{
  "programs": [
    "Program {\n    span: 11..186,\n    kind: Script,\n    body: [\n        _,\n        _,\n        _,\n        _,\n        _,\n    ],\n}"
  ],
  "stmts": [
    "Decl(\n    _,\n)",
    "Decl(\n    _,\n)",
    "Decl(\n    _,\n)",
    "Decl(\n    _,\n)",
    "Expr(\n    ExprStmt {\n        span: 179..186,\n        expr: _,\n    },\n)"
  ],
  "decls": [
    "TsInterface(\n    TsInterfaceDecl {\n        span: 11..70,\n        ident: Ident {\n            span: 21..22,\n            sym: \"A\",\n        },\n        declare: false,\n        type_params: [],\n        extends: [],\n        body: [\n            TsTypeMember {\n                span: 27..60,\n                kind: Call,\n                name: None,\n                optional: false,\n                readonly: false,\n                params: [\n                    TsFnParam {\n                        span: 28..39,\n                        name: Some(\n                            Ident {\n                                span: 28..32,\n                                sym: \"this\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: false,\n                    },\n                    TsFnParam {\n                        span: 40..51,\n                        name: Some(\n                            Ident {\n                                span: 40..41,\n                                sym: \"b\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: true,\n                    },\n                ],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "TsInterface(\n    TsInterfaceDecl {\n        span: 61..122,\n        ident: Ident {\n            span: 71..72,\n            sym: \"B\",\n        },\n        declare: false,\n        type_params: [],\n        extends: [],\n        body: [\n            TsTypeMember {\n                span: 77..112,\n                kind: Call,\n                name: None,\n                optional: false,\n                readonly: false,\n                params: [\n                    TsFnParam {\n                        span: 78..91,\n                        name: Some(\n                            Ident {\n                                span: 78..82,\n                                sym: \"this\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: false,\n                    },\n                    TsFnParam {\n                        span: 92..103,\n                        name: Some(\n                            Ident {\n                                span: 92..93,\n                                sym: \"b\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: true,\n                    },\n                ],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "TsInterface(\n    TsInterfaceDecl {\n        span: 113..157,\n        ident: Ident {\n            span: 123..124,\n            sym: \"C\",\n        },\n        declare: false,\n        type_params: [],\n        extends: [],\n        body: [\n            TsTypeMember {\n                span: 129..149,\n                kind: Call,\n                name: None,\n                optional: false,\n                readonly: false,\n                params: [\n                    TsFnParam {\n                        span: 130..140,\n                        name: Some(\n                            Ident {\n                                span: 130..131,\n                                sym: \"i\",\n                            },\n                        ),\n                        ty: Some(\n                            _,\n                        ),\n                        is_rest: false,\n                        optional: false,\n                    },\n                ],\n                ty: Some(\n                    _,\n                ),\n            },\n        ],\n    },\n)",
    "Var(\n    VarDecl {\n        span: 158..181,\n        kind: Const,\n        declare: true,\n        declarators: [\n            VarDeclarator {\n                span: 158..178,\n                name: _,\n                init: None,\n            },\n        ],\n    },\n)"
  ],
  "pats": [
    "Ident(\n    Ident {\n        span: 164..166,\n        sym: \"fn\",\n    },\n)"
  ],
  "exprs": [
    "Ident(\n    Ident {\n        span: 179..181,\n        sym: \"fn\",\n    },\n)",
    "Lit(\n    Num(\n        NumberLit {\n            span: 182..183,\n            value: 0.0,\n        },\n    ),\n)",
    "Call(\n    CallExpr {\n        span: 181..185,\n        callee: _,\n        args: [\n            ExprOrSpread {\n                spread: false,\n                expr: _,\n            },\n        ],\n    },\n)"
  ],
  "module_decls": [],
  "functions": [],
  "classes": [],
  "class_members": [],
  "jsx_elements": [],
  "ts_types": [
    "Keyword(\n    Void,\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Void,\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Void,\n)",
    "Keyword(\n    Number,\n)",
    "Keyword(\n    Void,\n)"
  ]
}
