Tools for graphs were added

StructureHelperCommon/Models/Parameters/IArrayParameter.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Parameters
+{
+    public interface IArrayParameter<T>
+    {
+        T[,] Data { get; }
+        string[] ColumnLabels { get; set; }
+    }
+}