identifier = $identifier; } /** * @return string */ public function getIdentifier() { return $this->identifier; } /** * @param string */ public function setType($type) { $this->type = $type; } /** * @return string */ public function getType() { return $this->type; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(VolumeVolumeInfoIndustryIdentifiers::class, 'Google_Service_Books_VolumeVolumeInfoIndustryIdentifiers');