{
	"$schema": "https://json-schema.org/draft/2020-12/schema",
	"$id": "/mime",
	"title": "A single generic attachment for documenting any asset",

	"type": "object",
	"properties": {
		"contentType": {
			"type": "string",
			"$comment": "valid mime type"
		},
		"contentTransferEncoding": {
			"type": "string",
			"enum": ["BASE64", "QUOTED-PRINTABLE", "8BIT", "7BIT"]
		},
		"subject": {
			"type": "string",
			"$comment": "utf-8"
		},
		"body": {
			"type": "string",
			"$comment": "uri including dataurl"
		},
		"ref": {
			"type": "string",
			"format": "uri"
		}
	},
	"required": ["contentType", "subject"],
	"oneOf": [
		{
			"required": ["body"]
		},
		{
			"required": ["ref"]
		}
	]
}