Lightroom Rendition

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://lr.adobe.io/schemas/lightroom/rendition.json",
  "title": "Lightroom Rendition",
  "description": "Schema for an Adobe Lightroom asset rendition. Renditions are server-generated preview images derived from the master file with current develop settings applied. Available in multiple sizes from small thumbnails to full-resolution exports.",
  "type": "object",
  "required": [
    "type",
    "rendition_type"
  ],
  "properties": {
    "type": {
      "type": "string",
      "description": "Resource type identifier",
      "const": "rendition"
    },
    "rendition_type": {
      "type": "string",
      "description": "Size classification of the rendition. thumbnail2x is a small thumbnail, numeric values indicate the longest edge in pixels, and fullsize is the maximum available resolution.",
      "enum": [
        "thumbnail2x",
        "640",
        "1024",
        "2048",
        "fullsize"
      ]
    },
    "asset_id": {
      "type": "string",
      "description": "Unique identifier of the source asset"
    },
    "catalog_id": {
      "type": "string",
      "description": "Unique identifier of the catalog containing the source asset"
    },
    "width": {
      "type": "integer",
      "description": "Width of the rendition in pixels",
      "minimum": 1
    },
    "height": {
      "type": "integer",
      "description": "Height of the rendition in pixels",
      "minimum": 1
    },
    "contentType": {
      "type": "string",
      "description": "MIME type of the rendition image",
      "const": "image/jpeg"
    },
    "contentLength": {
      "type": "integer",
      "description": "Size of the rendition file in bytes",
      "minimum": 0
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the rendition was generated"
    },
    "updated": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the rendition was last regenerated"
    },
    "links": {
      "$ref": "#/$defs/Links"
    }
  },
  "$defs": {
    "Links": {
      "type": "object",
      "description": "HATEOAS navigation links",
      "properties": {
        "self": {
          "$ref": "#/$defs/Link"
        },
        "asset": {
          "$ref": "#/$defs/Link"
        }
      },
      "additionalProperties": {
        "$ref": "#/$defs/Link"
      }
    },
    "Link": {
      "type": "object",
      "properties": {
        "href": {
          "type": "string",
          "description": "URL of the linked resource"
        }
      },
      "required": [
        "href"
      ]
    }
  }
}