protected function guardAgainstNonTranslatableAttribute($key)
    {
        if ( ! $this->isTranslatableAttribute($key)) {
            throw UntranslatableAttributeException::make($key, $this->getTranslatableAttributes());
        }
    }
protected function guardAgainstNonTranslatableAttribute($key)
    {
        if ( ! $this->isTranslatableAttribute($key)) {
            throw UntranslatableAttributeException::make($key, $this->getTranslatableAttributes());
        }
    }
protected function guardAgainstNonTranslatableAttribute ( $ key ) { if ( ! $ this -> isTranslatableAttribute ( $ key ) ) { throw UntranslatableAttributeException :: make ( $ key , $ this -> getTranslatableAttributes ( ) ) ; } }
Guard against untranslatable attribute.

@param  string  $key
Guard against untranslatable attribute .