{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema.org/ImageObject",
  "title": "ImageObject",
  "description": "Minimal subset of schema.org/ImageObject for use in Recipe image property",
  "type": "object",
  "required": [
    "@type",
    "url"
  ],
  "properties": {
    "@type": {
      "const": "ImageObject"
    },
    "url": {
      "$ref": "url.json"
    },
    "caption": {
      "type": "string",
      "description": "A caption for the image."
    },
    "width": {
      "type": [
        "integer",
        "string"
      ],
      "description": "Width of the image in pixels or as a string with unit."
    },
    "height": {
      "type": [
        "integer",
        "string"
      ],
      "description": "Height of the image in pixels or as a string with unit."
    }
  },
  "additionalProperties": true
}