|null */ public function loadStatementsFromCache($file_path, $file_modified_time, $file_content_hash, $file_cache_key) { return null; } /** * @param string $file_cache_key * @param string $file_content_hash * @param array $stmts * @param bool $touch_only * * @return void */ public function saveStatementsToCache($file_cache_key, $file_content_hash, array $stmts, $touch_only) { } }