controller

Scheme src/k8s.io/apimachinery/pkg/runtime/scheme.go

• serializing and deserializing API objects
• converting group, version, and kind information
• foundation for a versioned API and versioned configuration

SchemeBuilder          = runtime.NewSchemeBuilder(addKnownTypes, addDefaultingFuncs)
AddToScheme            = SchemeBuilder.AddToScheme

var scheme = runtime.NewScheme()
AddToScheme(scheme)