{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"usage_map.used_map.get(&item).unwrap().into_iter().find_map(|item|"}]}
            usage_map.used_map.get(&item).unwrap().into_iter().find_map(|item| match *item {
        let source =
                MonoItem::Fn(ref instance_s) => {