{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(path) = self.eat_metavar_seq(MetaVarKind::Ty { is_path: true }, |this| {
        // of reparsing it as a `ty` and then extracting the path.
            this.parse_path(PathStyle::Type)