{
  "type": "File",
  "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
  "errors": [
    "SyntaxError: constructors in/after an Optional Chain are not allowed (1:10)"
  ],
  "program": {
    "type": "Program",
    "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ExpressionStatement",
        "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
        "expression": {
          "type": "NewExpression",
          "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
          "callee": {
            "type": "OptionalMemberExpression",
            "start":4,"end":10,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":10}},
            "object": {
              "type": "OptionalMemberExpression",
              "start":4,"end":8,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":8}},
              "object": {
                "type": "Identifier",
                "start":4,"end":5,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":5},"identifierName":"C"},
                "name": "C"
              },
              "property": {
                "type": "Identifier",
                "start":7,"end":8,"loc":{"start":{"line":1,"column":7},"end":{"line":1,"column":8},"identifierName":"b"},
                "name": "b"
              },
              "computed": false,
              "optional": true
            },
            "property": {
              "type": "Identifier",
              "start":9,"end":10,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":10},"identifierName":"d"},
              "name": "d"
            },
            "computed": false,
            "optional": false
          },
          "arguments": []
        }
      }
    ],
    "directives": []
  }
}