Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj
===================================================================
diff -u -r91e6f4f761a8efdc9c847c99cdca18f514a67ed1 -r3c686d6ea57d86134a4338e75d3c7663f379716e
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj	(.../Ringtoets.HeightStructures.IO.csproj)	(revision 91e6f4f761a8efdc9c847c99cdca18f514a67ed1)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/Ringtoets.HeightStructures.IO.csproj	(.../Ringtoets.HeightStructures.IO.csproj)	(revision 3c686d6ea57d86134a4338e75d3c7663f379716e)
@@ -38,11 +38,15 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="ConfigurationSchemaIdentifiers.cs" />
+    <Compile Include="HeightStructureCalculationConfiguration.cs" />
+    <Compile Include="HeightStructuresCalculationConfigurationWriter.cs" />
     <Compile Include="HeightStructuresImporter.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">