/// <summary>
/// 合并两个相邻的 readwrite 状态的 Shards。在参数中指定一个 shardid，服务端自动找相邻的下一个 Shard。
/// </summary>
/// <param name="client">client实例。</param>
/// <param name="logstoreName">日志库名称</param>
/// <param name="shardId">Shard ID</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.MergeShardsAsync"/>
public static Task <IResponse <IList <ShardInfo> > > MergeShardsAsync(this ILogServiceClient client,
String logstoreName, Int32 shardId,
String project = null)
=> client.MergeShardsAsync(new MergeShardRequest(logstoreName, shardId)
{
ProjectName = project
});
