WP_Background_Process::complete PHP Method

        protected function complete()
        {
            // Unschedule the cron healthcheck.
            $this->clear_scheduled_event();
        }

 protected function complete()
 {
     update_option('ilab_s3_import_status', false);
     delete_option('ilab_s3_import_total_count');
     delete_option('ilab_s3_import_current');
     parent::complete();
 }