Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/DikesDesign/SurfaceLineAdapterTest.cs
===================================================================
diff -u -r6404 -r7077
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/DikesDesign/SurfaceLineAdapterTest.cs	(.../SurfaceLineAdapterTest.cs)	(revision 6404)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/DikesDesign/SurfaceLineAdapterTest.cs	(.../SurfaceLineAdapterTest.cs)	(revision 7077)
@@ -1,4 +1,4 @@
-// Copyright (C) Stichting Deltares 2025. All rights reserved.
+// Copyright (C) Stichting Deltares 2026. All rights reserved.
 // 
 // This file is part of the Dam Engine.
 // 
@@ -148,7 +148,7 @@
         Assert.That(() => new StubSurfaceLineAdapter(surfaceLine1, location, 0), Throws.InstanceOf<SurfaceLineAdapterException>());
     }
 
-    class StubSurfaceLineAdapter : SurfaceLineAdapter
+    private class StubSurfaceLineAdapter : SurfaceLineAdapter
     {
         public StubSurfaceLineAdapter(SurfaceLine2 surfaceLine, Location location, double scenarioPolderLevel)
             : base(surfaceLine, location, scenarioPolderLevel) {}