{"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"}"}]}
                } else if let Op::BinOp(_) = op
                    suggest_deref_binop(&mut err, lhs_deref_ty);
                    && let ty::Ref(region, lhs_deref_ty, mutbl) = lhs_ty.kind()