{
  "type": "File",
  "start":0,"end":30,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":30}},
  "program": {
    "type": "Program",
    "start":0,"end":30,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":30}},
    "sourceType": "module",
    "interpreter": null,
    "body": [
      {
        "type": "ClassDeclaration",
        "start":0,"end":30,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":30}},
        "id": {
          "type": "Identifier",
          "start":6,"end":9,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":9},"identifierName":"Foo"},
          "name": "Foo"
        },
        "superClass": null,
        "implements": [
          {
            "type": "ClassImplements",
            "start":21,"end":27,"loc":{"start":{"line":1,"column":21},"end":{"line":1,"column":27}},
            "id": {
              "type": "Identifier",
              "start":21,"end":27,"loc":{"start":{"line":1,"column":21},"end":{"line":1,"column":27},"identifierName":"switch"},
              "name": "switch"
            },
            "typeParameters": null
          }
        ],
        "body": {
          "type": "ClassBody",
          "start":28,"end":30,"loc":{"start":{"line":1,"column":28},"end":{"line":1,"column":30}},
          "body": []
        }
      }
    ],
    "directives": []
  }
}