/**
  * {@inheritdoc}
  */
 public function process(ContextInterface $context)
 {
     /** @var ConfigContext $context */
     /** @var array $definition */
     $definition = $context->getResult();
     if (empty($definition) || !array_key_exists(ConfigUtil::FIELDS, $definition)) {
         // virtual fields is added only if a definition of fields exists
         return;
     }
     $entityClass = $context->getClassName();
     $virtualFields = $this->virtualFieldProvider->getVirtualFields($entityClass);
     if (!empty($virtualFields)) {
         foreach ($virtualFields as $field) {
             $query = $this->virtualFieldProvider->getVirtualFieldQuery($entityClass, $field);
             $propertyPath = $this->getPropertyPath($query);
             if (!empty($propertyPath)) {
                 $definition[ConfigUtil::FIELDS][$field][ConfigUtil::PROPERTY_PATH] = $propertyPath;
                 if (!empty($query['select']['label']) && $context->hasExtra(DescriptionsConfigExtra::NAME)) {
                     $definition[ConfigUtil::FIELDS][$field][ConfigUtil::LABEL] = new Label($query['select']['label']);
                 }
             }
         }
         $context->setResult($definition);
     }
 }