{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"for"}]}
        for group in dead_codes.chunk_by(|a, b| a.level == b.level) {
        dead_codes.sort_by_key(|v| v.level.0);
            self.lint_at_single_level(&group, participle, Some(def_id), report_on);