code: public function render(ElementInterface $element)
  	{
  		$label = $element->getLabel();
  
  		if (isset($label) && '' !== $label) {
  			// Translate the label
  			if (null !== ($translator = $this->getTranslator())) {
  				$label = $translator->translate(
  					$label, $this->getTranslatorTextDomain()
  				);
  				$element->setLabel($label);
  			}
  		}
  		
  		return parent::render($element);
  	}
docs: This annoying hack is necessary in order to support translation of form element labels
  - The person who made the CoreBootstrap module didn't think about this
  
  @param ElementInterface $element
  @return string