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