api/api.go
func (api *Api) Stat(send helper.StatCallback) {
	helper.SendAndSubstractUint32("cacheRequests", &api.stat.cacheRequests, send)
	helper.SendAndSubstractUint32("cacheRequestMetrics", &api.stat.cacheRequestMetrics, send)
	helper.SendAndSubstractUint32("cacheResponseMetrics", &api.stat.cacheResponseMetrics, send)
	helper.SendAndSubstractUint32("cacheResponsePoints", &api.stat.cacheResponsePoints, send)
}
func (api *Api) Stat(send helper.StatCallback) {
	helper.SendAndSubstractUint32("cacheRequests", &api.stat.cacheRequests, send)
	helper.SendAndSubstractUint32("cacheRequestMetrics", &api.stat.cacheRequestMetrics, send)
	helper.SendAndSubstractUint32("cacheResponseMetrics", &api.stat.cacheResponseMetrics, send)
	helper.SendAndSubstractUint32("cacheResponsePoints", &api.stat.cacheResponsePoints, send)
}
// Collect cache metrics