{"ast_node_type":"variable","tokens":[{"end":65,"kind":"keyword","start":0,"text":"//"}]}
        //     let val = db.parse_macro_expansion(e.key).value.0;
        // for e in hir::db::ParseMacroExpansionQuery.in_db(db).entries::<Vec<_>>() {
        //     total_macro_file_size += syntax_len(val.syntax_node())