Use Priority when Poll not set

Adaptation/FileHandlers/Priority/Aggregation.cs

@@ -0,0 +1,37 @@
+using System.Collections.ObjectModel;
+using System.Text.Json.Serialization;
+
+namespace Adaptation.FileHandlers.Priority;
+
+public class Aggregation
+{
+
+    [JsonConstructor]
+    public Aggregation(
+        string average,
+        int count,
+        int? inverse,
+        int maximum,
+        int minimum,
+        ReadOnlyCollection<Record> records,
+        int sum
+    )
+    {
+        Average = average;
+        Count = count;
+        Inverse = inverse;
+        Maximum = maximum;
+        Minimum = minimum;
+        Records = records;
+        Sum = sum;
+    }
+
+    [JsonPropertyName("Average")] public string Average { get; }
+    [JsonPropertyName("Count")] public int Count { get; }
+    [JsonPropertyName("Inverse")] public int? Inverse { get; }
+    [JsonPropertyName("Maximum")] public int Maximum { get; }
+    [JsonPropertyName("Minimum")] public int Minimum { get; }
+    [JsonPropertyName("Records")] public ReadOnlyCollection<Record> Records { get; }
+    [JsonPropertyName("Sum")] public int Sum { get; }
+
+}