/**
  * Check if the tables provided are configured for usage.
  * This becomes neccessary for extensions that provide additional database
  * functionality like indexed_search_mysql.
  *
  * @param string $table_list Comma-separated list of tables
  * @return boolean TRUE if given tables are enabled
  */
 protected function isTableUsed($table_list)
 {
     return \TYPO3\CMS\IndexedSearch\Indexer::isTableUsed($table_list);
 }