<?php namespace SilverStripe\ORM\Tests\DataExtensionTest; use SilverStripe\Dev\TestOnly; use SilverStripe\ORM\DataExtension; use SilverStripe\ORM\Tests\DataExtensionTest\RelatedObject; class Faves extends DataExtension implements TestOnly { private static $many_many = [ 'Faves' => RelatedObject::class ]; }