etcd

type Recorder interface {
	Certificate() error
	Put(string, string) error
	//Put(string,[]byte) error
	PutWithLease(string, string, clientv3.OpOption) error
	Get(string) ([]byte, error)
	GetWithPrefix(string) (map[string][]byte, error)
	Del(string) error
	DelWithPrefix(string) error
	NewLease() clientv3.Lease
	GetWatcher(string) clientv3.WatchChan
	Close() error
}