/**
* @param FamilyInterface $family
* @param array $requirements
* @param array $oldRequirements
*/
protected function removeRequirements(FamilyInterface $family, array $requirements, array $oldRequirements)
{
$checkRequirements = new ArrayCollection($requirements);
foreach ($oldRequirements as $requirement) {
if (!$checkRequirements->contains($requirement)) {
$family->removeAttributeRequirement($requirement);
}
}
}