connection = $connection; } /** * @return string */ public function getConnection() { return $this->connection; } /** * @param string */ public function setExternalSource($externalSource) { $this->externalSource = $externalSource; } /** * @return string */ public function getExternalSource() { return $this->externalSource; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(ExternalDatasetReference::class, 'Google_Service_Bigquery_ExternalDatasetReference');