storage

type Backend[K, V any] interface {
	Get(ctx context.Context, key K) (value V, found bool, err error)
	Set(ctx context.Context, key K, value V) error
	Delete(ctx context.Context, key K) error
	List(ctx context.Context, pageSize *int, pageToken *K) (entries iter.Seq2[K, V], nextPageToken *K, err error)
	Flush(ctx context.Context) error
	Close(ctx context.Context) error
}

type Codec[K, V any] interface {
	EncodeKey(K) ([]byte, error)
	DecodeKey([]byte) (K, error)
	EncodeValue(V) ([]byte, error)
	DecodeValue([]byte) (V, error)
}

type Entry[K, V any] struct {
	Key   K
	Value V
}

type JSONCodec[K, V any] struct{}