kubernetes/vendor/sigs.k8s.io/kustomize/api/internal/accumulator/refvartransformer.go

type refVarTransformer …

// newRefVarTransformer returns a new refVarTransformer
// that replaces $(VAR) style variables with values.
// The fieldSpecs are the places to look for occurrences of $(VAR).
func newRefVarTransformer(
	varMap map[string]interface{ … }

// UnusedVars returns slice of Var names that were unused
// after a Transform run.
func (rv *refVarTransformer) UnusedVars() []string { … }

// Transform replaces $(VAR) style variables with values.
func (rv *refVarTransformer) Transform(m resmap.ResMap) error { … }