{
  "programs": [
    "Program {\n    span: 41..119,\n    kind: Script,\n    body: [\n        _,\n        _,\n    ],\n}"
  ],
  "stmts": [
    "Decl(\n    _,\n)",
    "Decl(\n    _,\n)"
  ],
  "decls": [
    "TsTypeAlias(\n    TsTypeAliasDecl {\n        span: 41..82,\n        ident: Ident {\n            span: 46..58,\n            sym: \"PromiseAlias\",\n        },\n        declare: false,\n        type_params: [\n            Ident {\n                span: 59..60,\n                sym: \"T\",\n            },\n        ],\n        ty: _,\n    },\n)",
    "Fn(\n    FnDecl {\n        span: 77..119,\n        ident: Ident {\n            span: 92..93,\n            sym: \"f\",\n        },\n        declare: false,\n        params: [],\n        body: [],\n    },\n)"
  ],
  "pats": [],
  "exprs": [],
  "module_decls": [],
  "functions": [],
  "classes": [],
  "class_members": [],
  "jsx_elements": [],
  "ts_types": [
    "TypeRef(\n    TsTypeRef {\n        span: 72..74,\n        name: Ident {\n            span: 72..74,\n            sym: \"T\",\n        },\n        type_args: [],\n    },\n)",
    "TypeRef(\n    TsTypeRef {\n        span: 64..75,\n        name: Ident {\n            span: 64..72,\n            sym: \"Promise\",\n        },\n        type_args: [\n            _,\n        ],\n    },\n)"
  ]
}
