{
  "id": "page-has-heading-one",
  "evaluate": "page-has-elm.js",
  "after": "page-has-elm-after.js",
  "options": {
    "selector": "h1:not([role]), [role=\"heading\"][aria-level=\"1\"]"
  },
  "metadata": {
    "impact": "moderate",
    "messages": {
      "pass": "Page has at least one level-one heading",
      "fail": "Page must have a level-one heading"
    }
  }
}