{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"sym::u128"}]}
        sym::u128 => Some(UnsignedInt(UintTy::U128)),
        sym::i128 => Some(SignedInt(IntTy::I128)),
        sym::isize => Some(SignedInt(IntTy::Isize)),