sink.writeUtf8(SENT_MILLIS)
          .writeUtf8(": ")
          .writeDecimalLong(sentRequestMillis)
          .writeByte('\n'.code)
        sink.writeUtf8(RECEIVED_MILLIS)
          .writeUtf8(": ")
          .writeDecimalLong(receivedResponseMillis)
          .writeByte('\n'.code)

        if (url.isHttps) {
          sink.writeByte('\n'.code)
          sink.writeUtf8(handshake!!.cipherSuite.javaName).writeByte('\n'.code)