Kdyby\Translation\FallbackResolver::setFallbackLocales PHP Method

    public function setFallbackLocales($fallbackLocales)
    {
        $this->fallbackLocales = (array) $fallbackLocales;
    }

 /**
  * {@inheritdoc}
  */
 public function setFallbackLocales(array $locales)
 {
     parent::setFallbackLocales($locales);
     $this->fallbackResolver->setFallbackLocales($locales);
 }