diff --git a/utils/spring-mobility-helper.h b/utils/spring-mobility-helper.h
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006, 2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+#ifndef SPRING_MOBILITY_HELPER_H
+#define SPRING_MOBILITY_HELPER_H
+
+#include "ns3/topology-reader.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup mobility
+ *
+ * \brief 
+ */
+class SpringMobilityHelper
+{
+public:
+  static void
+  InstallSprings (Ptr<Node> node1, Ptr<Node> node2);
+
+  static void
+  InstallSprings (TopologyReader::ConstLinksIterator first, 
+                  TopologyReader::ConstLinksIterator end);
+};
+
+} // namespace ns3
+
+#endif // SPRING_MOBILITY_HELPER_H