kvstore

type KV interface {
	// Get returns the value for key and whether it exists. A missing key is
	// (nil, false, nil) — not an error.
	Get(ctx context.Context, key string) (value []byte, found bool, err error)
	// Put stores value under key (overwriting any existing value).
	Put(ctx context.Context, key string, value []byte) error
	// Delete removes key; deleting a missing key is a no-op (no error).
	Delete(ctx context.Context, key string) error
	// List returns the keys that start with prefix.
	List(ctx context.Context, prefix string) (keys []string, err error)
}