{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"Arc::clone(file_index_to_file.borrow_mut().entry(index).or_insert_with(||"}]}
        Arc::clone(file_index_to_file.borrow_mut().entry(index).or_insert_with(|| {
            let source_file_id = &file_index_to_stable_id[&index];