1 files changed, 5 insertions, 0 deletions
diff --git a/src/ProtocolBuffers/AbstractMessage.cs b/src/ProtocolBuffers/AbstractMessage.cs
index 0a69f294..11bb948e 100644
--- a/src/ProtocolBuffers/AbstractMessage.cs
+++ b/src/ProtocolBuffers/AbstractMessage.cs
@@ -58,12 +58,17 @@ namespace Google.ProtocolBuffers {
     public abstract UnknownFieldSet UnknownFields { get; }
     public abstract TMessage DefaultInstanceForType { get; }
     public abstract TBuilder CreateBuilderForType();
+    public abstract TBuilder ToBuilder();
     #endregion
     
     public IBuilder WeakCreateBuilderForType() {
       return CreateBuilderForType();
     }
 
+    public IBuilder WeakToBuilder() {
+      return ToBuilder();
+    }
+
     public IMessage WeakDefaultInstanceForType {
       get { return DefaultInstanceForType; }
     }