{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"res.id_map"}]}
        res.id_map = hashbrown::HashTable::with_capacity(res.arena.len());
        res.ptr_map = hashbrown::HashTable::with_capacity(res.arena.len());
        for (idx, (ptr, ast_id)) in res.arena.iter() {