{
  "id": "only-listitems",
  "evaluate": "only-listitems-evaluate",
  "metadata": {
    "impact": "serious",
    "messages": {
      "pass": "List element only has direct children that are allowed inside <li> elements",
      "fail": {
        "default": "List element has direct children that are not allowed inside <li> elements",
        "roleNotValid": "List element has direct children with a role that is not allowed: ${data.roles}"
      }
    }
  }
}