type multiTransformer … var _ … // newMultiTransformer constructs a multiTransformer. func newMultiTransformer(t []*resmap.TransformerWithProperties) resmap.Transformer { … } // Transform applies the member transformers in order to the resources, // optionally detecting and erroring on commutation conflict. func (o *multiTransformer) Transform(m resmap.ResMap) error { … }