using Newtonsoft.Json.Linq; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; namespace Serein.Library.Network.WebSocketCommunication.Handle { /// /// 表示参数不能为空(Net462不能使用NutNull的情况) /// public sealed class NeedfulAttribute : Attribute { } }