{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"start_line"}]}
    start_line = source_map.doctest_offset_line(&file.name, start_line);
    // FIXME(#79417): Currently we have no way to offset doctest _columns_.
    end_line = source_map.doctest_offset_line(&file.name, end_line);