{
  "id": "region",
  "evaluate": "region-evaluate",
  "options": {
    "regionMatcher": "dialog, [role=dialog], [role=alertdialog], svg, iframe"
  },
  "metadata": {
    "impact": "moderate",
    "messages": {
      "pass": "All page content is contained by landmarks",
      "fail": "Some page content is not contained by landmarks"
    }
  }
}