yep

PathFinding/IPlanarCollection.cs

@@ -1,10 +1,11 @@
 using System.Collections.Generic;
+using System.Numerics;
 
 namespace PathFinding
 {
-  public interface IPlanarCollection<T> : IEnumerable<T> where T : IPlanarElement
+  public interface IPlanarCollection<T> where T : IPlanarElement
   {
-    T? this[float x, float y] { get; set; }
-    int GetLength(int dimension);
+    T? this[Vector2 vector] { get; set; }
+    T? this[int x, int y] { get; set; }
   }
 }