}
    }

    /**
     * Creates a StorageClient using the default FessConfig.
     *
     * @return configured StorageClient
     */
    public static StorageClient createClient() {
        return createClient(ComponentUtil.getFessConfig());
    }

    /**
     * Parses a storage type string to StorageType enum.
     *
     * @param typeStr the type string (s3, gcs, s3_compat, auto)

    /**
     * Creates a new instance of CrawlerEngineClient.
     */
    public CrawlerEngineClient() {
        super();
    }

    @Override
    protected Client createClient() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String[] hosts =

  return mimeType.toMediaTypeOrNull()
}

private fun isSpecialHeader(s: String): Boolean = s.equals("Content-Type", ignoreCase = true)

fun Main.commonRun() {
  client = createClient()
  val request = createRequest()

  try {
    val response = client!!.newCall(request).execute()
    if (showHeaders) {
      println(StatusLine.get(response))
      val headers = response.headers

    LoggingUtil.configureLogging(debug = verbose, showHttp2Frames = showHttp2Frames, sslDebug = sslDebug)

    commonRun()
  }

  fun createRequest(): Request = commonCreateRequest()

  fun createClient(): Call.Factory {
    val builder = OkHttpClient.Builder()
    builder.followSslRedirects(followRedirects)
    if (connectTimeout != DEFAULT_TIMEOUT) {
      builder.connectTimeout(connectTimeout.toLong(), SECONDS)