{
  "type": "Program",
  "sourceType": "module",
  "body": [
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "AssignmentExpression",
        "operator": "=",
        "left": {
          "type": "MemberExpression",
          "computed": true,
          "object": {
            "type": "ThisExpression"
          },
          "property": {
            "type": "Identifier",
            "name": "arg"
          }
        },
        "right": {
          "type": "Literal",
          "raw": "true",
          "value": true
        }
      }
    }
  ]
}