layerId = $layerId; } /** * @return string */ public function getLayerId() { return $this->layerId; } /** * @param string */ public function setVolumeAnnotationsVersion($volumeAnnotationsVersion) { $this->volumeAnnotationsVersion = $volumeAnnotationsVersion; } /** * @return string */ public function getVolumeAnnotationsVersion() { return $this->volumeAnnotationsVersion; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(VolumeLayerInfoLayers::class, 'Google_Service_Books_VolumeLayerInfoLayers');