{
  "type": "File",
  "start":0,"end":25,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":12}},
  "errors": [
    "SyntaxError: Identifier 'A' has already been declared (2:5)"
  ],
  "program": {
    "type": "Program",
    "start":0,"end":25,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":12}},
    "sourceType": "module",
    "interpreter": null,
    "body": [
      {
        "type": "TypeAlias",
        "start":0,"end":12,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":12}},
        "id": {
          "type": "Identifier",
          "start":5,"end":6,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":6},"identifierName":"A"},
          "name": "A"
        },
        "typeParameters": null,
        "right": {
          "type": "ObjectTypeAnnotation",
          "start":9,"end":11,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":11}},
          "callProperties": [],
          "properties": [],
          "indexers": [],
          "internalSlots": [],
          "exact": false,
          "inexact": false
        }
      },
      {
        "type": "TypeAlias",
        "start":13,"end":25,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":12}},
        "id": {
          "type": "Identifier",
          "start":18,"end":19,"loc":{"start":{"line":2,"column":5},"end":{"line":2,"column":6},"identifierName":"A"},
          "name": "A"
        },
        "typeParameters": null,
        "right": {
          "type": "ObjectTypeAnnotation",
          "start":22,"end":24,"loc":{"start":{"line":2,"column":9},"end":{"line":2,"column":11}},
          "callProperties": [],
          "properties": [],
          "indexers": [],
          "internalSlots": [],
          "exact": false,
          "inexact": false
        }
      }
    ],
    "directives": []
  }
}