code: func ValidateAPIServiceStatusUpdate(newAPIService *apiregistration.APIService, oldAPIService *apiregistration.APIService) field.ErrorList {
  	allErrs := validation.ValidateObjectMetaUpdate(&newAPIService.ObjectMeta, &oldAPIService.ObjectMeta, field.NewPath("metadata"))
  	allErrs = append(allErrs, ValidateAPIServiceStatus(&newAPIService.Status, field.NewPath("status"))...)
  	return allErrs
  }
docs: // ValidateAPIServiceStatusUpdate validates an update of the status field of APIService.