object

type Descriptor struct {
	// Digest is the digest of the targeted content.
	Digest digest.Digest `json:"digest"`

	// Size specifies the size in bytes of the targeted content.
	Size uint64 `json:"size"`

	// ContentType specifies the media type string of the targeted content.
	ContentType string `json:"contentType"`
}

type Metadata map[string]interface{}

type Object struct {
	Descriptor `json:"descriptor"`
	Metadata   `json:"metadata"`
	URI        uri.URI `json:"uri"`
}