{"ast_node_type":"import","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
                // `.rev()` because we are popping them from the back of the `todo` vector.
            |w: &mut dyn io::Write, alloc: ConstAllocation<'tcx>| -> io::Result<()> {
                for id in alloc_ids_from_alloc(alloc).rev() {