Index: Migration/Core/src/Migration.Core.Storage/VersionedFileMigrator.cs
===================================================================
diff -u -r60985085195eb7c41933b5d2983d68b88d289bc8 -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Core/src/Migration.Core.Storage/VersionedFileMigrator.cs	(.../VersionedFileMigrator.cs)	(revision 60985085195eb7c41933b5d2983d68b88d289bc8)
+++ Migration/Core/src/Migration.Core.Storage/VersionedFileMigrator.cs	(.../VersionedFileMigrator.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -72,7 +72,7 @@
         /// <param name="toVersion">The version to upgrade to.</param>
         /// <returns><c>true</c> if <paramref name="versionedFile"/> needs to be upgraded to <paramref name="toVersion"/>, 
         /// <c>false</c> otherwise.</returns>
-        public bool NeedsMigrate(VersionedFile versionedFile, string toVersion)
+        public bool NeedsMigrate(IVersionedFile versionedFile, string toVersion)
         {
             return ringtoetsVersionComparer.Compare(versionedFile.GetVersion(), toVersion) < 0;
         }
@@ -85,7 +85,7 @@
         /// <param name="newFileLocation">The location where the migrated file needs to be saved.</param>
         /// <exception cref="CriticalDatabaseMigrationException">Thrown when migrating <paramref name="fromVersionedFile"/> 
         /// to a new version on location <paramref name="newFileLocation"/> failed.</exception>
-        public void Migrate(VersionedFile fromVersionedFile, string toVersion, string newFileLocation)
+        public void Migrate(IVersionedFile fromVersionedFile, string toVersion, string newFileLocation)
         {
             if (Path.GetFullPath(fromVersionedFile.Location).Equals(Path.GetFullPath(newFileLocation)))
             {
@@ -105,7 +105,7 @@
                                                                            fromVersion, toVersion));
             }
 
-            var upgradedVersionFile = migrationScript.Upgrade(fromVersionedFile);
+            IVersionedFile upgradedVersionFile = migrationScript.Upgrade(fromVersionedFile);
             if (!upgradedVersionFile.GetVersion().Equals(toVersion))
             {
                 Migrate(upgradedVersionFile, toVersion, newFileLocation);
Index: Migration/Core/test/Migration.Core.Storage.Test/VersionedFileMigratorTest.cs
===================================================================
diff -u -r60985085195eb7c41933b5d2983d68b88d289bc8 -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Core/test/Migration.Core.Storage.Test/VersionedFileMigratorTest.cs	(.../VersionedFileMigratorTest.cs)	(revision 60985085195eb7c41933b5d2983d68b88d289bc8)
+++ Migration/Core/test/Migration.Core.Storage.Test/VersionedFileMigratorTest.cs	(.../VersionedFileMigratorTest.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -79,7 +79,7 @@
         {
             // Setup
             string sourceFilePath = TestHelper.GetTestDataPath(TestDataPath.Migration.Core.Storage, "Demo164.rtd");
-            VersionedFile versionedFile = new VersionedFile(sourceFilePath);
+            var versionedFile = new VersionedFile(sourceFilePath);
             var migrator = new VersionedFileMigrator();
 
             // Call
@@ -94,7 +94,7 @@
         {
             // Setup
             string sourceFilePath = TestHelper.GetTestDataPath(TestDataPath.Migration.Core.Storage, "Demo164.rtd");
-            VersionedFile versionedFile = new VersionedFile(sourceFilePath);
+            var versionedFile = new VersionedFile(sourceFilePath);
             var migrator = new VersionedFileMigrator();
 
             // Call
Index: Migration/Scripts/src/Migration.Scripts.Data/CreateScript.cs
===================================================================
diff -u -r6846763244edb70b20baed7e886e4d9092bfae0e -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/src/Migration.Scripts.Data/CreateScript.cs	(.../CreateScript.cs)	(revision 6846763244edb70b20baed7e886e4d9092bfae0e)
+++ Migration/Scripts/src/Migration.Scripts.Data/CreateScript.cs	(.../CreateScript.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -72,7 +72,7 @@
         /// </list></exception>
         /// <exception cref="SQLiteException">Thrown when executing query failed.</exception>
         /// 
-        public VersionedFile CreateEmptyVersionedFile(string location)
+        public IVersionedFile CreateEmptyVersionedFile(string location)
         {
             IOUtils.ValidateFilePathIsWritable(location);
 
