[
  {
    "type": "SingleLine",
    "text": " 'i' lookup can be observed by obj's getter.",
    "start": {
      "line": 4,
      "column": 22,
      "offset": 67
    },
    "end": {
      "line": 5,
      "column": 0,
      "offset": 114
    }
  }
]