{
    "type": "Program",
    "body": [
        {
            "type": "ExpressionStatement",
            "expression": {
                "type": "Literal",
                "value": "use strict",
                "raw": "\"use strict\"",
                "range": [
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                },
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        },
        {
            "type": "ExpressionStatement",
            "expression": {
                "type": "UnaryExpression",
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                        22
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                            "column": 22
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                "prefix": true,
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                        "line": 1,
                        "column": 14
                    },
                    "end": {
                        "line": 1,
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                },
                "end": {
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                    "column": 22
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    ],
    "sourceType": "script",
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            "type": "String",
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                "start": {
                    "line": 1,
                    "column": 0
                },
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        },
        {
            "type": "Punctuator",
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                },
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                    "line": 1,
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        {
            "type": "Keyword",
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                },
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                    "column": 20
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                    "column": 21
                },
                "end": {
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                    "column": 22
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            }
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    ],
    "errors": [
        {
            "index": 22,
            "lineNumber": 1,
            "column": 23,
            "message": "Error: Line 1: Delete of an unqualified identifier in strict mode."
        }
    ],
    "range": [
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        "start": {
            "line": 1,
            "column": 0
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        "end": {
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            "column": 22
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}
