val equalsSign = header.delimiterOffset('=', pos, pairEnd)
      val name = header.trimSubstring(pos, equalsSign)
      if (name.startsWith("$")) {
        pos = pairEnd + 1
        continue
      }

      // We have either name=value or just a name.
      var value =
        if (equalsSign < pairEnd) {
          header.trimSubstring(equalsSign + 1, pairEnd)
        } else {
          ""

      var totalExceptionRuleBytes = 0

      fileSystem.source(publicSuffixListDotDat).buffer().use { source ->
        while (!source.exhausted()) {
          var rule: ByteString = source.readUtf8LineStrict().toRule() ?: continue

          if (rule.startsWith(EXCEPTION_RULE_MARKER)) {
            rule = rule.substring(1)
            // We use '\n' for end of value.
            totalExceptionRuleBytes += rule.size + 1

      val result = mutableListOf<String>()
      for (subjectAltName in subjectAltNames) {
        if (subjectAltName == null || subjectAltName.size < 2) continue
        if (subjectAltName[0] != type) continue
        val altName = subjectAltName[1] ?: continue
        result.add(altName as String)
      }
      return result
    } catch (_: CertificateParsingException) {
      return emptyList()
    }
  }

// https://datatracker.ietf.org/doc/html/rfc7231#page-47
//
// From https://github.com/apache/httpcomponents-core/blob/master/httpcore5/src/main/java/org/apache/hc/core5/http/HttpStatus.java

/** `100 Continue` (HTTP/1.1 - RFC 7231)  */
const val HTTP_CONTINUE = 100

/** `102 Processing` (WebDAV - RFC 2518)  */
const val HTTP_PROCESSING = 102

/** `103 Early Hints (Early Hints - RFC 8297)` */
const val HTTP_EARLY_HINTS = 103

      }
      name.equals("Pragma", ignoreCase = true) -> {
        // Might specify additional cache-control params. We invalidate just in case.
        canUseHeaderValue = false
      }
      else -> {
        continue@loop
      }
    }

    var pos = 0
    while (pos < value.length) {
      val tokenStart = pos
      pos = value.indexOfElement("=,;", pos)
      val directive = value.substring(tokenStart, pos).trim()

            else -> {
              connectionUser.acquireConnectionNoEvents(connection)
              true
            }
          }
        }
      if (!acquired) continue

      // Confirm the connection is healthy and return it.
      if (connection.isHealthy(doExtensiveHealthChecks)) return connection

        val value = cachedHeaders.value(index)
        if ("Warning".equals(fieldName, ignoreCase = true) && value.startsWith("1")) {
          // Drop 100-level freshness warnings.
          continue
        }
        if (isContentSpecificHeader(fieldName) ||
          !isEndToEnd(fieldName) ||
          networkHeaders[fieldName] == null
        ) {
          result.addLenient(fieldName, value)
        }

      MockResponse.Builder()
        .add100Continue()
        .build(),
    )
    val request =
      Request.Builder()
        .url(server.url("/"))
        .header("Expect", "100-continue")
        .post("abc".toRequestBody("text/plain".toMediaType()))
        .build()
    executeSynchronously(request)
      .assertCode(200)
      .assertSuccessful()

        when {
          // Compute the delay of the soonest-executable task.
          candidateDelay > 0L -> {
            minDelayNanos = minOf(candidateDelay, minDelayNanos)
            continue@eachQueue
          }

          // If we already have more than one task, that's enough work for now. Stop searching.
          readyTask != null -> {
            multipleReadyTasks = true

      val maxStaleSecondsLong = timeUnit.toSeconds(maxStale.toLong())
      this.maxStaleSeconds = maxStaleSecondsLong.commonClampToInt()
    }

    /**
     * Sets the minimum number of seconds that a response will continue to be fresh for. If the
     * response will be stale when [minFresh] have elapsed, the cached response will not be used and
     * a network request will be made.
     *