Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs
===================================================================
diff -u -r0af83c27af5046fdd700b8e03136cb468dd30e48 -rec54ae2880790e8111aef31be951080dd818a4fe
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs	(.../PipingConfigurationReader.cs)	(revision 0af83c27af5046fdd700b8e03136cb468dd30e48)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs	(.../PipingConfigurationReader.cs)	(revision ec54ae2880790e8111aef31be951080dd818a4fe)
@@ -40,7 +40,7 @@
     /// <summary>
     /// This class reads a piping configuration from XML and creates a collection of corresponding <see cref="IReadPipingCalculationItem"/>.
     /// </summary>
-    public class PipingConfigurationReader
+    internal class PipingConfigurationReader
     {
         private readonly XDocument xmlDocument;
 
@@ -56,7 +56,7 @@
         /// <item><paramref name="xmlFilePath"/> points to a file that does not pass the schema validation.</item>
         /// </list>
         /// </exception>
-        public PipingConfigurationReader(string xmlFilePath)
+        internal PipingConfigurationReader(string xmlFilePath)
         {
             IOUtils.ValidateFilePath(xmlFilePath);
 
@@ -73,7 +73,7 @@
         /// Reads the piping configuration from the XML and creates a collection of corresponding <see cref="IReadPipingCalculationItem"/>.
         /// </summary>
         /// <returns>A collection of read <see cref="IReadPipingCalculationItem"/>.</returns>
-        public IEnumerable<IReadPipingCalculationItem> Read()
+        internal IEnumerable<IReadPipingCalculationItem> Read()
         {
             return ParseReadPipingCalculationItems(xmlDocument.Root?.Elements());
         }
Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Schema/PipingConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -rf648a2ccf55c5a0f35eed517e3d2f6d9ded20ab7 -rec54ae2880790e8111aef31be951080dd818a4fe
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Schema/PipingConfigurationSchemaIdentifiers.cs	(.../PipingConfigurationSchemaIdentifiers.cs)	(revision f648a2ccf55c5a0f35eed517e3d2f6d9ded20ab7)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Schema/PipingConfigurationSchemaIdentifiers.cs	(.../PipingConfigurationSchemaIdentifiers.cs)	(revision ec54ae2880790e8111aef31be951080dd818a4fe)
@@ -24,91 +24,91 @@
     /// <summary>
     /// Container of identifiers related to the piping configuration schema definition.
     /// </summary>
-    public static class PipingConfigurationSchemaIdentifiers
+    internal static class PipingConfigurationSchemaIdentifiers
     {
         /// <summary>
         /// Gets the identifier for root elements.
         /// </summary>
-        public static string RootElement => "root";
+        internal static string RootElement => "root";
 
         /// <summary>
         /// Gets the identifier for calculation elements.
         /// </summary>
-        public static string CalculationElement => "berekening";
+        internal static string CalculationElement => "berekening";
 
         /// <summary>
         /// Gets the identifier for folder elements.
         /// </summary>
-        public static string FolderElement => "map";
+        internal static string FolderElement => "map";
 
         /// <summary>
         /// Gets the identifier for name attributes.
         /// </summary>
-        public static string NameAttribute => "naam";
+        internal static string NameAttribute => "naam";
 
         /// <summary>
         /// Gets the identifier for assessment level elements.
         /// </summary>
-        public static string AssessmentLevelElement => "toetspeil";
+        internal static string AssessmentLevelElement => "toetspeil";
 
         /// <summary>
         /// Gets the identifier for hydraulic boundary location elements.
         /// </summary>
-        public static string HydraulicBoundaryLocationElement => "hrlocatie";
+        internal static string HydraulicBoundaryLocationElement => "hrlocatie";
 
         /// <summary>
         /// Gets the identifier for surface line elements.
         /// </summary>
-        public static string SurfaceLineElement => "profielschematisatie";
+        internal static string SurfaceLineElement => "profielschematisatie";
 
         /// <summary>
         /// Gets the identifier for entry point elements.
         /// </summary>
-        public static string EntryPointElement => "intredepunt";
+        internal static string EntryPointElement => "intredepunt";
 
         /// <summary>
         /// Gets the identifier for exit point elements.
         /// </summary>
-        public static string ExitPointElement => "uittredepunt";
+        internal static string ExitPointElement => "uittredepunt";
 
         /// <summary>
         /// Gets the identifier for stochastic soil model elements.
         /// </summary>
-        public static string StochasticSoilModelElement => "ondergrondmodel";
+        internal static string StochasticSoilModelElement => "ondergrondmodel";
 
         /// <summary>
         /// Gets the identifier for stochastic soil profile elements.
         /// </summary>
-        public static string StochasticSoilProfileElement => "ondergrondschematisatie";
+        internal static string StochasticSoilProfileElement => "ondergrondschematisatie";
 
         /// <summary>
         /// Gets the identifier for stochasts elements.
         /// </summary>
-        public static string StochastsElement => "stochasten";
+        internal static string StochastsElement => "stochasten";
 
         /// <summary>
         /// Gets the identifier for stochast elements.
         /// </summary>
-        public static string StochastElement => "stochast";
+        internal static string StochastElement => "stochast";
 
         /// <summary>
         /// Gets the identifier for mean elements.
         /// </summary>
-        public static string MeanElement => "verwachtingswaarde";
+        internal static string MeanElement => "verwachtingswaarde";
 
         /// <summary>
         /// Gets the identifier for standard deviation elements.
         /// </summary>
-        public static string StandardDeviationElement => "standaardafwijking";
+        internal static string StandardDeviationElement => "standaardafwijking";
 
         /// <summary>
         /// Gets the identifier for the phreatic level exit stochast names.
         /// </summary>
-        public static string PhreaticLevelExitStochastName => "polderpeil";
+        internal static string PhreaticLevelExitStochastName => "polderpeil";
 
         /// <summary>
         /// Gets the identifier for the damping factor exit stochast names.
         /// </summary>
-        public static string DampingFactorExitStochastName => "dempingsfactor";
+        internal static string DampingFactorExitStochastName => "dempingsfactor";
     }
 }
\ No newline at end of file