try {
        response = chain.proceed(request)
      } catch (e: Exception) {
        val tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)
        logger.log(
          buildString {
            append("<-- HTTP FAILED: $e.")
            append(" ${redactUrl(request.url)} (${tookMs}ms)")
          },
        )
        throw e
      }

internal fun Headers.commonHashCode(): Int = namesAndValues.contentHashCode()

internal fun Headers.commonToString(): String =
  buildString {
    for (i in 0 until size) {
      val name = name(i)
      val value = value(i)
      append(name)
      append(": ")
      append(if (isSensitiveHeader(name)) "██" else value)
      append("\n")
    }

   * [HttpURLConnection.getHeaderFields], so it needs to be set even if the transport is
   * HTTP/2.
   */
  fun get(
    request: Request,
    proxyType: Proxy.Type,
  ): String =
    buildString {
      append(request.method)
      append(' ')
      if (includeAuthorityInRequestLine(request, proxyType)) {
        append(request.url)
      } else {
        append(requestPath(request.url))
      }

  var logger: Logger? = null

  var recordEvents = true
  var recordTaskRunner = false
  var recordFrames = false
  var recordSslDebug = false

  private val sslExcludeFilter =
    Regex(
      buildString {
        append("^(?:")
        append(
          listOf(
            "Inaccessible trust store",
            "trustStore is",
            "Reload the trust store",
            "Reload trust certs",

    replaceWith = ReplaceWith(expression = "cacheControl"),
    level = DeprecationLevel.ERROR,
  )
  fun cacheControl(): CacheControl = cacheControl

  override fun toString(): String =
    buildString(32) {
      append("Request{method=")
      append(method)
      append(", url=")
      append(url)
      if (headers.size != 0) {
        append(", headers=[")

   *     ignored by more recent specifications.
   */
  internal fun toString(forObsoleteRfc2965: Boolean): String {
    return buildString {
      append(name)
      append('=')
      append(value)

      if (persistent) {
        if (expiresAt == Long.MIN_VALUE) {
          append("; max-age=0")
        } else {

        url = toString(),
      )
    }

    private fun effectivePort(): Int = if (port != -1) port else defaultPort(scheme!!)

    override fun toString(): String =
      buildString {
        if (scheme != null) {
          append(scheme)
          append("://")
        } else {
          append("//")
        }