/**
  * {@inheritdoc}
  */
 protected function getExtensions()
 {
     $productSelectType = new EntityType([1 => $this->getEntity('OroB2B\\Bundle\\ProductBundle\\Entity\\Product', 1, 'id'), 2 => $this->getEntity('OroB2B\\Bundle\\ProductBundle\\Entity\\Product', 2, 'id')], ProductPriceListAwareSelectType::NAME);
     return array_merge(parent::getExtensions(), [new PreloadedExtension([$productSelectType->getName() => $productSelectType], [])]);
 }