/// <summary>
/// 删除机器组，如果机器组上有配置，则 Logtail 上对应的配置也会被删除。
/// </summary>
/// <param name="client">client实例。</param>
/// <param name="groupName">机器分组名称。</param>
/// <param name="project">项目名，此参数将覆盖 client 中默认设置。</param>
/// <returns>异步响应结果。</returns>
/// <seealso cref="ILogServiceClient.DeleteMachineGroupAsync"/>
public static Task <IResponse> DeleteMachineGroupAsync(this ILogServiceClient client,
String groupName,
String project = null)
=> client.DeleteMachineGroupAsync(new DeleteMachineGroupRequest(groupName)
{
ProjectName = project
});