cache

type Cache interface {
	Get(key []byte) ([]byte, bool)
	GetRange(key []byte, low, high int64) ([]byte, bool)
	Set(key []byte, value []byte) error
	SetTimeout(key []byte, value []byte, timeout time.Duration) error
	Delete(key []byte) error
	Clean() error
	Empty() error
}

type Value struct {
	Timeout int64
	Size    int64
	Value   []byte
}