| // Copyright (c) 2026, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// A ping request to check client connection. |
| class PingRequest { |
| PingRequest(); |
| |
| Map<String, dynamic> toJson() => {}; |
| |
| factory PingRequest.fromJson(Map<String, dynamic> json) { |
| return PingRequest(); |
| } |
| |
| @override |
| bool operator ==(Object other) => |
| identical(this, other) || other is PingRequest; |
| |
| @override |
| int get hashCode => 0; |
| |
| @override |
| String toString() => 'PingRequest'; |
| } |