line.startsWith(REMOVE)) {
        lruEntries.remove(key)
        return
      }
    } else {
      key = line.substring(keyBegin, secondSpace)
    }

 * 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

 */
abstract class EventListener {
  /**
   * Invoked as soon as a call is enqueued or executed by a client. In case of thread or stream
   * limits, this call may be executed well before processing the request is able to begin.
   *
   * This will be invoked only once for a single [Call]. Retries of different routes or redirects
   * will be handled within the boundaries of a single [callStart] and [callEnd]/[callFailed] pair.
   */

 * limitations under the License.
 */
package mockwebserver3

import okhttp3.ExperimentalOkHttpApi

/**
 * Handles a call's stream directly. Use this instead of [MockResponseBody] to begin sending
 * response data before all request data has been received.
 *
 * See [okhttp3.RequestBody.isDuplex].
 */
@ExperimentalOkHttpApi
interface StreamHandler {
  fun handle(stream: Stream)

PEM files
---------

You can encode a `HeldCertificate` in PEM format:

```java
HeldCertificate heldCertificate = ...
System.out.println(heldCertificate.certificatePem())
```

```
-----BEGIN CERTIFICATE-----
MIIBSjCB8aADAgECAgEBMAoGCCqGSM49BAMCMC8xLTArBgNVBAMTJDJiYWY3NzVl
LWE4MzUtNDM5ZS1hYWE2LTgzNmNiNDlmMGM3MTAeFw0xODA3MTMxMjA0MzJaFw0x
ODA3MTQxMjA0MzJaMC8xLTArBgNVBAMTJDJiYWY3NzVlLWE4MzUtNDM5ZS1hYWE2

      |jaA9VEhgdaVhxBsT2qzUNDsXlOzGsliznDfoqETb
      |
      """.trimMargin()
    val certificateByteString = certificateBase64.decodeBase64()!!
    val certificatePem =
      """
      |-----BEGIN CERTIFICATE-----
      |$certificateBase64
      |-----END CERTIFICATE-----
      |
      """.trimMargin()

    val javaCertificate = certificatePem.decodeCertificatePem()
    val okHttpCertificate =

// 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/.

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