{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> ArgAbiExt<'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
    fn get_abi_param(&self, tcx: TyCtxt<'tcx>) -> SmallVec<[AbiParam; 2]> {