{
  "type": "File",
  "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":37}},
  "program": {
    "type": "Program",
    "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":37}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "VariableDeclaration",
        "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":37}},
        "declarations": [
          {
            "type": "VariableDeclarator",
            "start":6,"end":36,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":36}},
            "id": {
              "type": "Identifier",
              "start":6,"end":9,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":9},"identifierName":"foo"},
              "name": "foo"
            },
            "init": {
              "type": "ArrowFunctionExpression",
              "start":12,"end":36,"loc":{"start":{"line":1,"column":12},"end":{"line":1,"column":36}},
              "id": null,
              "generator": false,
              "async": false,
              "params": [
                {
                  "type": "ObjectPattern",
                  "start":13,"end":29,"loc":{"start":{"line":1,"column":13},"end":{"line":1,"column":29}},
                  "properties": [
                    {
                      "type": "ObjectProperty",
                      "start":15,"end":27,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":27}},
                      "method": false,
                      "key": {
                        "type": "Identifier",
                        "start":15,"end":20,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":20},"identifierName":"async"},
                        "name": "async"
                      },
                      "computed": false,
                      "shorthand": true,
                      "value": {
                        "type": "AssignmentPattern",
                        "start":15,"end":27,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":27}},
                        "left": {
                          "type": "Identifier",
                          "start":15,"end":20,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":20},"identifierName":"async"},
                          "name": "async"
                        },
                        "right": {
                          "type": "BooleanLiteral",
                          "start":23,"end":27,"loc":{"start":{"line":1,"column":23},"end":{"line":1,"column":27}},
                          "value": true
                        }
                      },
                      "extra": {
                        "shorthand": true
                      }
                    }
                  ]
                }
              ],
              "body": {
                "type": "BlockStatement",
                "start":34,"end":36,"loc":{"start":{"line":1,"column":34},"end":{"line":1,"column":36}},
                "body": [],
                "directives": []
              }
            }
          }
        ],
        "kind": "const"
      }
    ],
    "directives": []
  }
}