protected function doGetStats()
{
$info = wincache_ucache_info();
$meminfo = wincache_ucache_meminfo();
return [Cache::STATS_HITS => $info['total_hit_count'], Cache::STATS_MISSES => $info['total_miss_count'], Cache::STATS_UPTIME => $info['total_cache_uptime'], Cache::STATS_MEMORY_USAGE => $meminfo['memory_total'], Cache::STATS_MEMORY_AVAILABLE => $meminfo['memory_free']];
}