{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"Self"}]}
        Self { tcx, typing_env: body.typing_env(tcx), def_id, history: Vec::new(), changed: false }
    fn new(tcx: TyCtxt<'tcx>, def_id: DefId, body: &Body<'tcx>) -> Self {
    }