first commit

Core/Collections/IDataMap.cs

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+using System.Numerics;
+
+namespace Just.Core.Collections;
+
+public interface IDataMap<T> : IMap<T>, ICloneable
+    where T : IComparisonOperators<T, T, bool>, IEqualityOperators<T, T, bool>
+{
+    MapPoint<T> Min { get; }
+    MapPoint<T> Max { get; }
+}