{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "LayoutReference",
  "type": "object",
  "description": "Slide layout reference.",
  "properties": {
    "predefinedLayout": {
      "type": "string",
      "description": "Predefined layout."
    },
    "layoutId": {
      "type": "string",
      "description": "Layout ID referring to an existing layout in the presentation."
    }
  }
}