}

// ValidateTokenUsages validates token usages
func ValidateTokenUsages(usages []string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}

	// validate usages
	if err := bootstraputil.ValidateUsages(usages); err != nil {
		allErrs = append(allErrs, field.Invalid(fldPath, usages, err.Error()))
	}

	return allErrs
}

// ValidateEtcd validates the .Etcd sub-struct.