}

// ValidateUpdate is the default update validation for an end user.
func (mutatingWebhookConfigurationStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
	return validation.ValidateMutatingWebhookConfigurationUpdate(obj.(*admissionregistration.MutatingWebhookConfiguration), old.(*admissionregistration.MutatingWebhookConfiguration))
}

// WarningsOnUpdate returns warnings for the given update.

		strictCostEnforcement:                   utilfeature.DefaultFeatureGate.Enabled(features.StrictCostEnforcementForWebhooks),
	})
}

// ValidateMutatingWebhookConfigurationUpdate validates update of mutating webhook configuration
func ValidateMutatingWebhookConfigurationUpdate(newC, oldC *admissionregistration.MutatingWebhookConfiguration) field.ErrorList {
	return validateMutatingWebhookConfiguration(newC, validationOptions{

				},
				}},
			}, true),
			expectedError: `undeclared reference to 'test'`,
		}}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			errs := ValidateMutatingWebhookConfigurationUpdate(test.config, test.oldconfig)
			err := errs.ToAggregate()
			if err != nil {
				if e, a := test.expectedError, err.Error(); !strings.Contains(a, e) || e == "" {