src/TwbBundle/Form/View/Helper/TwbBundleFormElement.php
public function setTranslator(TranslatorInterface $oTranslator = null, $sTextDomain = null)
    {
        $this->translator = $oTranslator;
        if (null !== $sTextDomain) {
            $this->setTranslatorTextDomain($sTextDomain);
        }
        return $this;
    }
public function setTranslator(TranslatorInterface $oTranslator = null, $sTextDomain = null)
    {
        $this->translator = $oTranslator;
        if (null !== $sTextDomain) {
            $this->setTranslatorTextDomain($sTextDomain);
        }
        return $this;
    }
Sets translator to use in helper
@see TranslatorAwareInterface::setTranslator()
@param TranslatorInterface $oTranslator : [optional] translator. Default is null, which sets no translator.
@param string $sTextDomain : [optional] text domain Default is null, which skips setTranslatorTextDomain
@return TwbBundleFormElement