return exchange?.hasFailure == true &&
      exchangeFinder!!.routePlanner.hasNext(exchange?.connection)
  }

  /**
   * Returns a string that describes this call. Doesn't include a full URL as that might contain
   * sensitive information.
   */
  private fun toLoggableString(): String {
    return (
      (if (isCanceled()) "canceled " else "") +
        (if (forWebSocket) "web socket" else "call") +

     * lu/GJQZoU9lDrCPeUcQ28tzOWw==
     * -----END PRIVATE KEY-----
     * ```
     *
     * The string should contain exactly one certificate and one private key in [PKCS #8][rfc_5208]
     * format. It should not contain any other PEM-encoded blocks, but it may contain other text
     * which will be ignored.
     *
     * Encode a held certificate into this format by concatenating the results of

     */
    fun clearHeaders() =
      apply {
        headers = Headers.Builder()
      }

    /**
     * Adds [header] as an HTTP header. For well-formed HTTP [header] should contain a name followed
     * by a colon and a value.
     */
    fun addHeader(header: String) =
      apply {
        headers.add(header)
      }

    /**

 * responsibility to detect and split on commas if their field permits multiple values. This
 * simplifies use of single-valued fields whose values routinely contain commas, such as cookies or
 * dates.
 *
 * This class trims whitespace from values. It never returns values with leading or trailing
 * whitespace.
 *

    val selection2 = routeSelector.next()
    assertThat(selection2.next()).isEqualTo(regularRoutes[1])
    assertThat(selection2.hasNext()).isFalse()

    // The second selection will contain all failed routes.
    val selection3 = routeSelector.next()
    assertThat(selection3.next()).isEqualTo(regularRoutes[0])
    assertThat(selection3.hasNext()).isFalse()
    assertThat(routeSelector.hasNext()).isFalse()

     *
     * Next is the response status line, followed by the number of HTTP response header lines,
     * followed by those lines.
     *
     * HTTPS responses also contain SSL session information. This begins with a blank line, and then
     * a line containing the cipher suite. Next is the length of the peer certificate chain. These

   * them, so the CN is unused.
   */
  @Test fun verifyNonAsciiSubjectAlt() {
    // Expecting actual:
    //  ["bar.com", "花子.co.jp"]
    // to contain exactly (and in same order):
    //  ["bar.com", "������.co.jp"]
    platform.assumeNotBouncyCastle()

    // CN=foo.com, subjectAlt=bar.com, subjectAlt=花子.co.jp
    // (hanako.co.jp in kanji)

    reading the next byte from a connection, or writing the next byte to a
    connection takes more than 10 seconds to complete, you’ll need to adjust
    the timeouts manually.

 *  **OkHttp now rejects request headers that contain invalid characters.** This
    includes potential security problems (newline characters) as well as simple
    non-ASCII characters (including international characters and emoji).

            .writeUtf8(ByteString.of(utf8[i]).hex().uppercase())
        }
        return percentEncoded.readUtf8()
      }
    },

    /** URLs that contain this character in this component are invalid.  */
    FORBIDDEN,

    /** Hostnames that contain this character are encoded with punycode.  */
    PUNYCODE,

    /** This code point is special and should not be tested.  */
    SKIP,

    ;

   * to HTTP/1.1.
   */
  var protocolNegotiationEnabled: Boolean = true

  /**
   * The protocols supported by ALPN on incoming HTTPS connections in order of preference. The list
   * must contain [Protocol.HTTP_1_1]. It must not contain null.
   *
   * This list is ignored when [negotiation is disabled][protocolNegotiationEnabled].
   */
  var protocols: List<Protocol> = immutableListOf(Protocol.HTTP_2, Protocol.HTTP_1_1)