{
  "type": "File",
  "start":0,"end":34,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":34}},
  "program": {
    "type": "Program",
    "start":0,"end":34,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":34}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ExpressionStatement",
        "start":0,"end":34,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":34}},
        "expression": {
          "type": "AssignmentExpression",
          "start":0,"end":34,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":34}},
          "operator": "=",
          "left": {
            "type": "Identifier",
            "start":0,"end":1,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":1},"identifierName":"x"},
            "name": "x"
          },
          "right": {
            "type": "ObjectExpression",
            "start":4,"end":34,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":34}},
            "properties": [
              {
                "type": "ObjectMethod",
                "start":6,"end":32,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":32}},
                "method": false,
                "key": {
                  "type": "Identifier",
                  "start":10,"end":14,"loc":{"start":{"line":1,"column":10},"end":{"line":1,"column":14},"identifierName":"null"},
                  "name": "null"
                },
                "computed": false,
                "kind": "set",
                "id": null,
                "generator": false,
                "async": false,
                "params": [
                  {
                    "type": "Identifier",
                    "start":15,"end":16,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":16},"identifierName":"w"},
                    "name": "w"
                  }
                ],
                "body": {
                  "type": "BlockStatement",
                  "start":18,"end":32,"loc":{"start":{"line":1,"column":18},"end":{"line":1,"column":32}},
                  "body": [
                    {
                      "type": "ExpressionStatement",
                      "start":20,"end":30,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":30}},
                      "expression": {
                        "type": "AssignmentExpression",
                        "start":20,"end":30,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":30}},
                        "operator": "=",
                        "left": {
                          "type": "Identifier",
                          "start":20,"end":26,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":26},"identifierName":"m_null"},
                          "name": "m_null"
                        },
                        "right": {
                          "type": "Identifier",
                          "start":29,"end":30,"loc":{"start":{"line":1,"column":29},"end":{"line":1,"column":30},"identifierName":"w"},
                          "name": "w"
                        }
                      }
                    }
                  ],
                  "directives": []
                }
              }
            ]
          }
        }
      }
    ],
    "directives": []
  }
}