Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/FileImporters/HeightStructureUpdateDataStrategy.cs
===================================================================
diff -u -rdf53f0268b7c15f000796a38436b2c40069b9b07 -r72c1ce6bda4b00156c3f07cf69cb0377825dcb5e
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/FileImporters/HeightStructureUpdateDataStrategy.cs	(.../HeightStructureUpdateDataStrategy.cs)	(revision df53f0268b7c15f000796a38436b2c40069b9b07)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/FileImporters/HeightStructureUpdateDataStrategy.cs	(.../HeightStructureUpdateDataStrategy.cs)	(revision 72c1ce6bda4b00156c3f07cf69cb0377825dcb5e)
@@ -26,6 +26,7 @@
 using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Data.UpdateDataStrategies;
+using Ringtoets.Common.Forms;
 using Ringtoets.Common.IO.Structures;
 using Ringtoets.Common.Service;
 using Ringtoets.Common.Utils;