code: func ValidateDryRun(fldPath *field.Path, dryRun []string) field.ErrorList {
  	allErrs := field.ErrorList{}
  	if !allowedDryRunValues.HasAll(dryRun...) {
  		allErrs = append(allErrs, field.NotSupported(fldPath, dryRun, allowedDryRunValues.List()))
  	}
  	return allErrs
  }
docs: // ValidateDryRun validates that a dryRun query param only contains allowed values.