Inheritance: extends AuthBucket\Bundle\OAuth2Bundle\Entity\RefreshToken
 public function load(ObjectManager $manager)
 {
     $model = new RefreshToken();
     $model->setRefreshToken('5ff43cbc27b54202c6fd8bb9c2a308ce')->setClientId('http://democlient1.com/')->setUsername('demousername1')->setExpires(new \DateTime('-1 days'))->setScope(['demoscope1']);
     $manager->persist($model);
     $model = new RefreshToken();
     $model->setRefreshToken('302a7e7af27a25a6c052302d0dcac2c0')->setClientId('http://democlient2.com/')->setUsername('demousername2')->setExpires(new \DateTime('+1 days'))->setScope(['unsupportedscope', 'demoscope4']);
     $manager->persist($model);
     $model = new RefreshToken();
     $model->setRefreshToken('288b5ea8e75d2b24368a79ed5ed9593b')->setClientId('http://democlient3.com/')->setUsername('demousername3')->setExpires(new \DateTime('+1 days'))->setScope(['demoscope1', 'demoscope2', 'demoscope3']);
     $manager->persist($model);
     $manager->flush();
 }