{
  "$schema": "https://json-structure.org/draft/2020-12/schema",
  "name": "Descriptor",
  "type": "object",
  "properties": {
    "mediaType": {
      "type": "string"
    },
    "size": {
      "type": "integer"
    },
    "digest": {
      "type": "string"
    },
    "urls": {
      "type": "array"
    },
    "annotations": {
      "type": "object"
    }
  }
}