return cfg, err
	}

	excessVersions, err := strconv.ParseInt(env.Get(EnvExcessVersions, kvs.GetWithDefault(ExcessVersions, DefaultKVS)), 10, 64)
	if err != nil {
		return cfg, err
	}
	cfg.ExcessVersions = excessVersions

	excessFolders, err := strconv.ParseInt(env.Get(EnvExcessFolders, kvs.GetWithDefault(ExcessFolders, DefaultKVS)), 10, 64)
	if err != nil {
		return cfg, err
	}

		return cfg, err
	}

	hstsIncludeSubdomains := env.Get(EnvBrowserHSTSIncludeSubdomains, kvs.GetWithDefault(browserHSTSIncludeSubdomains, DefaultKVS)) == config.EnableOn
	hstsPreload := env.Get(EnvBrowserHSTSPreload, kvs.Get(browserHSTSPreload)) == config.EnableOn

	hstsSeconds, err := strconv.Atoi(env.Get(EnvBrowserHSTSSeconds, kvs.GetWithDefault(browserHSTSSeconds, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	rduration, err := time.ParseDuration(env.Get(EnvReplicationWorkersWait, kvs.GetWithDefault(ReplicationWorkersWait, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	if rduration < 0 {
		return cfg, config.ErrInvalidBatchReplicationWorkersWait(nil)
	}

	kduration, err := time.ParseDuration(env.Get(EnvKeyRotationWorkersWait, kvs.GetWithDefault(KeyRotationWorkersWait, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	requestsMax, err := strconv.Atoi(env.Get(EnvAPIRequestsMax, kvs.GetWithDefault(apiRequestsMax, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	cfg.RequestsMax = requestsMax
	if requestsMax < 0 {
		return cfg, errors.New("invalid API max requests value")
	}

	requestsDeadline, err := time.ParseDuration(env.Get(EnvAPIRequestsDeadline, kvs.GetWithDefault(apiRequestsDeadline, DefaultKVS)))
	if err != nil {

		return cfg, err
	}

	cfg.Enable = env.Get(config.EnvMinIOCallhomeEnable,
		kvs.GetWithDefault(Enable, DefaultKVS)) == config.EnableOn
	cfg.Frequency, err = time.ParseDuration(env.Get(config.EnvMinIOCallhomeFrequency,
		kvs.GetWithDefault(Frequency, DefaultKVS)))
	return cfg, err

		return cfg, err
	}

	tw, err := strconv.Atoi(env.Get(EnvILMTransitionWorkers, kvs.GetWithDefault(transitionWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	ew, err := strconv.Atoi(env.Get(EnvILMExpirationWorkers, kvs.GetWithDefault(expirationWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	cfg.TransitionWorkers = tw
	cfg.ExpirationWorkers = ew

		return cfg, err
	}

	bitrot := env.Get(EnvBitrot, kvs.GetWithDefault(Bitrot, DefaultKVS))
	if _, err = parseBitrotConfig(bitrot); err != nil {
		return cfg, fmt.Errorf("'heal:bitrotscan' value invalid: %w", err)
	}

	cfg.Bitrot = bitrot

	cfg.Sleep, err = time.ParseDuration(env.Get(EnvSleep, kvs.GetWithDefault(Sleep, DefaultKVS)))
	if err != nil {

	cfg.Enable = env.Get(EnvEnable, kvs.GetWithDefault(Enable, DefaultKVS)) == config.EnableOn

	if d := env.Get(EnvBlockSize, kvs.GetWithDefault(BlockSize, DefaultKVS)); d != "" {
		objectSize, err := humanize.ParseBytes(d)
		if err != nil {
			return cfg, err
		}
		cfg.BlockSize = int64(objectSize)
	}

	cfg.Endpoint = env.Get(EnvEndpoint, kvs.GetWithDefault(Endpoint, DefaultKVS))

	cfg = Config{
		MaxTimeout: 30 * time.Second,
	}
	if err = config.CheckValidKeys(config.DriveSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}
	// if not set. Get default value from environment
	d := kvs.GetWithDefault(MaxTimeout, DefaultKVS)
	if d == "" {
		d = env.Get("_MINIO_DRIVE_MAX_TIMEOUT", "")
		if d == "" {
			d = env.Get("_MINIO_DISK_MAX_TIMEOUT", "")
		}
	}

	dur, _ := time.ParseDuration(d)

	return len(kvs) == 0
}

// Clone - returns a copy of the KVS
func (kvs KVS) Clone() KVS {
	return append(make(KVS, 0, len(kvs)), kvs...)
}

// GetWithDefault - returns default value if key not set
func (kvs KVS) GetWithDefault(key string, defaultKVS KVS) string {
	v := kvs.Get(key)
	if len(v) == 0 {
		return defaultKVS.Get(key)
	}
	return v
}