storage

type Storer interface {
	Setup() error
	Teardown() error

	GetKey(string) ([]byte, error)
	SaveKey(string, []byte) error
	GetKeys(prefix string, separator string) ([]string, error)
	Save(reader types.ReaderWriter, tree *types.Tree) error
	Get(reader types.ReaderWriter, tree *types.Tree) error
	GetVersion(reader types.ReaderWriter, tree *types.Tree, version string) error
	GetVersions(reader types.ReaderWriter, tree *types.Tree) ([]string, error)

	DeleteKeys(prefix string) error

	Lock(key, s string) error
	Unlock(key string) error
}