{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"ty::FnDef(def_id,"}]}
            ty::FnDef(def_id, _) => {
        match autoderef.final_ty(false).kind() {
                let abi = self.tcx.fn_sig(def_id).skip_binder().skip_binder().abi;