NoConstraint example

// @deprecated tag:v6.6.0 - Variable $autoload will be removed in the next major as it will be false by default         $autoload = !Feature::isActive('v6.6.0.0');

        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),

            new AutoIncrementField(),

            (new NumberRangeField('order_number', 'orderNumber'))->addFlags(new ApiAware(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING, false)),

            (new FkField('billing_address_id', 'billingAddressId', OrderAddressDefinition::class))->addFlags(new ApiAware(), new Required(), new NoConstraint()),
            (new ReferenceVersionField(OrderAddressDefinition::class, 'billing_address_version_id'))->addFlags(new ApiAware(), new Required()),

            (new FkField('currency_id', 'currencyId', CurrencyDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('language_id', 'languageId', LanguageDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('sales_channel_id', 'salesChannelId', SalesChannelDefinition::class))->addFlags(new ApiAware(), new Required()),

            (new DateTimeField('order_date_time', 'orderDateTime'))->addFlags(new ApiAware(), new Required()),
            (new DateField('order_date', 'orderDate'))->addFlags(new ApiAware(), new WriteProtected()),
            (new CartPriceField('price', 'price'))->addFlags(new ApiAware()),
            (new FloatField('amount_total', 'amountTotal'))->addFlags(new ApiAware(), new WriteProtected(), new SearchRanking(SearchRanking::MIDDLE_SEARCH_RANKING)),
            (new FloatField('amount_net', 'amountNet'))->addFlags(new ApiAware(), new WriteProtected()),
            (

        $fields = new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),
            (new ParentFkField(self::class))->addFlags(new ApiAware()),
            (new ReferenceVersionField(self::class, 'parent_version_id'))->addFlags(new ApiAware(), new Required()),

            (new FkField('product_manufacturer_id', 'manufacturerId', ProductManufacturerDefinition::class))->addFlags(new ApiAware(), new Inherited()),
            (new ReferenceVersionField(ProductManufacturerDefinition::class))->addFlags(new ApiAware(), new Inherited(), new Required()),
            (new FkField('unit_id', 'unitId', UnitDefinition::class))->addFlags(new ApiAware(), new Inherited()),
            (new FkField('tax_id', 'taxId', TaxDefinition::class))->addFlags(new ApiAware(), new Inherited(), new Required()),
            (new FkField('product_media_id', 'coverId', ProductMediaDefinition::class))->addFlags(new ApiAware(), new Inherited(), new NoConstraint()),
            (new ReferenceVersionField(ProductMediaDefinition::class))->addFlags(new ApiAware(), new Inherited(), new Required()),
            (new FkField('delivery_time_id', 'deliveryTimeId', DeliveryTimeDefinition::class))->addFlags(new ApiAware(), new Inherited()),
            (new FkField('product_feature_set_id', 'featureSetId', ProductFeatureSetDefinition::class))->addFlags(new Inherited()),
            (new FkField('canonical_product_id', 'canonicalProductId', ProductDefinition::class))->addFlags(new ApiAware(), new Inherited()),
            (new FkField('cms_page_id', 'cmsPageId', CmsPageDefinition::class))->addFlags(new ApiAware(), new Inherited()),
            (new ReferenceVersionField(CmsPageDefinition::class))->addFlags(new Inherited(), new Required(), new ApiAware()),

            (new PriceField('price', 'price'))->addFlags(new Inherited(), new Required(), new ApiCriteriaAware()),
            (new NumberRangeField('product_number', 'productNumber'))->addFlags(new ApiAware(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING, false), new Required()),
            (new IntField('restock_time', 'restockTime'))->addFlags(new ApiAware(), new Inherited()),
            new AutoIncrementField(),
            (

    protected function defineFields(): FieldCollection
    {
        $fields = new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new FkField('customer_group_id', 'groupId', CustomerGroupDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('default_payment_method_id', 'defaultPaymentMethodId', PaymentMethodDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('sales_channel_id', 'salesChannelId', SalesChannelDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('language_id', 'languageId', LanguageDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('last_payment_method_id', 'lastPaymentMethodId', PaymentMethodDefinition::class))->addFlags(new ApiAware()),
            (new FkField('default_billing_address_id', 'defaultBillingAddressId', CustomerAddressDefinition::class))->addFlags(new ApiAware(), new Required(), new NoConstraint()),
            (new FkField('default_shipping_address_id', 'defaultShippingAddressId', CustomerAddressDefinition::class))->addFlags(new ApiAware(), new Required(), new NoConstraint()),
            new AutoIncrementField(),
            (new NumberRangeField('customer_number', 'customerNumber', 255))->addFlags(new ApiAware(), new Required(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING)),
            (new FkField('salutation_id', 'salutationId', SalutationDefinition::class))->addFlags(new ApiAware()),
            (new StringField('first_name', 'firstName'))->addFlags(new ApiAware(), new Required(), new SearchRanking(SearchRanking::MIDDLE_SEARCH_RANKING)),
            (new StringField('last_name', 'lastName'))->addFlags(new ApiAware(), new Required(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING)),
            (new StringField('company', 'company'))->addFlags(new ApiAware(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING)),
            (new PasswordField('password', 'password', \PASSWORD_DEFAULT, [], PasswordField::FOR_CUSTOMER))->removeFlag(ApiAware::class),
            (new EmailField('email', 'email'))->addFlags(new ApiAware(), new Required(), new SearchRanking(SearchRanking::MIDDLE_SEARCH_RANKING, false)),
            (new StringField('title', 'title'))->addFlags(new ApiAware()),
            (new ListField('vat_ids', 'vatIds', StringField::class))->addFlags(new ApiAware()),
            (