cred := globalActiveCred
	if cred.AccessKey != accessKey {
		if !globalIAMSys.Initialized() {
			// Check if server has initialized, then only proceed
			// to check for IAM users otherwise its okay for clients
			// to retry with 503 errors when server is coming up.
			return auth.Credentials{}, false, ErrIAMNotInitialized
		}

		// Check if the access key is part of users credentials.

  fun metadata(): ByteString = metadata

  /**
   * Returns a new source that returns the same bytes as upstream. Returns null if this relay has
   * been closed and no further sources are possible. In that case callers should retry after
   * building a new relay with [.read].
   */
  fun newSource(): Source? {
    synchronized(this@Relay) {
      if (file == null) return null
      sourceCount++
    }

    return RelaySource()

	ContentRange       = "Content-Range"
	Connection         = "Connection"
	AcceptRanges       = "Accept-Ranges"
	AmzBucketRegion    = "X-Amz-Bucket-Region"
	ServerInfo         = "Server"
	RetryAfter         = "Retry-After"
	Location           = "Location"
	CacheControl       = "Cache-Control"
	ContentDisposition = "Content-Disposition"
	Authorization      = "Authorization"
	Action             = "Action"
	Range              = "Range"

         * Because the step is not guaranteed to run (e.g. build timeout), we need `KILL_LEAKED_PROCESSES_FROM_PREVIOUS_BUILDS` mode.
         */
        KILL_PROCESSES_STARTED_BY_GRADLE,
        /**
         * Run when we want to retry the build. Kill all Gradle processes, regardless of they're global or local.
         */
        KILL_ALL_GRADLE_PROCESSES
    }

    private static final Pattern UNIX_PID_PATTERN = Pattern.compile("([0-9]+)");

	if err == nil {
		return false
	}

	notInitialized := strings.Contains(err.Error(), "Server not initialized, please try again") ||
		errors.Is(err, errServerNotInitialized)

	// Initializing sub-systems needs a retry mechanism for
	// the following reasons:
	//  - Read quorum is lost just after the initialization
	//    of the object layer.
	//  - Write quorum not met when upgrading configuration

		"Accept-Ranges",
		"Content-Range",
		"Content-Encoding",
		"Content-Length",
		"Content-Type",
		"Content-Disposition",
		"Last-Modified",
		"Content-Language",
		"Cache-Control",
		"Retry-After",
		"X-Amz-Bucket-Region",
		"Expires",
		"X-Amz*",
		"X-Amz*",
		"*",
	}
	expectedMap.Set("Vary", "Origin")

	req, _ := http.NewRequest(http.MethodOptions, s.endPoint, nil)

//
// //////////////////////////////////////////////////////////////////////
func errBusy(err error) *s3Error {
	return &s3Error{
		code:       "Busy",
		message:    "The service is unavailable. Please retry.",
		statusCode: 503,
		cause:      err,
	}
}

func errUnauthorizedAccess(err error) *s3Error {
	return &s3Error{
		code:       "UnauthorizedAccess",

	rng := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	var d net.Dialer
	var retry int
	for retry < len(hosts) {
		ctx, cancel := context.WithTimeout(GlobalContext, 300*time.Millisecond)

		host = hosts[rng.Intn(len(hosts))]
		conn, err := d.DialContext(ctx, "tcp", host)
		cancel()
		if err != nil {
			retry++
			continue
		}
		conn.Close()
		break
	}

	return host
}

    running SSLv3, you must manually configure your own `ConnectionSpec`.

 *  **OkHttp now offers interceptors.** Interceptors are a powerful mechanism
    that can monitor, rewrite, and retry calls. The [interceptors doc][interceptors] is a full
    introduction to this new API.

 *  New: APIs to iterate and selectively clear the response cache.
 *  New: Support for SOCKS proxies.

        .body("after misdirect")
        .build(),
    )

    // Seed the connection pool.
    assert200Http2Response(execute(url), server.hostName)

    // Use the coalesced connection which should retry on a fresh connection.
    val sanUrl =
      url.newBuilder()
        .host("san.com")
        .build()
    execute(sanUrl).use { response ->
      assertThat(response.code).isEqualTo(200)