docs: protected void cleanUp() {
          int prevNodeCount = ghStorage.getNodes();
          PrepareRoutingSubnetworks preparation = new PrepareRoutingSubnetworks(ghStorage, encodingManager.fetchEdgeEncoders());
          preparation.setMinNetworkSize(minNetworkSize);
          preparation.setMinOneWayNetworkSize(minOneWayNetworkSize);
          preparation.doWork();
          int currNodeCount = ghStorage.getNodes();
          logger.info("edges: " + Helper.nf(ghStorage.getAllEdges().length()) + ", nodes " + Helper.nf(currNodeCount)
                  + ", there were " + Helper.nf(preparation.getMaxSubnetworks())
                  + " subnetworks. removed them => " + Helper.nf(prevNodeCount - currNodeCount)
                  + " less nodes");
      }