Key:           target.NATSStreaming,
			Value:         config.EnableOff,
			HiddenIfEmpty: true,
		},
		config.KV{
			Key:           target.NATSStreamingAsync,
			Value:         config.EnableOff,
			HiddenIfEmpty: true,
		},
		config.KV{
			Key:           target.NATSStreamingMaxPubAcksInFlight,
			Value:         "0",
			HiddenIfEmpty: true,
		},
		config.KV{
			Key:           target.NATSStreamingClusterID,

		},
		config.KV{
			Key:   ClassRRS,
			Value: "EC:1",
		},
		config.KV{
			Key:   Optimize,
			Value: "availability",
		},
		config.KV{
			Key:           InlineBlock,
			Value:         "",
			HiddenIfEmpty: true,
		},
	}
)

// StorageClass - holds storage class information
type StorageClass struct {
	Parity int
}

// ConfigLock is a global lock for storage-class config
var ConfigLock sync.RWMutex

		HelpDeprecatedSubSysMap[k] = v
	}
}

// KV - is a shorthand of each key value.
type KV struct {
	Key   string `json:"key"`
	Value string `json:"value"`

	HiddenIfEmpty bool `json:"-"`
}

func (kv KV) String() string {
	var s strings.Builder
	s.WriteString(kv.Key)
	s.WriteString(KvSeparator)
	spc := madmin.HasSpace(kv.Value)
	if spc {