{
  "type": "File",
  "start": 0,
  "end": 18,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 1,
      "column": 18
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 18,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 1,
        "column": 18
      }
    },
    "sourceType": "module",
    "body": [
      {
        "type": "DeclareClass",
        "start": 0,
        "end": 18,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 1,
            "column": 18
          }
        },
        "id": {
          "type": "Identifier",
          "start": 14,
          "end": 15,
          "loc": {
            "start": {
              "line": 1,
              "column": 14
            },
            "end": {
              "line": 1,
              "column": 15
            },
            "identifierName": "A"
          },
          "name": "A"
        },
        "typeParameters": null,
        "extends": [],
        "mixins": [],
        "body": {
          "type": "ObjectTypeAnnotation",
          "start": 16,
          "end": 18,
          "loc": {
            "start": {
              "line": 1,
              "column": 16
            },
            "end": {
              "line": 1,
              "column": 18
            }
          },
          "callProperties": [],
          "properties": [],
          "indexers": [],
          "exact": false
        }
      }
    ],
    "directives": []
  }
}