{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"ut::UnificationTable::with_log(&mut"}]}
        ut::UnificationTable::with_log(&mut self.storage.unification_table, self.undo_log)
    fn unification_table_mut(&mut self) -> super::UnificationTable<'_, 'tcx, RegionVidKey<'tcx>> {
    }