{
  "type": "File",
  "start":0,"end":18,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":18}},
  "errors": [
    "SyntaxError: Argument name clash. (1:11)"
  ],
  "program": {
    "type": "Program",
    "start":0,"end":18,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":18}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ExpressionStatement",
        "start":0,"end":18,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":18}},
        "expression": {
          "type": "ArrowFunctionExpression",
          "start":0,"end":17,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":17}},
          "id": null,
          "generator": false,
          "async": false,
          "params": [
            {
              "type": "ArrayPattern",
              "start":1,"end":13,"loc":{"start":{"line":1,"column":1},"end":{"line":1,"column":13}},
              "elements": [
                {
                  "type": "Identifier",
                  "start":2,"end":3,"loc":{"start":{"line":1,"column":2},"end":{"line":1,"column":3},"identifierName":"a"},
                  "name": "a"
                },
                {
                  "type": "ArrayPattern",
                  "start":4,"end":7,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":7}},
                  "elements": [
                    {
                      "type": "Identifier",
                      "start":5,"end":6,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":6},"identifierName":"b"},
                      "name": "b"
                    }
                  ]
                },
                {
                  "type": "RestElement",
                  "start":8,"end":12,"loc":{"start":{"line":1,"column":8},"end":{"line":1,"column":12}},
                  "argument": {
                    "type": "Identifier",
                    "start":11,"end":12,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":12},"identifierName":"b"},
                    "name": "b"
                  }
                }
              ]
            }
          ],
          "body": {
            "type": "NumericLiteral",
            "start":16,"end":17,"loc":{"start":{"line":1,"column":16},"end":{"line":1,"column":17}},
            "extra": {
              "rawValue": 0,
              "raw": "0"
            },
            "value": 0
          }
        }
      }
    ],
    "directives": []
  }
}