{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"for"}]}
    for span in span_stack.clone() {
    let span_stack = std::iter::successors(Some(span), |span| Some(&span.expansion.as_ref()?.span));
        let abs_path = resolve_path(config, workspace_root, &span.file_name);