packagestate

type DirStore interface {
	Append(key string, record []byte) error
	Records(key string) iter.Seq2[[]byte, error]
	Replace(key string, records [][]byte) error
	Remove(key string) error
	Move(key string, to DirStore, toKey string) error
	RewriteMove(key string, to DirStore, toKey string, rewrite func([]byte) ([]byte, error)) error
}

type HostMapper interface {
	HostDir(vfsDir string) (string, bool)
}

type Store interface {
	Dir(context.Context, string) (DirStore, error)
}