allErrs = append(allErrs, field.Invalid(f, c.MaxSkew, "not in valid range (0, inf)"))
		}
		allErrs = append(allErrs, validateTopologyKey(p.Child("topologyKey"), c.TopologyKey)...)
		if err := validateWhenUnsatisfiable(p.Child("whenUnsatisfiable"), c.WhenUnsatisfiable); err != nil {
			allErrs = append(allErrs, err)
		}
		if c.LabelSelector != nil {

	if len(topologyKey) == 0 {
		return field.Required(fldPath, "can not be empty")
	}
	return nil
}

// ValidateWhenUnsatisfiable tests that the argument is a valid UnsatisfiableConstraintAction.
func ValidateWhenUnsatisfiable(fldPath *field.Path, action core.UnsatisfiableConstraintAction) *field.Error {
	if !supportedScheduleActions.Has(action) {