CreatedAtField example

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

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new PrimaryKey(), new Required()),
            (new StringField('hash', 'hash'))->addFlags(new Required()),
            (new FkField('user_id', 'userId', UserDefinition::class))->addFlags(new Required()),
            (new CreatedAtField())->addFlags(new Required()),

            new OneToOneAssociationField('user', 'user_id', 'id', UserDefinition::class, false),
        ]);
    }
}

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

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new FkField('user_id', 'userId', UserDefinition::class))->addFlags(new PrimaryKey(), new Required()),
            (new FkField('acl_role_id', 'aclRoleId', AclRoleDefinition::class))->addFlags(new PrimaryKey(), new Required()),
            new CreatedAtField(),
            new UpdatedAtField(),
            new ManyToOneAssociationField('user', 'user_id', UserDefinition::class),
            new ManyToOneAssociationField('aclRole', 'acl_role_id', AclRoleDefinition::class),
        ]);
    }
}

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 StringField('name', 'name'),
            new CreatedAtField(),
            new UpdatedAtField(),
        ]);
    }
}

        return '6.0.0.0';
    }

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

            (new TranslatedField('name'))->addFlags(new ApiAware(), new SearchRanking(SearchRanking::MIDDLE_SEARCH_RANKING)),
            (new StringField('technical_name', 'technicalName'))->addFlags(new ApiAware(), new Required()),
            (new CreatedAtField())->addFlags(new ApiAware()),
            (new UpdatedAtField())->addFlags(new ApiAware()),
            (new TranslatedField('customFields'))->addFlags(new ApiAware()),

            (new TranslationsAssociationField(DocumentTypeTranslationDefinition::class, 'document_type_id'))->addFlags(new ApiAware(), new Required()),
            new OneToManyAssociationField('documents', DocumentDefinition::class, 'document_type_id'),
            (new OneToManyAssociationField('documentBaseConfigs', DocumentBaseConfigDefinition::class, 'document_type_id'))->addFlags(new CascadeDelete()),
            (new OneToManyAssociationField('documentBaseConfigSalesChannels', DocumentBaseConfigSalesChannelDefinition::class, 'document_type_id'))->addFlags(new CascadeDelete()),
        ]);
    }
}

new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),

            (new FkField('document_type_id', 'documentTypeId', DocumentTypeDefinition::class))->addFlags(new ApiAware(), new Required()),
            (new FkField('logo_id', 'logoId', MediaDefinition::class))->addFlags(new ApiAware()),

            (new StringField('name', 'name'))->addFlags(new ApiAware(), new Required()),
            (new StringField('filename_prefix', 'filenamePrefix'))->addFlags(new ApiAware()),
            (new StringField('filename_suffix', 'filenameSuffix'))->addFlags(new ApiAware()),
            (new BoolField('global', 'global'))->addFlags(new ApiAware(), new Required()),
            (new NumberRangeField('document_number', 'documentNumber'))->addFlags(new ApiAware()),
            (new JsonField('config', 'config'))->addFlags(new ApiAware()),
            (new CreatedAtField())->addFlags(new ApiAware()),
            (new CustomFields())->addFlags(new ApiAware()),

            new ManyToOneAssociationField('documentType', 'document_type_id', DocumentTypeDefinition::class, 'id'),
            (new ManyToOneAssociationField('logo', 'logo_id', MediaDefinition::class, 'id'))->addFlags(new ApiAware()),
            (new OneToManyAssociationField('salesChannels', DocumentBaseConfigSalesChannelDefinition::class, 'document_base_config_id', 'id'))->addFlags(new CascadeDelete()),
        ]);
    }
}

        return '6.3.1.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new FkField('customer_group_id', 'customerGroupId', CustomerGroupDefinition::class))->addFlags(new PrimaryKey(), new Required()),
            (new FkField('sales_channel_id', 'salesChannelId', SalesChannelDefinition::class))->addFlags(new PrimaryKey(), new Required()),
            new ManyToOneAssociationField('customerGroup', 'customer_group_id', CustomerGroupDefinition::class, 'id'),
            new ManyToOneAssociationField('salesChannel', 'sales_channel_id', SalesChannelDefinition::class, 'id'),
            new CreatedAtField(),
        ]);
    }
}

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

    /** * @return list<Field> */
    protected function defaultFields(): array
    {
        return [
            (new CreatedAtField())->addFlags(new ApiAware()),
            (new UpdatedAtField())->addFlags(new ApiAware()),
        ];
    }

    abstract protected function defineFields(): FieldCollection;

    protected function defineProtections(): EntityProtectionCollection
    {
        return new EntityProtectionCollection();
    }