{
  "type": "Program",
  "loc": {
    "start": {
      "line": 1,
      "column": 0,
      "offset": 0
    },
    "end": {
      "line": 1,
      "column": 13,
      "offset": 13
    }
  },
  "sourceType": "script",
  "body": [
    {
      "type": "ExpressionStatement",
      "loc": {
        "start": {
          "line": 1,
          "column": 0,
          "offset": 0
        },
        "end": {
          "line": 1,
          "column": 13,
          "offset": 13
        }
      },
      "expression": {
        "type": "AssignmentExpression",
        "loc": {
          "start": {
            "line": 1,
            "column": 0,
            "offset": 0
          },
          "end": {
            "line": 1,
            "column": 13,
            "offset": 13
          }
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "loc": {
            "start": {
              "line": 1,
              "column": 0,
              "offset": 0
            },
            "end": {
              "line": 1,
              "column": 1,
              "offset": 1
            }
          },
          "name": "z"
        },
        "right": {
          "type": "ObjectExpression",
          "loc": {
            "start": {
              "line": 1,
              "column": 4,
              "offset": 4
            },
            "end": {
              "line": 1,
              "column": 13,
              "offset": 13
            }
          },
          "properties": [
            {
              "type": "Property",
              "loc": {
                "start": {
                  "line": 1,
                  "column": 5,
                  "offset": 5
                },
                "end": {
                  "line": 1,
                  "column": 6,
                  "offset": 6
                }
              },
              "method": false,
              "shorthand": true,
              "computed": false,
              "key": {
                "type": "Identifier",
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 5,
                    "offset": 5
                  },
                  "end": {
                    "line": 1,
                    "column": 6,
                    "offset": 6
                  }
                },
                "name": "x"
              },
              "value": {
                "type": "Identifier",
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 5,
                    "offset": 5
                  },
                  "end": {
                    "line": 1,
                    "column": 6,
                    "offset": 6
                  }
                },
                "name": "x"
              }
            },
            {
              "type": "Property",
              "loc": {
                "start": {
                  "line": 1,
                  "column": 8,
                  "offset": 8
                },
                "end": {
                  "line": 1,
                  "column": 12,
                  "offset": 12
                }
              },
              "key": null,
              "value": {
                "type": "SpreadElement",
                "argument": {
                  "type": "Identifier",
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 11,
                      "offset": 11
                    },
                    "end": {
                      "line": 1,
                      "column": 12,
                      "offset": 12
                    }
                  },
                  "name": "y"
                }
              }
            }
          ]
        }
      }
    }
  ]
}