VersionField example

    public function since(): ?string
    {
        return '6.3.3.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            new VersionField(),

            (new ParentFkField(self::class))->addFlags(new ApiAware()),
            (new ReferenceVersionField(self::class, 'parent_version_id'))->addFlags(new ApiAware(), new Required()),

            (new TreeLevelField('test_level', 'testLevel'))->addFlags(new ApiAware()),
            (new TreePathField('test_path', 'testPath'))->addFlags(new ApiAware()),
        ]);
    }
}

/** * @internal */

new JsonField('visibility', 'visibility', [
                new BoolField('mobile', 'mobile'),
                new BoolField('desktop', 'desktop'),
                new BoolField('tablet', 'tablet'),
            ]))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('page', 'cms_page_id', CmsPageDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('backgroundMedia', 'background_media_id', MediaDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('blocks', CmsBlockDefinition::class, 'cms_section_id'))->addFlags(new ApiAware(), new CascadeDelete()),
            (new CustomFields())->addFlags(new ApiAware()),
        ]);

        $collection->add(new VersionField());
        $collection->add((new ReferenceVersionField(CmsPageDefinition::class))->addFlags(new Required(), new ApiAware()));

        return $collection;
    }
}

    protected function getParentDefinitionClass(): ?string
    {
        return OrderDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),
            new FkField('customer_id', 'customerId', CustomerDefinition::class),

            (new FkField('order_id', 'orderId', OrderDefinition::class))->addFlags(new Required()),
            (new ReferenceVersionField(OrderDefinition::class))->addFlags(new Required()),

            (new StringField('email', 'email'))->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::LOW_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::MIDDLE_SEARCH_RANKING)),
            (new StringField('title', 'title'))->addFlags(new ApiAware()),
            (

    public function since(): ?string
    {
        return '6.0.0.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey()),
            (new VersionField())->addFlags(new ApiAware()),
            (new FkField('delete_cascade_many_to_one_id', 'deleteCascadeManyToOneId', DeleteCascadeManyToOneDefinition::class))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('manyToOne', 'delete_cascade_many_to_one_id', DeleteCascadeManyToOneDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new StringField('name', 'name'))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('cascades', DeleteCascadeChildDefinition::class, 'delete_cascade_parent_id'))->addFlags(new ApiAware(), new CascadeDelete()),
        ]);
    }
}

/** * @internal */

class VersionManagerTestDefinition extends EntityDefinition
{
    public function getEntityName(): string
    {
        return 'product';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            new VersionField(),
        ]);
    }
}

        return OrderDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        // @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 FkField('order_id', 'orderId', OrderDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new ReferenceVersionField(OrderDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('payment_method_id', 'paymentMethodId', PaymentMethodDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new CalculatedPriceField('amount', 'amount'))->addFlags(new ApiAware(), new Required()),

            (new StateMachineStateField('state_id', 'stateId', OrderTransactionStates::STATE_MACHINE))->addFlags(new ApiAware(), new Required()),
            (new ManyToOneAssociationField('stateMachineState', 'state_id', StateMachineStateDefinition::class, 'id', $autoload))->addFlags(new ApiAware()),
            (new CustomFields())->addFlags(new ApiAware()),
            new ManyToOneAssociationField('order', 'order_id', OrderDefinition::class, 'id', false),
            (new ManyToOneAssociationField('paymentMethod', 'payment_method_id', PaymentMethodDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('captures', OrderTransactionCaptureDefinition::class, 'order_transaction_id'))->addFlags(new ApiAware(), new CascadeDelete()),
        ]);

    protected function getParentDefinitionClass(): ?string
    {
        return ProductDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),

            (new FkField('product_id', 'productId', ProductDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new ReferenceVersionField(ProductDefinition::class))->addFlags(new ApiAware(), new Required()),

            (new FkField('media_id', 'mediaId', MediaDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new IntField('position', 'position'))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('product', 'product_id', ProductDefinition::class, 'id', false))->addFlags(new ReverseInherited('media')),
            (new ManyToOneAssociationField('media', 'media_id', MediaDefinition::class, 'id', true))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('coverProducts', ProductDefinition::class, 'product_media_id'))->addFlags(new SetNullOnDelete(false)),
            (new CustomFields())->addFlags(new ApiAware()),
        ]);
    }

    protected function getParentDefinitionClass(): ?string
    {
        return OrderLineItemDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),

            (new FkField('order_line_item_id', 'orderLineItemId', OrderLineItemDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new ReferenceVersionField(OrderLineItemDefinition::class))->addFlags(new ApiAware(), new Required()),

            (new FkField('media_id', 'mediaId', MediaDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new IntField('position', 'position'))->addFlags(new ApiAware(), new Required()),
            (new BoolField('access_granted', 'accessGranted'))->addFlags(new ApiAware(), new Required()),

