Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/IAssessmentSectionProvider.cs
===================================================================
diff -u -r20943a562347c31c755aea57361c161061cf8b9a -r7fef5ada51843b4bfd4cfe03d511fb86051c78a7
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/IAssessmentSectionProvider.cs	(.../IAssessmentSectionProvider.cs)	(revision 20943a562347c31c755aea57361c161061cf8b9a)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/IAssessmentSectionProvider.cs	(.../IAssessmentSectionProvider.cs)	(revision 7fef5ada51843b4bfd4cfe03d511fb86051c78a7)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.Collections.Generic;
 using Ringtoets.Integration.Data;
 
@@ -34,6 +35,8 @@
         /// </summary>
         /// <param name="filePath">The file path to read the assessment sections from.</param>
         /// <returns>A collection of <see cref="AssessmentSection"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="filePath"/>
+        /// is <c>null</c>.</exception>
         /// <exception cref="AssessmentSectionProviderException">Thrown when something went wrong
         /// while getting the assessment sections.</exception>
         IEnumerable<AssessmentSection> GetAssessmentSections(string filePath);