{
  "type": "Script",
  "span": {
    "start": 0,
    "end": 47,
    "ctxt": 0
  },
  "body": [
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 0,
        "end": 31,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 4,
            "end": 30,
            "ctxt": 0
          },
          "id": {
            "type": "ArrayPattern",
            "span": {
              "start": 4,
              "end": 10,
              "ctxt": 0
            },
            "elements": [
              {
                "type": "Identifier",
                "span": {
                  "start": 5,
                  "end": 6,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false,
                "typeAnnotation": null
              },
              {
                "type": "Identifier",
                "span": {
                  "start": 8,
                  "end": 9,
                  "ctxt": 0
                },
                "value": "b",
                "optional": false,
                "typeAnnotation": null
              }
            ],
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "ArrayExpression",
            "span": {
              "start": 13,
              "end": 30,
              "ctxt": 0
            },
            "elements": [
              {
                "spread": null,
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 14,
                    "end": 23,
                    "ctxt": 0
                  },
                  "value": "undefined",
                  "optional": false
                }
              },
              {
                "spread": null,
                "expression": {
                  "type": "NullLiteral",
                  "span": {
                    "start": 25,
                    "end": 29,
                    "ctxt": 0
                  }
                }
              }
            ]
          },
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 32,
        "end": 39,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 32,
          "end": 38,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 32,
            "end": 33,
            "ctxt": 0
          },
          "value": "a",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "StringLiteral",
          "span": {
            "start": 36,
            "end": 38,
            "ctxt": 0
          },
          "value": "",
          "hasEscape": false,
          "kind": {
            "type": "normal",
            "containsQuote": true
          }
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 40,
        "end": 47,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 40,
          "end": 46,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 40,
            "end": 41,
            "ctxt": 0
          },
          "value": "b",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "StringLiteral",
          "span": {
            "start": 44,
            "end": 46,
            "ctxt": 0
          },
          "value": "",
          "hasEscape": false,
          "kind": {
            "type": "normal",
            "containsQuote": true
          }
        }
      }
    }
  ],
  "interpreter": null
}