{
  "_meta": {
    "hostvars": {
      "localhost": {
        "_errors": [
          "cannot find hosts namespace \"hosts\""
        ]
      }
    }
  },
  "all": {
    "children": [
      "ungrouped"
    ]
  },
  "ungrouped": {
    "hosts": [
      "localhost"
    ]
  }
}