code: private function createCheckerServiceConfiguration(array $config, $id, array $section)
      {
          $config['checkers'] = array_merge(
              array_key_exists('checkers', $config) ? $config['checkers'] : [],
              [$id => [
                  'is_public' => $section['is_public'],
                  'claims'    => $section['claim_checkers'],
                  'headers'   => $section['header_checkers'],
              ]]
          );
  
          return $config;
      }
docs: @param array  $config
  @param string $id
  @param array  $section
  
  @return array