{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"if"}]}
        if self.token_uninterpolated_span().at_least_rust_2018() && self.eat_keyword(exp!(Await)) {
    fn parse_dot_suffix(&mut self, self_arg: P<Expr>, lo: Span) -> PResult<'a, P<Expr>> {
            return Ok(self.mk_await_expr(self_arg, lo));