public function removeBannerImageI18n(ChildBannerImageI18n $bannerImageI18n)
    {
        if ($this->getBannerImageI18ns()->contains($bannerImageI18n)) {
            $pos = $this->collBannerImageI18ns->search($bannerImageI18n);
            $this->collBannerImageI18ns->remove($pos);