Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs
===================================================================
diff -u -r8f1aa8966d866743c259bb14fb4bff7a9e76a703 -r469c1810a2cc836791b78d185c7c1b0d414ec472
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs	(.../IAssessmentSectionMergeDataProvider.cs)	(revision 8f1aa8966d866743c259bb14fb4bff7a9e76a703)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs	(.../IAssessmentSectionMergeDataProvider.cs)	(revision 469c1810a2cc836791b78d185c7c1b0d414ec472)
@@ -21,8 +21,8 @@
 
 using System;
 using System.Collections.Generic;
-using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Integration.Data;
+using Ringtoets.Integration.Data.Merge;
 
 namespace Ringtoets.Integration.Forms.Merge
 {
@@ -32,22 +32,13 @@
     public interface IAssessmentSectionMergeDataProvider
     {
         /// <summary>
-        /// Gets the selected <see cref="AssessmentSection"/>.
+        /// Gets the data to merge.
         /// </summary>
-        AssessmentSection SelectedAssessmentSection { get; }
-
-        /// <summary>
-        /// Gets the collection of selected <see cref="IFailureMechanism"/>.
-        /// </summary>
-        IEnumerable<IFailureMechanism> SelectedFailureMechanisms { get; }
-
-        /// <summary>
-        /// Select the data to merge.
-        /// </summary>
-        /// <param name="assessmentSections">The collection of assessment sections to select from.</param>
-        /// <returns>Indicator whether selection succeeded.</returns>
+        /// <param name="assessmentSections">The collection of assessment sections to get the merge
+        /// data from.</param>
+        /// <returns>The selected merge data.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="assessmentSections"/>
         /// is <c>null</c>.</exception>
-         bool SelectData(IEnumerable<AssessmentSection> assessmentSections);
+        AssessmentSectionMergeData GetMergeData(IEnumerable<AssessmentSection> assessmentSections);
     }
 }
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