var err error

	// get an object of type used by this message
	dstX, err := dst.UnmarshalNew()
	if err != nil {
		return nil, err
	}

	// get an object of type used by this message
	srcX, err := src.UnmarshalNew()
	if err != nil {
		return nil, err
	}

	// Merge the two typed protos
	merge.Merge(dstX, srcX)