Index: Migration/Scripts/src/Migration.Scripts.Data/IVersionedFile.cs
===================================================================
diff -u
--- Migration/Scripts/src/Migration.Scripts.Data/IVersionedFile.cs	(revision 0)
+++ Migration/Scripts/src/Migration.Scripts.Data/IVersionedFile.cs	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -0,0 +1,50 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using Core.Common.Base.Storage;
+using Core.Common.IO.Exceptions;
+
+namespace Migration.Scripts.Data
+{
+    /// <summary>
+    /// Interface that defines a file that has a version.
+    /// </summary>
+    public interface IVersionedFile
+    {
+        /// <summary>
+        /// Gets the location of the versioned file.
+        /// </summary>
+        string Location { get; }
+
+        /// <summary>
+        /// Gets the version of the <see cref="IVersionedFile"/>.
+        /// </summary>
+        /// <returns>The version.</returns>
+        /// <exception cref="CriticalFileReadException">Thrown when:
+        /// <list type="bullet">
+        /// <item>No file could be found at <see cref="Location"/>.</item>
+        /// <item>Unable to open file at <see cref="Location"/>.</item>
+        /// </list>
+        /// </exception>
+        /// <exception cref="StorageValidationException">Thrown when is not a valid file.</exception>
+        string GetVersion();
+    }
+}
\ No newline at end of file
Index: Migration/Scripts/src/Migration.Scripts.Data/Migration.Scripts.Data.csproj
===================================================================
diff -u -r244fcc727a46643076dc4ed4dd9df08033ce67d8 -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/src/Migration.Scripts.Data/Migration.Scripts.Data.csproj	(.../Migration.Scripts.Data.csproj)	(revision 244fcc727a46643076dc4ed4dd9df08033ce67d8)
+++ Migration/Scripts/src/Migration.Scripts.Data/Migration.Scripts.Data.csproj	(.../Migration.Scripts.Data.csproj)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -46,6 +46,7 @@
     </Compile>
     <Compile Include="CreateScript.cs" />
     <Compile Include="Exceptions\CriticalDatabaseMigrationException.cs" />
+    <Compile Include="IVersionedFile.cs" />
     <Compile Include="MigrationScript.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
Index: Migration/Scripts/src/Migration.Scripts.Data/MigrationScript.cs
===================================================================
diff -u -rf5120263f838eaf211d8f73ca08a78c22e9777fb -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/src/Migration.Scripts.Data/MigrationScript.cs	(.../MigrationScript.cs)	(revision f5120263f838eaf211d8f73ca08a78c22e9777fb)
+++ Migration/Scripts/src/Migration.Scripts.Data/MigrationScript.cs	(.../MigrationScript.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -74,13 +74,13 @@
         }
 
         /// <summary>
-        /// Uses <paramref name="sourceVersionedFile"/> to upgrade to a new <see cref="VersionedFile"/>.
+        /// Uses <paramref name="sourceVersionedFile"/> to upgrade to a new <see cref="IVersionedFile"/>.
         /// </summary>
         /// <param name="sourceVersionedFile"></param>
-        /// <returns>The upgraded <see cref="VersionedFile"/>.</returns>
+        /// <returns>The upgraded <see cref="IVersionedFile"/>.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="sourceVersionedFile"/> is <c>null</c>.</exception>
         /// <exception cref="CriticalDatabaseMigrationException">Thrown when migration failed.</exception>
-        public VersionedFile Upgrade(VersionedFile sourceVersionedFile)
+        public IVersionedFile Upgrade(IVersionedFile sourceVersionedFile)
         {
             if (sourceVersionedFile == null)
             {
@@ -90,7 +90,7 @@
 
