* asynchronous process to connect the socket. Once that succeeds or fails, `listener` will be
     * notified. The caller must cancel the returned event source when it is no longer in use.
     */
    fun newEventSource(
      request: Request,
      listener: EventSourceListener,
    ): EventSource
  }

fun String.canParseAsIpAddress(): Boolean = VERIFY_AS_IP_ADDRESS.matches(this)

/**
 * Returns true if the length is not valid for DNS (empty or greater than 253 characters), or if any
 * label is longer than 63 characters. Trailing dots are okay.
 */
internal fun String.containsInvalidLabelLengths(): Boolean {
  if (length !in 1..253) return true

  var labelStart = 0
  while (true) {

  }

  @Test fun mixedCasePunycode() {
    testDecodeOnly(
      unicode = "ليهمابتكلموشعربي؟",
      punycode = "Xn--EgBpDaJ6Bu4bXfGeHfVwXn",
    )
  }

  /**
   * It's invalid to have a label longer than 63 characters. If that's requested, the encoder may
   * overflow and return null.
   */
  @Test fun overflowEncodingOversizedLabel() {
    val a1000 = "a".repeat(1000)

        success = true
      } catch (e: RejectedExecutionException) {
        failRejected(e)
      } finally {
        if (!success) {
          client.dispatcher.finished(this) // This call is no longer running!
        }
      }
    }

    internal fun failRejected(e: RejectedExecutionException? = null) {
      val ioException = InterruptedIOException("executor rejected")
      ioException.initCause(e)

        // We might need new connections to keep policies satisfied
        connectionPool.scheduleOpener(route.address)
      } else if (allocationLimit > oldLimit) {
        // We might no longer need some connections
        connectionPool.scheduleCloser()
      }
    }
  }

  override fun handshake(): Handshake? = handshake

    concurrently close an SSL socket. This would have appeared in crash logs as
    `NullPointerException: bio == null`.


## Version 4.9.0

_2020-09-11_

**With this release, `okhttp-tls` no longer depends on Bouncy Castle and doesn't install the
Bouncy Castle security provider.** If you still need it, you can do it yourself:

```
Security.addProvider(BouncyCastleProvider())
```

    // If we're working correctly, this should be greater than 100ms, but less than double that.
    // Previously we had a bug where we would download the entire response body as long as no
    // individual read took longer than 100ms.
    assertThat(elapsedMillis).isLessThan(500L)

    // Do another request to confirm that the discarded connection was not pooled.
    assertContent("A", getResponse(newRequest("/")))

  }

  @Test
  @Throws(Exception::class)
  fun timeDurationTruncatedToMaxValue() {
    val cacheControl =
      CacheControl.Builder()
        .maxAge(365 * 100, TimeUnit.DAYS) // Longer than Integer.MAX_VALUE seconds.
        .build()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(Int.MAX_VALUE)
  }

  @Test
  @Throws(Exception::class)
  fun secondsMustBeNonNegative() {

  if (headersContentLength() != -1L ||
    "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)
  ) {
    return true
  }

  return false
}

@Deprecated(
  message = "No longer supported",
  level = DeprecationLevel.ERROR,
  replaceWith = ReplaceWith(expression = "response.promisesBody()"),
)
fun hasBody(response: Response): Boolean {
  return response.promisesBody()

  ) {}

  /**
   * Invoked when a connection is released as no longer required.
   */
  open fun connectionClosed(connection: Connection) {}

  /**
   * Invoked when a call is assigned a particular connection.
   */
  open fun connectionAcquired(
    connection: Connection,
    call: Call,
  ) {}

  /**
   * Invoked when a call no longer uses a connection.
   */
  open fun connectionReleased(