allErrs = append(allErrs, ValidateLeaseSpec(&lease.Spec, field.NewPath("spec"))...)
	return allErrs
}

// ValidateLeaseUpdate validates an update of Lease object.
func ValidateLeaseUpdate(lease, oldLease *coordination.Lease) field.ErrorList {
	allErrs := validation.ValidateObjectMetaUpdate(&lease.ObjectMeta, &oldLease.ObjectMeta, field.NewPath("metadata"))

		},
		Spec: coordination.LeaseSpec{
			HolderIdentity:       &oldHolder,
			LeaseDurationSeconds: &oldLeaseDuration,
			LeaseTransitions:     &oldLeaseTransitions,
		},
	}
	errs := ValidateLeaseUpdate(lease, oldLease)
	if len(errs) != 3 {
		t.Errorf("unexpected list of errors: %#v", errs.ToAggregate().Error())
	}

	validLeaseDuration := int32(10)
	validLeaseTransitions := int32(20)

	return true
}

// ValidateUpdate is the default update validation for an end user.
func (leaseStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
	return validation.ValidateLeaseUpdate(obj.(*coordination.Lease), old.(*coordination.Lease))
}

// WarningsOnUpdate returns warnings for the given update.
func (leaseStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {