type ImageMetaResolver interface {
	ResolveImageConfig(ctx context.Context, ref string, opt Opt) (string, digest.Digest, []byte, error)
}

type MetaResolver interface {
	ResolveSourceMetadata(ctx context.Context, op *pb.SourceOp, opt Opt) (*MetaResponse, error)
}

type MetaResponse struct {
	Op *pb.SourceOp

	Image *ResolveImageResponse
}

type Opt struct {
	LogName        string
	SourcePolicies []*spb.Policy
	Platform       *ocispecs.Platform

	ImageOpt     *ResolveImageOpt
	OCILayoutOpt *ResolveOCILayoutOpt
}

type ResolveImageConfigOptStore struct {
	SessionID string
	StoreID   string
}

type ResolveImageOpt struct {
	ResolveMode string
}

type ResolveImageResponse struct {
	Digest digest.Digest
	Config []byte
}

type ResolveOCILayoutOpt struct {
	Store ResolveImageConfigOptStore
}

type ResolverType int

const (
	ResolverTypeRegistry ResolverType = iota
	ResolverTypeOCILayout
)