*/
  internal var errorCode: ErrorCode? = null
    get() = this.withLock { field }

  /** The exception that explains [errorCode]. Null if no exception was provided. */
  internal var errorException: IOException? = null

  init {
    if (headers != null) {
      check(!isLocallyInitiated) { "locally-initiated streams shouldn't have headers yet" }
      headersQueue += headers

        builder.certificatePinner
          .withCertificateChainCleaner(certificateChainCleaner!!)
    }

    verifyClientState()
  }

  /**
   * Creates an [Address] of out of the provided [HttpUrl]
   * that uses this client’s DNS, TLS, and proxy configuration.
   */
  fun address(url: HttpUrl): Address {
    var useSslSocketFactory: SSLSocketFactory? = null

        applyAndAckSettings(clearPrevious, settings)
      }
    }

    /**
     * Apply inbound settings and send an acknowledgement to the peer that provided them.
     *
     * We need to apply the settings and ack them atomically. This is because some HTTP/2
     * implementations (nghttp2) forbid peers from taking advantage of settings before they have

   *
   * QUIC is not natively supported by OkHttp, but provided to allow a theoretical interceptor that
   * provides support.
   */
  QUIC("quic"),

  /**
   * HTTP/3 is the third and upcoming major version of the Hypertext Transfer Protocol used to
   * exchange information. HTTP/3 runs over QUIC, which is published as RFC 9000.
   *
   * HTTP/3 is not natively supported by OkHttp, but provided to allow a theoretical interceptor