Creation of ADO Connection

Adaptation/FileHandlers/Priority/Aggregation.cs

@@ -34,4 +34,10 @@ public class Aggregation
     [JsonPropertyName("Records")] public ReadOnlyCollection<Record> Records { get; }
     [JsonPropertyName("Sum")] public int Sum { get; }
 
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(Aggregation))]
+internal partial class AggregationSourceGenerationContext : JsonSerializerContext
+{
 }