{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"(_,"}]}
            (_, &ty::RawPtr(ty_b, mutbl_b), &ty::Ref(_, ty_a, mutbl_a)) => {
            }
                if let Some(steps) = self.deref_steps_for_suggestion(ty_a, ty_b)