{
  "type": "File",
  "start":0,"end":21,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":7}},
  "errors": [
    "SyntaxError: Unexpected reserved word 'let' (2:0)"
  ],
  "program": {
    "type": "Program",
    "start":0,"end":21,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":7}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ExpressionStatement",
        "start":14,"end":21,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":7}},
        "expression": {
          "type": "BinaryExpression",
          "start":14,"end":21,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":7}},
          "left": {
            "type": "Identifier",
            "start":14,"end":17,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":3},"identifierName":"let"},
            "name": "let"
          },
          "operator": "+",
          "right": {
            "type": "NumericLiteral",
            "start":20,"end":21,"loc":{"start":{"line":2,"column":6},"end":{"line":2,"column":7}},
            "extra": {
              "rawValue": 1,
              "raw": "1"
            },
            "value": 1
          }
        }
      }
    ],
    "directives": [
      {
        "type": "Directive",
        "start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
        "value": {
          "type": "DirectiveLiteral",
          "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
          "value": "use strict",
          "extra": {
            "raw": "\"use strict\"",
            "rawValue": "use strict"
          }
        }
      }
    ]
  }
}