{
  "type": "Program",
  "body": [
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "BinaryExpression",
        "operator": "!==",
        "left": {
          "type": "UnaryExpression",
          "operator": "typeof",
          "argument": {
            "type": "MemberExpression",
            "computed": false,
            "object": {
              "type": "ThisExpression"
            },
            "property": {
              "type": "Identifier",
              "name": "interval"
            }
          },
          "prefix": true
        },
        "right": {
          "type": "Literal",
          "value": "number",
          "raw": "'number'"
        }
      }
    }
  ],
  "sourceType": "module"
}