            (new ManyToOneAssociationField('orderLineItem', 'order_line_item_id', OrderLineItemDefinition::class, 'id'))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('media', 'media_id', MediaDefinition::class, 'id'))->addFlags(new ApiAware()),
            (new CustomFields())->addFlags(new ApiAware()),
        ]);

    public function getHydratorClass(): string
    {
        return ProductManufacturerHydrator::class;
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),
            (new FkField('media_id', 'mediaId', MediaDefinition::class))->addFlags(new ApiAware()),
            (new StringField('link', 'link'))->addFlags(new ApiAware()),
            (new TranslatedField('name'))->addFlags(new ApiAware(), new SearchRanking(SearchRanking::HIGH_SEARCH_RANKING)),
            (new TranslatedField('description'))->addFlags(new ApiAware()),
            (new TranslatedField('customFields'))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('media', 'media_id', MediaDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('products', ProductDefinition::class, 'product_manufacturer_id', 'id'))->addFlags(new SetNullOnDelete(), new ReverseInherited('manufacturer')),
            (new TranslationsAssociationField(ProductManufacturerTranslationDefinition::class, 'product_manufacturer_id'))->addFlags(new ApiAware(), new Required()),
        ]);
    }
}

    public function since(): ?string
    {
        return '6.0.0.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey()),
            (new VersionField())->addFlags(new ApiAware()),
            (new FkField('set_null_on_delete_many_to_one_id', 'setNullOnDeleteManyToOneId', SetNullOnDeleteManyToOneDefinition::class))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('manyToOne', 'set_null_on_delete_many_to_one_id', SetNullOnDeleteManyToOneDefinition::class, 'id', false))->addFlags(new ApiAware()),
            (new StringField('name', 'name'))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('setNulls', SetNullOnDeleteChildDefinition::class, 'set_null_on_delete_parent_id'))->addFlags(new ApiAware(), new SetNullOnDelete()),
        ]);
    }
}

/** * @internal */

    public function since(): ?string
    {
        return '6.0.0.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new Required(), new PrimaryKey()),
            new VersionField(),

            (new DateTimeField('my_date', 'myDate'))->addFlags(new Inherited()),

            (new ReferenceVersionField(ProductDefinition::class))->addFlags(new Required()),
            (new FkField('product_id', 'productId', ProductDefinition::class))->addFlags(new Required()),
            (new OneToOneAssociationField('product', 'product_id', 'id', ProductDefinition::class, false))->addFlags(new ReverseInherited('oneToOneInherited')),
        ]);
    }
}

new BoolField('tablet', 'tablet'),
            ]))->addFlags(new ApiAware()),

            (new FkField('cms_section_id', 'sectionId', CmsSectionDefinition::class))->addFlags(new ApiAware(), new Required()),
            new ManyToOneAssociationField('section', 'cms_section_id', CmsSectionDefinition::class, 'id', false),
            (new ManyToOneAssociationField('backgroundMedia', 'background_media_id', MediaDefinition::class, 'id', false))->addFlags(new ApiAware()),

            (new OneToManyAssociationField('slots', CmsSlotDefinition::class, 'cms_block_id'))->addFlags(new ApiAware(), new CascadeDelete()),
            (new CustomFields())->addFlags(new ApiAware()),
        ]);

        $collection->add((new VersionField())->addFlags(new ApiAware()));
        $collection->add((new ReferenceVersionField(CmsSectionDefinition::class))->addFlags(new Required(), new ApiAware()));

        return $collection;
    }
}

    public function getHydratorClass(): string
    {
        return CategoryHydrator::class;
    }

    protected function defineFields(): FieldCollection
    {
        return 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('after_category_id', 'afterCategoryId', self::class))->addFlags(new ApiAware()),
            (new ReferenceVersionField(self::class, 'after_category_version_id'))->addFlags(new ApiAware(), new Required()),

            (new FkField('media_id', 'mediaId', MediaDefinition::class))->addFlags(new ApiAware()),

            (new BoolField('display_nested_products', 'displayNestedProducts'))->addFlags(new ApiAware(), new Required()),
            new AutoIncrementField(),

            (

        return OrderTransactionCaptureDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        // @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 FkField('capture_id', 'captureId', OrderTransactionCaptureDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new ReferenceVersionField(OrderTransactionCaptureDefinition::class, 'capture_version_id'))->addFlags(new ApiAware(), new Required()),
            (new StateMachineStateField('state_id', 'stateId', OrderTransactionCaptureRefundStates::STATE_MACHINE))->addFlags(new ApiAware(), new Required()),
            (new ManyToOneAssociationField('stateMachineState', 'state_id', StateMachineStateDefinition::class, 'id', $autoload))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('transactionCapture', 'capture_id', OrderTransactionCaptureDefinition::class, 'id'))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('positions', OrderTransactionCaptureRefundPositionDefinition::class, 'refund_id'))->addFlags(new ApiAware(), new CascadeDelete()),

            (new StringField('external_reference', 'externalReference'))->addFlags(new ApiAware()),
            (new StringField('reason', 'reason'))->addFlags(new ApiAware()),
            (new CalculatedPriceField('amount', 'amount'))->addFlags(new ApiAware(), new Required()),
            (new CustomFields())->addFlags(new ApiAware()),
        ]);

    protected function getParentDefinitionClass(): ?string
    {
        return OrderDefinition::class;
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new VersionField())->addFlags(new ApiAware()),

            (new FkField('order_id', 'orderId', OrderDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new ReferenceVersionField(OrderDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('product_id', 'productId', ProductDefinition::class))->addFlags(new ApiAware()),
            (new ReferenceVersionField(ProductDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('promotion_id', 'promotionId', PromotionDefinition::class))->addFlags(new WriteProtected(Context::SYSTEM_SCOPE)),
            (new ParentFkField(self::class))->addFlags(new ApiAware()),
            (new ReferenceVersionField(self::class, 'parent_version_id'))->addFlags(new ApiAware(), new Required()),
            (new FkField('cover_id', 'coverId', MediaDefinition::class))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('cover', 'cover_id', MediaDefinition::class, 'id', false))->addFlags(new ApiAware()),

            (