func (config *TierConfigMgr) refreshTierConfig(ctx context.Context, objAPI ObjectLayer) {
	const tierCfgRefresh = 15 * time.Minute
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	randInterval := func() time.Duration {
		return time.Duration(r.Float64() * 5 * float64(time.Second))
	}

	// To avoid all MinIO nodes reading the tier config object at the same
	// time.
	t := time.NewTimer(tierCfgRefresh + randInterval())
	defer t.Stop()

    }
  }
}

private fun Logger.log(
  task: Task,
  queue: TaskQueue,
  message: String,
) {
  fine("${queue.name} ${String.format("%-22s", message)}: ${task.name}")
}

/**
 * Returns a duration in the nearest whole-number units like "999 µs" or "  1 s ". This rounds 0.5
 * units away from 0 and 0.499 towards 0. The smallest unit this returns is "µs"; the largest unit

	if err != nil {
		concurrent = 32
	}

	duration, err := time.ParseDuration(durationStr)
	if err != nil {
		duration = time.Second * 10
	}

	done := keepHTTPResponseAlive(w)

	result, err := selfSpeedTest(r.Context(), speedTestOpts{
		objectSize:      size,
		concurrency:     concurrent,
		duration:        duration,
		storageClass:    storageClass,
		bucketName:      bucketName,

Following example shows how you can use [`minio-go` PresignedGetObject](https://docs.min.io/community/minio-object-store/developers/go/API.html#presignedgetobject-ctx-context-context-bucketname-objectname-string-expiry-time-duration-reqparams-url-values-url-url-error)
```go
package main

import (
	"context"
	"log"
	"net/url"
	"time"
	"fmt"

	"github.com/minio/minio-go/v7"

pkg net/http, type HTTP2Config struct, PermitProhibitedCipherSuites bool #67813
pkg net/http, type HTTP2Config struct, PingTimeout time.Duration #67813
pkg net/http, type HTTP2Config struct, SendPingTimeout time.Duration #67813
pkg net/http, type HTTP2Config struct, WriteByteTimeout time.Duration #67813
pkg net/http, type Protocols struct #67814
pkg net/http, type Server struct, HTTP2 *HTTP2Config #67813

	Signature     string
}

// preSignValues data type represents structured form of AWS Signature V4 query string.
type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)

	}
	uaAppend(")", "")

	return strings.Join(userAgentParts, "")
}

func downloadReleaseURL(u *url.URL, timeout time.Duration, mode string) (content string, err error) {
	req, err := http.NewRequest(http.MethodGet, u.String(), nil)
	if err != nil {
		return content, AdminError{
			Code:       AdminUpdateUnexpectedFailure,

pkg net/http, type PushOptions struct, Method string
pkg net/http, type Request struct, GetBody func() (io.ReadCloser, error)
pkg net/http, type Server struct, IdleTimeout time.Duration
pkg net/http, type Server struct, ReadHeaderTimeout time.Duration
pkg net/http, type Transport struct, ProxyConnectHeader Header
pkg net/http, var ErrAbortHandler error
pkg net/http, var ErrServerClosed error
pkg net/http, var NoBody noBody

pkg context, func TODO() Context
pkg context, func WithCancel(Context) (Context, CancelFunc)
pkg context, func WithDeadline(Context, time.Time) (Context, CancelFunc)
pkg context, func WithTimeout(Context, time.Duration) (Context, CancelFunc)
pkg context, func WithValue(Context, interface{}, interface{}) Context
pkg context, type CancelFunc func()
pkg context, type Context interface { Deadline, Done, Err, Value }

     * Suitable for:
     * - Dependency resolution results
     * - Compilation outputs
     * - Downloaded artifacts
     */
    PERSISTENT,

    /**
     * Data should be retained for the duration of the current Maven session.
     * Suitable for:
     * - Build-wide configuration
     * - Project model caching
     * - Inter-module metadata
     */
    SESSION_SCOPED,

    /**