optimizerStatisticsPackage = $optimizerStatisticsPackage; } public function getOptimizerStatisticsPackage() { return $this->optimizerStatisticsPackage; } public function setOptimizerVersion($optimizerVersion) { $this->optimizerVersion = $optimizerVersion; } public function getOptimizerVersion() { return $this->optimizerVersion; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(QueryOptions::class, 'Google_Service_Spanner_QueryOptions');