{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.inner.borrow_mut().unwrap_region_constraints().new_region_var(universe,"}]}
            self.inner.borrow_mut().unwrap_region_constraints().new_region_var(universe, origin);
        let region_var =
        ty::Region::new_var(self.tcx, region_var)