docs: public void recordConnectionEstablishmentTimeUs(SocketDestination dest, long connEstTimeUs) {
          if(dest != null) {
              getOrCreateNodeStats(dest).recordConnectionEstablishmentTimeUs(null, connEstTimeUs);
              recordConnectionEstablishmentTimeUs(null, connEstTimeUs);
          } else {
              this.connectionEstablishmentRequestCounter.addRequest(connEstTimeUs * Time.NS_PER_US);
          }
      }