TreeLevelField example

    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 */
class TestTreeDefinitionWithoutVersion extends EntityDefinition
{
    final public const ENTITY_NAME = 'test_tree_without_version';

    

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(),

            (new TranslatedField('breadcrumb'))->addFlags(new ApiAware(), new WriteProtected()),
            (new TreeLevelField('level', 'level'))->addFlags(new ApiAware()),
            (new TreePathField('path', 'path'))->addFlags(new ApiAware()),
            (new ChildCountField())->addFlags(new ApiAware()),

            (new StringField('type', 'type'))->addFlags(new ApiAware(), new Required()),
            (new StringField('product_assignment_type', 'productAssignmentType'))->addFlags(new ApiAware(), new Required()),
            (new BoolField('visible', 'visible'))->addFlags(new ApiAware()),
            (new BoolField('active', 'active'))->addFlags(new ApiAware()),

            (new BoolField('cmsPageIdSwitched', 'cmsPageIdSwitched'))->addFlags(new Runtime(), new ApiAware()),
            (new IntField('visibleChildCount', 'visibleChildCount'))->addFlags(new Runtime(), new ApiAware()),

            (