diff --git a/src/route/nexthop-list.hpp b/src/route/nexthop-list.hpp
index 77bd4e7..2f7c6f4 100644
--- a/src/route/nexthop-list.hpp
+++ b/src/route/nexthop-list.hpp
@@ -60,9 +60,9 @@
   /*! \brief Adds a next hop to the list.
     \param nh The next hop.
 
-    Add next hop to the Next Hop list If next hop is new it is added
-    If next hop already exists in next hop list then updates the route
-    cost with new next hop's route cost
+    Adds a next hop to this object. If the next hop is new it is
+    added. If the next hop already exists in the list then that next
+    hop's route cost is updated.
   */
   void
   addNextHop(const NextHop& nh);
@@ -72,7 +72,6 @@
 
     The next hop gets removed only if both next hop face and route cost are same.
   */
-
   void
   removeNextHop(const NextHop& nh);
 
@@ -82,6 +81,12 @@
     return m_nexthopList.size();
   }
 
+  size_t
+  getSize() const
+  {
+    return m_nexthopList.size();
+  }
+
   void
   reset()
   {
@@ -128,6 +133,15 @@
   std::set<NextHop, NextHopComparator> m_nexthopList;
 };
 
+bool
+operator==(NexthopList& lhs, NexthopList& rhs);
+
+bool
+operator==(const NexthopList& lhs, const NexthopList& rhs);
+
+std::ostream&
+operator<<(std::ostream& os, const NexthopList& nhl);
+
 } // namespace nlsr
 
 #endif //NLSR_NEXTHOP_LIST_HPP