code: func (rs *Registrations) AddToScheme(scheme *runtime.Scheme) error {
  	for _, registration := range *rs {
  		for _, addToSchemeFunc := range registration.AddToSchemeFuncs {
  			if err := addToSchemeFunc(scheme); err != nil {
  				return err
  			}
  		}
  	}
  	return nil
  }
docs: // AddToScheme adds all the known ComponentConfig API types referenced in the Registrations object to the scheme