first pass at adding required changes
diff --git a/src/ProtocolBuffers.Serialization/DictionaryWriter.cs b/src/ProtocolBuffers.Serialization/DictionaryWriter.cs
index 96175a7..4c3b011 100644
--- a/src/ProtocolBuffers.Serialization/DictionaryWriter.cs
+++ b/src/ProtocolBuffers.Serialization/DictionaryWriter.cs
@@ -53,6 +53,19 @@
             message.WriteTo(this);

         }

 

+

+        /// <summary>

+        /// No-op

+        /// </summary>

+        public override void StartMessage()

+        { }

+

+        /// <summary>

+        /// No-op

+        /// </summary>

+        public override void EndMessage()

+        { }

+

         /// <summary>

         /// Writes a Boolean value

         /// </summary>