{
  "programs": [
    "Program {\n    span: 1..233,\n    kind: Script,\n    body: [\n        _,\n        _,\n    ],\n}"
  ],
  "stmts": [
    "Decl(\n    _,\n)",
    "Decl(\n    _,\n)"
  ],
  "decls": [
    "TsInterface(\n    TsInterfaceDecl {\n        span: 1..106,\n        ident: Ident {\n            span: 11..15,\n            sym: \"Base\",\n        },\n        declare: false,\n        type_params: [],\n        extends: [],\n        body: [\n            TsTypeMember {\n                span: 22..54,\n                kind: Index,\n                name: None,\n                optional: false,\n                readonly: false,\n                params: [\n                    TsFnParam {\n                        span: 23..24,\n                        name: Some(\n                            Ident {\n                                span: 23..24,\n                                sym: \"x\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: false,\n                    },\n                ],\n                ty: Some(\n                    _,\n                ),\n            },\n            TsTypeMember {\n                span: 53..95,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 53..54,\n                            sym: \"x\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "TsInterface(\n    TsInterfaceDecl {\n        span: 97..233,\n        ident: Ident {\n            span: 107..114,\n            sym: \"Derived\",\n        },\n        declare: false,\n        type_params: [],\n        extends: [\n            Ident {\n                span: 123..129,\n                sym: \"Base\",\n            },\n        ],\n        body: [\n            TsTypeMember {\n                span: 134..203,\n                kind: Index,\n                name: None,\n                optional: false,\n                readonly: false,\n                params: [\n                    TsFnParam {\n                        span: 135..136,\n                        name: Some(\n                            Ident {\n                                span: 135..136,\n                                sym: \"x\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: false,\n                    },\n                ],\n                ty: Some(\n                    _,\n                ),\n            },\n            TsTypeMember {\n                span: 202..233,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 202..203,\n                            sym: \"y\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)"
  ],
  "pats": [],
  "exprs": [],
  "module_decls": [],
  "functions": [],
  "classes": [],
  "class_members": [],
  "jsx_elements": [],
  "ts_types": [
    "Keyword(\n    String,\n)",
    "Keyword(\n    Number,\n)",
    "TypeLit(\n    TsTypeLit {\n        span: 35..54,\n        members: [\n            TsTypeMember {\n                span: 37..48,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 37..38,\n                            sym: \"a\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Number,\n)",
    "TypeLit(\n    TsTypeLit {\n        span: 56..95,\n        members: [\n            TsTypeMember {\n                span: 66..78,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 66..67,\n                            sym: \"a\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n            TsTypeMember {\n                span: 77..93,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 77..78,\n                            sym: \"b\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "Keyword(\n    String,\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Number,\n)",
    "TypeLit(\n    TsTypeLit {\n        span: 147..184,\n        members: [\n            TsTypeMember {\n                span: 157..169,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 157..158,\n                            sym: \"a\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n            TsTypeMember {\n                span: 168..183,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 168..169,\n                            sym: \"b\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "Keyword(\n    Number,\n)",
    "TypeLit(\n    TsTypeLit {\n        span: 205..233,\n        members: [\n            TsTypeMember {\n                span: 215..231,\n                kind: Property,\n                name: Some(\n                    Ident(\n                        Ident {\n                            span: 215..216,\n                            sym: \"a\",\n                        },\n                    ),\n                ),\n                optional: false,\n                readonly: false,\n                params: [],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)"
  ]
}
