{
  "lexicon": 1,
  "id": "pub.leaflet.blocks.header",
  "defs": {
    "main": {
      "type": "object",
      "required": [
        "plaintext"
      ],
      "properties": {
        "facets": {
          "type": "array",
          "items": {
            "type": "ref",
            "ref": "pub.leaflet.richtext.facet"
          }
        },
        "level": {
          "type": "integer",
          "minimum": 1,
          "maximum": 6
        },
        "plaintext": {
          "type": "string"
        }
      }
    }
  }
}