             try
             {
-                VersionedFile newVersionedFile = createScript.CreateEmptyVersionedFile(newLocation);
+                IVersionedFile newVersionedFile = createScript.CreateEmptyVersionedFile(newLocation);
                 upgradeScript.Upgrade(sourceVersionedFile, newVersionedFile);
                 return newVersionedFile;
             }
Index: Migration/Scripts/src/Migration.Scripts.Data/UpgradeScript.cs
===================================================================
diff -u -r7050299dc93fba048f82eb9e11d90c86a8508596 -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/src/Migration.Scripts.Data/UpgradeScript.cs	(.../UpgradeScript.cs)	(revision 7050299dc93fba048f82eb9e11d90c86a8508596)
+++ Migration/Scripts/src/Migration.Scripts.Data/UpgradeScript.cs	(.../UpgradeScript.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -93,7 +93,7 @@
         /// <item><paramref name="target"/> is <c>null</c>.</item>
         /// </list></exception>
         /// <exception cref="SQLiteException">Thrown when executing query failed.</exception>
-        public void Upgrade(VersionedFile source, VersionedFile target)
+        public void Upgrade(IVersionedFile source, IVersionedFile target)
         {
             if (source == null)
             {
Index: Migration/Scripts/src/Migration.Scripts.Data/VersionedFile.cs
===================================================================
diff -u -rf5120263f838eaf211d8f73ca08a78c22e9777fb -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/src/Migration.Scripts.Data/VersionedFile.cs	(.../VersionedFile.cs)	(revision f5120263f838eaf211d8f73ca08a78c22e9777fb)
+++ Migration/Scripts/src/Migration.Scripts.Data/VersionedFile.cs	(.../VersionedFile.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -29,7 +29,7 @@
     /// <summary>
     /// Class that defines a file that has a version.
     /// </summary>
-    public class VersionedFile
+    public class VersionedFile : IVersionedFile
     {
         /// <summary>
         /// Creates a new instance of the <see cref="VersionedFile"/> class.
@@ -49,22 +49,8 @@
             Location = path;
         }
 
-        /// <summary>
-        /// Gets the location of the versioned file.
-        /// </summary>
         public string Location { get; }
 
-        /// <summary>
-        /// Gets the version of the <see cref="VersionedFile"/>.
-        /// </summary>
-        /// <returns>The version.</returns>
-        /// <exception cref="CriticalFileReadException">Thrown when:
-        /// <list type="bullet">
-        /// <item>No file could be found at <see cref="Location"/>.</item>
-        /// <item>Unable to open file at <see cref="Location"/>.</item>
-        /// </list>
-        /// </exception>
-        /// <exception cref="StorageValidationException">Thrown when is not a valid file.</exception>
         public string GetVersion()
         {
             using (var sourceFile = new RingtoetsDatabaseSourceFile(Location))
Index: Migration/Scripts/test/Migration.Scripts.Data.Test/CreateScriptTest.cs
===================================================================
diff -u -r818656bda5265c4053d1d7a3bec2d0259080e2e0 -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/test/Migration.Scripts.Data.Test/CreateScriptTest.cs	(.../CreateScriptTest.cs)	(revision 818656bda5265c4053d1d7a3bec2d0259080e2e0)
+++ Migration/Scripts/test/Migration.Scripts.Data.Test/CreateScriptTest.cs	(.../CreateScriptTest.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -88,7 +88,7 @@
             var createScript = new CreateScript(version, query);
 
             // Call
-            VersionedFile versionedFile = createScript.CreateEmptyVersionedFile(filePath);
+            IVersionedFile versionedFile = createScript.CreateEmptyVersionedFile(filePath);
 
             // Assert
             Assert.IsTrue(File.Exists(versionedFile.Location));
Index: Migration/Scripts/test/Migration.Scripts.Data.Test/MigrationScriptTest.cs
===================================================================
diff -u -rf5120263f838eaf211d8f73ca08a78c22e9777fb -r07ab02003751f717e8534ff7392cb915efcdc3b8
--- Migration/Scripts/test/Migration.Scripts.Data.Test/MigrationScriptTest.cs	(.../MigrationScriptTest.cs)	(revision f5120263f838eaf211d8f73ca08a78c22e9777fb)
+++ Migration/Scripts/test/Migration.Scripts.Data.Test/MigrationScriptTest.cs	(.../MigrationScriptTest.cs)	(revision 07ab02003751f717e8534ff7392cb915efcdc3b8)
@@ -120,7 +120,7 @@
             var versionedFile = new VersionedFile("c:\\file.ext");
 
             // Call
-            VersionedFile upgradedFile = migrationScript.Upgrade(versionedFile);
+            IVersionedFile upgradedFile = migrationScript.Upgrade(versionedFile);
 
             // Assert
             Assert.IsNotNull(upgradedFile);
@@ -138,7 +138,7 @@
             var versionedFile = new VersionedFile("c:\\file.ext");
 
             // Call
-            VersionedFile upgradedFile = migrationScript.Upgrade(versionedFile);
+            IVersionedFile upgradedFile = migrationScript.Upgrade(versionedFile);
 
             // Assert
             Assert.IsNotNull(upgradedFile);