{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "layout.schema.json",
  "title": "Layout",
  "type": "object",
  "properties": {
    "rows": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "rowlayout.schema.json" }
    }
  },
  "required": [ "rows" ],
  "additionalProperties": false
}