const (
	AnnotationIndex              = "index"
	AnnotationIndexDescriptor    = "index-descriptor"
	AnnotationManifest           = "manifest"
	AnnotationManifestDescriptor = "manifest-descriptor"
)

const (
	ExporterConfigDigestKey      = "config.digest"
	ExporterImageDigestKey       = "containerimage.digest"
	ExporterImageConfigKey       = "containerimage.config"
	ExporterImageConfigDigestKey = "containerimage.config.digest"
	ExporterImageDescriptorKey   = "containerimage.descriptor"
	ExporterInlineCache          = "containerimage.inlinecache"
	ExporterBuildInfo            = "containerimage.buildinfo"
	ExporterPlatformsKey         = "refs.platforms"
	ExporterEpochKey             = "source.date.epoch"
)

var KnownRefMetadataKeys = []string{
	ExporterImageConfigKey,
	ExporterInlineCache,
	ExporterBuildInfo,
}

type AnnotationKey struct {
	Type     string
	Platform *ocispecs.Platform
	Key      string
}

type Platform struct {
	ID       string
	Platform ocispecs.Platform
}

type Platforms struct {
	Platforms []Platform
}