duration: Long,
  unit: TimeUnit,
): Int {
  check(duration >= 0L) { "$name < 0" }
  val millis = unit.toMillis(duration)
  require(millis <= Integer.MAX_VALUE) { "$name too large" }
  require(millis != 0L || duration <= 0L) { "$name too small" }
  return millis.toInt()
}

internal fun checkDuration(
  name: String,
  duration: Duration,
): Int {
  check(!duration.isNegative()) { "$name < 0" }

      if (ia.hasNext()) {
        add(ia.next())
      }
      if (ib.hasNext()) {
        add(ib.next())
      }
    }
  }
}

// TODO check read only options for creating lists
public fun <T> List<T>.readOnly() = this.toList()

// TODO check read only options for creating lists

        response.contentType()?.parameter("boundary")
          ?: throw ProtocolException("expected the Content-Type to have a boundary parameter"),
    )

    @Throws(IOException::class)
    fun nextPart(): Part? {
      check(!closed) { "closed" }

      if (noMoreParts) return null

      // Read a boundary, skipping the remainder of the preceding part as necessary.
      if (partCount == 0 && source.rangeEquals(0L, dashDashBoundary)) {

          retryOnConnectionFailure = true
        }
        .build()

    executeSynchronously(request)
      .assertBody("body")

    assertThat(client.routeDatabase.failedRoutes).isEmpty()
    // TODO check if we expect a second request to server1, before attempting server2
    assertThat(server1.requestCount).isEqualTo(2)
    assertThat(server2.requestCount).isEqualTo(1)

      TrustManagerFactory.getInstance(
        TrustManagerFactory.getDefaultAlgorithm(),
        provider,
      )
    factory.init(null as KeyStore?)
    val trustManagers = factory.trustManagers!!
    check(trustManagers.size == 1 && trustManagers[0] is X509TrustManager) {
      "Unexpected default trust managers: ${trustManagers.contentToString()}"
    }
    return trustManagers[0] as X509TrustManager
  }

        null -> mapResult.writeUtf8CodePoint(codePoint)
        else -> mapResult.writeUtf8(mappedCodePoint)
      }
    }

    // 2. Normalize
    // TODO.

    // 3 and 4. Check prohibited characters and bidi.
    val validateBuffer = mapResult.copy()
    var firstIsRandalcat = false
    while (!validateBuffer.exhausted()) {
      val first = validateBuffer.size == mapResult.size

  for (i in namesAndValues.indices) {
    require(namesAndValues[i] != null) { "Headers cannot be null" }
    namesAndValues[i] = inputNamesAndValues[i].trim()
  }

  // Check for malformed headers.
  for (i in namesAndValues.indices step 2) {
    val name = namesAndValues[i]
    val value = namesAndValues[i + 1]
    headersCheckName(name)
    headersCheckValue(value, name)
  }

      }
      currentThread.name = oldName
    }
  }

  private fun afterRun(
    task: Task,
    delayNanos: Long,
  ) {
    lock.assertHeld()

    val queue = task.queue!!
    check(queue.activeTask === task)

    val cancelActiveTask = queue.cancelActiveTask
    queue.cancelActiveTask = false
    queue.activeTask = null
    busyQueues.remove(queue)

    even for a single call.

    Interceptors that rewrite or replace the request body may now inadvertently interfere with
    duplex request bodies. Such interceptors should check `RequestBody.isDuplex()` and avoid
    accessing the request body when it is.

    Duplex calls require HTTP/2. If HTTP/1 is established instead the duplex call will fail. The

  }

  /**
   * Earlier implementations of Android's hostname verifier required that wildcard names wouldn't
   * match "*.com" or similar. This was a nonstandard check that we've since dropped. It is the CA's
   * responsibility to not hand out certificates that match so broadly.
   */
  @Test fun wildcardsDoesNotNeedTwoDots() {