{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"self.tcx.late_bound_vars(self.tcx.local_def_id_to_hir_id(fn_id));"}]}
                        self.tcx.late_bound_vars(self.tcx.local_def_id_to_hir_id(fn_id));
                    let bound_vars =
                    let ty = Binder::bind_with_vars(ty, bound_vars);