231         public void Merge(IMessage source, IMessage destination, FieldMask.MergeOptions options)  in Merge()  argument
233             if (source.Descriptor != destination.Descriptor)  in Merge()
243             Merge(root, "", source, destination, options);  in Merge()
253             IMessage destination,  in Merge()  argument
256             if (source.Descriptor != destination.Descriptor)  in Merge()
281                     var destinationField = field.Accessor.GetValue(destination);  in Merge()
294                         field.Accessor.SetValue(destination, destinationField);  in Merge()
306                         field.Accessor.Clear(destination);  in Merge()
310                     var destinationField = (IList)field.Accessor.GetValue(destination);  in Merge()
325                                 field.Accessor.Clear(destination);  in Merge()
329                                 field.Accessor.SetValue(destination, sourceField);  in Merge()
337 …                             var destinationValue = (IMessage)field.Accessor.GetValue(destination);  in Merge()
344 …        field.Accessor.SetValue(destination, field.MessageType.Parser.ParseFrom(sourceByteString));  in Merge()
354                             field.Accessor.SetValue(destination, sourceField);  in Merge()
358                             field.Accessor.Clear(destination);  in Merge()