// instead, which does not copy.
func (ls Set) AsSelectorPreValidated() Selector {
	return SelectorFromValidatedSet(ls)
}

// FormatLabels converts label map into plain string
func FormatLabels(labelMap map[string]string) string {
	l := Set(labelMap).String()
	if l == "" {
		l = "<none>"
	}
	return l
}

	var values []string
	for _, key := range opts.ColumnLabels {
		values = append(values, itemLabels[key])
	}
	if opts.ShowLabels {
		values = append(values, labels.FormatLabels(itemLabels))
	}
	return values
}

// appendLabelCells returns a slice of value columns matching the requested print options.
// Intended for use with tables.

	row := metav1.TableRow{
		Object: runtime.RawExtension{Object: obj},
	}
	names, images := layoutContainerCells(obj.Template.Spec.Containers)
	row.Cells = append(row.Cells, obj.Name, names, images, labels.FormatLabels(obj.Template.Labels))
	return []metav1.TableRow{row}, nil
}

func printPodTemplateList(list *api.PodTemplateList, options printers.GenerateOptions) ([]metav1.TableRow, error) {