/**
  * @param ContainerContext $containerContext
  */
 private function guessFields(ContainerContext $containerContext)
 {
     foreach ($containerContext->getContainer()->getFields() as $field) {
         $fieldContext = $containerContext->createFieldContext($field);
         $this->guessFieldType($fieldContext);
         $this->guessFieldResolveConfig($fieldContext);
     }
 }