{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"assert!(!UndoLogs::<UndoLog<'_>>::in_snapshot(&inner.undo_log));"}]}
            assert!(!UndoLogs::<UndoLog<'_>>::in_snapshot(&inner.undo_log));
            );
            inner.region_constraint_storage.take().expect("regions already resolved")