code: func RunKustomizeBuild(out io.Writer, fSys fs.FileSystem, path string) error {
  	f := k8sdeps.NewFactory()
  	o := build.NewOptions(path, "")
  	return o.RunBuild(out, fSys, f.ResmapF, f.TransformerF)
  }
docs: // RunKustomizeBuild runs kustomize build given a filesystem and a path