docs: public void recordAsyncOpTimeNs(SocketDestination dest, long opTimeNs) {
          if(dest != null) {
              getOrCreateNodeStats(dest).recordAsyncOpTimeNs(null, opTimeNs);
              recordAsyncOpTimeNs(null, opTimeNs);
          } else {
              this.asynOpTimeRequestCounter.addRequest(opTimeNs);
          }
      }