/// <summary>
/// 创建一个新的日志流并开始记录
/// </summary>
/// <param name="client">AWS 客户端</param>
/// <param name="groupName">日志组名称</param>
/// <param name="streamName">日志流名称</param>
/// <returns></returns>
public static CloudWatchLogger CreateStream( AmazonCloudWatchLogsClient client, string groupName, string streamName )
{
var response = client.CreateLogStream( new CreateLogStreamRequest { LogGroupName = groupName, LogStreamName = streamName } );
return new CloudWatchLogger( client, groupName, streamName );
}