--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepthdev/WaterlevelSoundingHistoricalPairSelectState.java	Fri Mar 16 18:08:38 2018 +0100
@@ -0,0 +1,27 @@
+/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+package org.dive4elements.river.artifacts.sinfo.flowdepthdev;
+
+import org.dive4elements.river.artifacts.sinfo.common.DatacagePairSelectState;
+
+/**
+ * @author Gernot Belger
+ *
+ */
+// FIXME: very ugly; but probably we will break the serialization of WaterlevelPairSelectState if we introduce an
+// abstraction
+public final class WaterlevelSoundingHistoricalPairSelectState extends DatacagePairSelectState {
+
+    private static final long serialVersionUID = 1L;
+
+    public WaterlevelSoundingHistoricalPairSelectState() {
+        super("sinfo_flowdepth_twin_panel", FlowDepthDevelopmentAccess.FIELD_DIFFID_HIST);
+    }
+}
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