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ManagementApp/AServices/ThreadManage/IConcurrentTasks.cs

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+namespace ManagementApp.AServices.ThreadManage
+{ 
+    public interface IConcurrentTasks<T>
+    {
+        ValueTask Add(Func<CancellationToken, ValueTask> value);
+  
+        ValueTask<Func<CancellationToken, ValueTask>> Search(T key, CancellationToken cancellationToken);
+
+        ValueTask<Func<CancellationToken, ValueTask>> Update(T key, CancellationToken cancellationToken, Func<CancellationToken, ValueTask> value);
+
+    }
+
+    public interface IConcurrentTasks
+    {
+        ValueTask Add(Func<CancellationToken, ValueTask> value);
+        ValueTask<Func<CancellationToken, ValueTask>> Last(CancellationToken cancellationToken);
+
+        ValueTask<Func<CancellationToken, ValueTask>> First(CancellationToken cancellationToken);
+
+    }
+}