/** * {@inheritdoc} */ protected function finalizeValue($value) { if (!$this->allowEmptyValue && $this->isValueEmpty($value)) { $ex = new InvalidConfigurationException(sprintf('The path "%s" cannot contain an empty value, but got %s.', $this->getPath(), json_encode($value))); if ($hint = $this->getInfo()) { $ex->addHint($hint); } $ex->setPath($this->getPath()); throw $ex; } return $value; }