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BookAStar/BookAStar/Data/ApiCallFailedException.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BookAStar.Data
+{
+    class ApiCallFailedException : Exception
+    {
+        public ApiCallFailedException(string message) : base(message)
+        {
+
+        }
+
+        public ApiCallFailedException(string message, Exception inner) : base(message, inner)
+        {
+
+        }
+    }
+}